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root/public/ibx/trunk/runtime/IBCustomDataSet.pas
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Comparing ibx/trunk/runtime/IBCustomDataSet.pas (file contents):
Revision 7 by tony, Sun Aug 5 18:28:19 2012 UTC vs.
Revision 107 by tony, Thu Jan 18 14:37:40 2018 UTC

# Line 27 | Line 27
27   {    IBX For Lazarus (Firebird Express)                                  }
28   {    Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk }
29   {    Portions created by MWA Software are copyright McCallum Whyman      }
30 < {    Associates Ltd 2011                                                 }
30 > {    Associates Ltd 2011 - 2015                                          }
31   {                                                                        }
32   {************************************************************************}
33  
34   unit IBCustomDataSet;
35  
36 + {$R-}
37 +
38 + {$IFDEF FPC}
39   {$Mode Delphi}
40 + {$codepage UTF8}
41 + {$ENDIF}
42  
43   {$IFDEF DELPHI}
44   {$DEFINE TDBDFIELD_IS_BCD}
# Line 47 | Line 52 | uses
52   {$ELSE}
53    unix,
54   {$ENDIF}
55 <  SysUtils, Classes, Forms, Controls, IBDatabase,
56 <  IBExternals, IB, IBHeader,  IBSQL, Db,
52 <  IBUtils, IBBlob;
55 >  SysUtils, Classes, IBDatabase, IBExternals, IB,  IBSQL, Db,
56 >  IBUtils, IBBlob, IBSQLParser, IBDatabaseInfo;
57  
58   const
59    BufferCacheSize    =  1000;  { Allocate cache in this many record chunks}
# Line 70 | Line 74 | type
74      procedure SetDataSet(ADataSet: TIBCustomDataSet); virtual; abstract;
75      procedure Apply(UpdateKind: TUpdateKind; buff: PChar); virtual; abstract;
76      function GetSQL(UpdateKind: TUpdateKind): TStrings; virtual; abstract;
77 <    procedure InternalSetParams(Query: TIBSQL; buff: PChar);
77 >    procedure InternalSetParams(Params: ISQLParams; buff: PChar); overload;
78 >    procedure InternalSetParams(Query: TIBSQL; buff: PChar); overload;
79 >    procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar);
80      property DataSet: TIBCustomDataSet read GetDataSet write SetDataSet;
81    public
82      constructor Create(AOwner: TComponent); override;
# Line 81 | Line 87 | type
87  
88    TBlobDataArray = array[0..0] of TIBBlobStream;
89    PBlobDataArray = ^TBlobDataArray;
90 +  TIBArrayField = class;
91  
92 <  { TIBCustomDataSet }
93 <  TFieldData = record
94 <    fdDataType: Short;
95 <    fdDataScale: Short;
96 <    fdNullable: Boolean;
97 <    fdIsNull: Boolean;
98 <    fdDataSize: Short;
99 <    fdDataLength: Short;
100 <    fdDataOfs: Integer;
92 >  { TIBArray }
93 >
94 >  {Wrapper class to support array cache in TIBCustomDataset and event handling}
95 >
96 >  TIBArray = class
97 >  private
98 >    FArray: IArray;
99 >    FRecNo: integer;
100 >    FField: TIBArrayField;
101 >    procedure EventHandler(Sender: IArray; Reason: TArrayEventReason);
102 >  public
103 >    constructor Create(aField: TIBArrayField; anArray: IArray);
104 >    destructor Destroy; override;
105 >    property ArrayIntf: IArray read FArray;
106    end;
107 <  PFieldData = ^TFieldData;
107 >
108 >  TArrayDataArray = array [0..0] of TIBArray;
109 >  PArrayDataArray = ^TArrayDataArray;
110 >
111 >  { TIBCustomDataSet }
112  
113    TCachedUpdateStatus = (
114                           cusUnmodified, cusModified, cusInserted,
# Line 103 | Line 119 | type
119    end;
120    PIBDBKey = ^TIBDBKey;
121  
122 +  PFieldData = ^TFieldData;
123 +  TFieldData = record
124 +   fdIsNull: Boolean;
125 +   fdDataLength: Short;
126 + end;
127 +
128 + PColumnData = ^TColumnData;
129 + TColumnData = record
130 +  fdDataType: Short;
131 +  fdDataScale: Short;
132 +  fdNullable: Boolean;
133 +  fdDataSize: Short;
134 +  fdDataOfs: Integer;
135 +  fdCodePage: TSystemCodePage;
136 + end;
137 +
138 + PFieldColumns = ^TFieldColumns;
139 + TFieldColumns =  array[1..1] of TColumnData;
140 +
141    TRecordData = record
142      rdBookmarkFlag: TBookmarkFlag;
143      rdFieldCount: Short;
# Line 115 | Line 150 | type
150    end;
151    PRecordData = ^TRecordData;
152  
153 +  { TIBArrayField }
154 +
155 +  TIBArrayField = class(TField)
156 +  private
157 +    FArrayBounds: TArrayBounds;
158 +    FArrayDimensions: integer;
159 +    FRelationName: string;
160 +    FCacheOffset: word;
161 +    function GetArrayID: TISC_QUAD;
162 +    function GetArrayIntf: IArray;
163 +    procedure SetArrayIntf(AValue: IArray);
164 +  protected
165 +    class procedure CheckTypeSize(AValue: Longint); override;
166 +    function GetAsString: string; override;
167 +    function GetDataSize: Integer; override;
168 +    procedure Bind(Binding: Boolean); override;
169 +  public
170 +    constructor Create(AOwner: TComponent); override;
171 +    function CreateArray: IArray;
172 +    property ArrayID: TISC_QUAD read GetArrayID;
173 +    property ArrayIntf: IArray read GetArrayIntf write SetArrayIntf;
174 +    property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions;
175 +    property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds;
176 +  end;
177 +
178    { TIBStringField allows us to have strings longer than 8196 }
179  
180    TIBStringField = class(TStringField)
181 +  private
182 +    FCharacterSetName: RawByteString;
183 +    FCharacterSetSize: integer;
184 +    FAutoFieldSize: boolean;
185 +    FCodePage: TSystemCodePage;
186 +    FDataSize: integer;
187 +  protected
188 +    procedure Bind(Binding: Boolean); override;
189 +    function GetDataSize: Integer; override;
190    public
191 <    constructor create(AOwner: TComponent); override;
191 >    constructor Create(aOwner: TComponent); override;
192      class procedure CheckTypeSize(Value: Integer); override;
193      function GetAsString: string; override;
194      function GetAsVariant: Variant; override;
195      function GetValue(var Value: string): Boolean;
196      procedure SetAsString(const Value: string); override;
197 +    property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
198 +    property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
199 +    property CodePage: TSystemCodePage read FCodePage write FCodePage;
200 +  published
201 +    property AutoFieldSize: boolean read FAutoFieldSize write FAutoFieldSize default true;
202    end;
203  
204    { TIBBCDField }
# Line 135 | Line 209 | type
209       Note: y > 4 will default to Floats
210    }
211    TIBBCDField = class(TBCDField)
212 +  private
213 +    FIdentityColumn: boolean;
214    protected
215 +    procedure Bind(Binding: Boolean); override;
216      class procedure CheckTypeSize(Value: Integer); override;
217      function GetAsCurrency: Currency; override;
218      function GetAsString: string; override;
# Line 143 | Line 220 | type
220      function GetDataSize: Integer; override;
221    public
222      constructor Create(AOwner: TComponent); override;
223 +    property IdentityColumn: boolean read FIdentityColumn;
224    published
225      property Size default 8;
226    end;
227  
228 +  {The following integer field types extend the built in versions to enable IBX appplications
229 +   to check for an Identity column}
230 +
231 +  { TIBSmallintField }
232 +
233 +  TIBSmallintField = class(TSmallintField)
234 +  private
235 +    FIdentityColumn: boolean;
236 +  protected
237 +    procedure Bind(Binding: Boolean); override;
238 +  public
239 +    property IdentityColumn: boolean read FIdentityColumn;
240 +  end;
241 +
242 +  { TIBIntegerField }
243 +
244 +  TIBIntegerField = class(TIntegerField)
245 +  private
246 +    FIdentityColumn: boolean;
247 +  protected
248 +    procedure Bind(Binding: Boolean); override;
249 +  public
250 +    property IdentityColumn: boolean read FIdentityColumn;
251 +  end;
252 +
253 +  { TIBLargeIntField }
254 +
255 +  TIBLargeIntField = class(TLargeIntField)
256 +  private
257 +    FIdentityColumn: boolean;
258 +  protected
259 +    procedure Bind(Binding: Boolean); override;
260 +  public
261 +    property IdentityColumn: boolean read FIdentityColumn;
262 +  end;
263 +
264 +  {TIBMemoField}
265 +  {Allows us to show truncated text in DBGrids and anything else that uses
266 +   DisplayText}
267 +
268 +   TIBMemoField = class(TMemoField)
269 +   private
270 +     FCharacterSetName: RawByteString;
271 +     FCharacterSetSize: integer;
272 +     FDisplayTextAsClassName: boolean;
273 +     function GetTruncatedText: string;
274 +   protected
275 +     procedure Bind(Binding: Boolean); override;
276 +     function GetAsString: string; override;
277 +     function GetDefaultWidth: Longint; override;
278 +     procedure GetText(var AText: string; ADisplayText: Boolean); override;
279 +     procedure SetAsString(const AValue: string); override;
280 +   public
281 +     constructor Create(AOwner: TComponent); override;
282 +     property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
283 +     property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
284 +   published
285 +     property DisplayTextAsClassName: boolean read FDisplayTextAsClassName
286 +                                            write FDisplayTextAsClassName;
287 +   private
288 +     FCodePage: TSystemCodePage;
289 +     FFCodePage: TSystemCodePage;
290 +   public
291 +     property CodePage: TSystemCodePage read FFCodePage write FFCodePage;
292 +   end;
293 +
294    TIBDataLink = class(TDetailDataLink)
295    private
296      FDataSet: TIBCustomDataSet;
# Line 171 | Line 315 | type
315      FFieldName: string;
316      FGeneratorName: string;
317      FIncrement: integer;
318 +    FQuery: TIBSQL;
319 +    function GetDatabase: TIBDatabase;
320 +    function GetTransaction: TIBTransaction;
321 +    procedure SetDatabase(AValue: TIBDatabase);
322 +    procedure SetGeneratorName(AValue: string);
323      procedure SetIncrement(const AValue: integer);
324 +    procedure SetTransaction(AValue: TIBTransaction);
325 +    procedure SetQuerySQL;
326    protected
327 <    function GetNextValue(ADatabase: TIBDatabase; ATransaction: TIBTransaction): integer;
327 >    function GetNextValue: integer;
328    public
329      constructor Create(Owner: TIBCustomDataSet);
330 +    destructor Destroy; override;
331      procedure Apply;
332      property Owner: TIBCustomDataSet read FOwner;
333 +    property Database: TIBDatabase read GetDatabase write SetDatabase;
334 +    property Transaction: TIBTransaction read GetTransaction write SetTransaction;
335    published
336 <    property Generator: string read FGeneratorName write FGeneratorName;
336 >    property Generator: string read FGeneratorName write SetGeneratorName;
337      property Field: string read FFieldName write FFieldName;
338      property Increment: integer read FIncrement write SetIncrement default 1;
339      property ApplyOnEvent: TIBGeneratorApplyOnEvent read FApplyOnEvent write FApplyOnEvent;
340    end;
341  
342 +  {TIBControlLink - Allows IB Aware controls to react to dataset state changes}
343 +
344 +  TIBControlLink = class
345 +  private
346 +    FTIBDataSet: TIBCustomDataSet;
347 +    procedure SetIBDataSet(AValue: TIBCustomDataSet);
348 +  protected
349 +    procedure UpdateSQL(Sender: TObject); virtual;
350 +    procedure UpdateParams(Sender: TObject); virtual;
351 +  public
352 +    destructor Destroy; override;
353 +    property IBDataSet: TIBCustomDataSet read FTIBDataSet write SetIBDataSet;
354 +  end;
355 +
356 +  TIBAutoCommit = (acDisabled, acCommitRetaining);
357 +
358    { TIBCustomDataSet }
359 +
360    TIBUpdateAction = (uaFail, uaAbort, uaSkip, uaRetry, uaApply, uaApplied);
361  
362    TIBUpdateErrorEvent = procedure(DataSet: TDataSet; E: EDatabaseError;
363 <                                 UpdateKind: TUpdateKind; var UpdateAction: TIBUpdateAction)
363 >                                 UpdateKind: TUpdateKind; var TheUpdateAction: TIBUpdateAction)
364                                   of object;
365    TIBUpdateRecordEvent = procedure(DataSet: TDataSet; UpdateKind: TUpdateKind;
366                                     var UpdateAction: TIBUpdateAction) of object;
367  
368    TIBUpdateRecordTypes = set of TCachedUpdateStatus;
369  
370 +  TDataSetCloseAction = (dcDiscardChanges, dcSaveChanges);
371 +
372 +  TOnValidatePost = procedure (Sender: TObject; var CancelPost: boolean) of object;
373 +
374    TIBCustomDataSet = class(TDataset)
375    private
376 +    FAllowAutoActivateTransaction: Boolean;
377 +    FArrayFieldCount: integer;
378 +    FArrayCacheOffset: integer;
379 +    FAutoCommit: TIBAutoCommit;
380 +    FGenerateParamNames: Boolean;
381      FGeneratorField: TIBGenerator;
382      FNeedsRefresh: Boolean;
383      FForcedRefresh: Boolean;
384      FDidActivate: Boolean;
205    FIBLoaded: Boolean;
385      FBase: TIBBase;
386      FBlobCacheOffset: Integer;
387      FBlobStreamList: TList;
388 +    FArrayList: TList;
389      FBufferChunks: Integer;
390      FBufferCache,
391      FOldBufferCache: PChar;
# Line 223 | Line 403 | type
403      FDeletedRecords: Long;
404      FModelBuffer,
405      FOldBuffer: PChar;
406 +    FOnValidatePost: TOnValidatePost;
407      FOpen: Boolean;
408      FInternalPrepared: Boolean;
409      FQDelete,
# Line 230 | Line 411 | type
411      FQRefresh,
412      FQSelect,
413      FQModify: TIBSQL;
414 +    FDatabaseInfo: TIBDatabaseInfo;
415      FRecordBufferSize: Integer;
416      FRecordCount: Integer;
417      FRecordSize: Integer;
418 +    FDataSetCloseAction: TDataSetCloseAction;
419      FUniDirectional: Boolean;
420      FUpdateMode: TUpdateMode;
421      FUpdateObject: TIBDataSetUpdateObject;
# Line 250 | Line 433 | type
433      FBeforeTransactionEnd,
434      FAfterTransactionEnd,
435      FTransactionFree: TNotifyEvent;
436 <
437 <    function GetSelectStmtHandle: TISC_STMT_HANDLE;
436 >    FAliasNameMap: array of string;
437 >    FAliasNameList: array of string;
438 >    FBaseSQLSelect: TStrings;
439 >    FParser: TSelectSQLParser;
440 >    FCloseAction: TTransactionAction;
441 >    FInTransactionEnd: boolean;
442 >    FIBLinks: TList;
443 >    FFieldColumns: PFieldColumns;
444 >    FBufferUpdatedOnQryReturn: boolean;
445 >    procedure ColumnDataToBuffer(QryResults: IResults; ColumnIndex,
446 >      FieldIndex: integer; Buffer: PChar);
447 >    procedure InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
448 >    function GetSelectStmtIntf: IStatement;
449      procedure SetUpdateMode(const Value: TUpdateMode);
450      procedure SetUpdateObject(Value: TIBDataSetUpdateObject);
451  
# Line 263 | Line 457 | type
457      function CanRefresh: Boolean;
458      procedure CheckEditState;
459      procedure ClearBlobCache;
460 +    procedure ClearArrayCache;
461 +    procedure ClearIBLinks;
462      procedure CopyRecordBuffer(Source, Dest: Pointer);
463      procedure DoBeforeDatabaseDisconnect(Sender: TObject);
464      procedure DoAfterDatabaseDisconnect(Sender: TObject);
465      procedure DoDatabaseFree(Sender: TObject);
466 <    procedure DoBeforeTransactionEnd(Sender: TObject);
466 >    procedure DoBeforeTransactionEnd(Sender: TObject; Action: TTransactionAction);
467      procedure DoAfterTransactionEnd(Sender: TObject);
468      procedure DoTransactionFree(Sender: TObject);
469      procedure FetchCurrentRecordToBuffer(Qry: TIBSQL; RecordNumber: Integer;
470                                           Buffer: PChar);
471      function GetDatabase: TIBDatabase;
276    function GetDBHandle: PISC_DB_HANDLE;
472      function GetDeleteSQL: TStrings;
473      function GetInsertSQL: TStrings;
474 <    function GetSQLParams: TIBXSQLDA;
474 >    function GetSQLParams: ISQLParams;
475      function GetRefreshSQL: TStrings;
476      function GetSelectSQL: TStrings;
477 <    function GetStatementType: TIBSQLTypes;
477 >    function GetStatementType: TIBSQLStatementTypes;
478      function GetModifySQL: TStrings;
479      function GetTransaction: TIBTransaction;
480 <    function GetTRHandle: PISC_TR_HANDLE;
480 >    function GetParser: TSelectSQLParser;
481      procedure InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer); virtual;
482      function InternalLocate(const KeyFields: string; const KeyValues: Variant;
483                              Options: TLocateOptions): Boolean; virtual;
484      procedure InternalPostRecord(Qry: TIBSQL; Buff: Pointer); virtual;
485      procedure InternalRevertRecord(RecordNumber: Integer); virtual;
486      function IsVisible(Buffer: PChar): Boolean;
487 +    procedure RegisterIBLink(Sender: TIBControlLink);
488 +    procedure UnRegisterIBLink(Sender: TIBControlLink);
489      procedure SaveOldBuffer(Buffer: PChar);
490      procedure SetBufferChunks(Value: Integer);
491      procedure SetDatabase(Value: TIBDatabase);
492      procedure SetDeleteSQL(Value: TStrings);
493      procedure SetInsertSQL(Value: TStrings);
494 <    procedure SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
494 >    procedure SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
495      procedure SetRefreshSQL(Value: TStrings);
496      procedure SetSelectSQL(Value: TStrings);
497      procedure SetModifySQL(Value: TStrings);
498      procedure SetTransaction(Value: TIBTransaction);
499      procedure SetUpdateRecordTypes(Value: TIBUpdateRecordTypes);
500      procedure SetUniDirectional(Value: Boolean);
501 +    procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar);
502      procedure RefreshParams;
305    procedure SQLChanging(Sender: TObject); virtual;
503      function AdjustPosition(FCache: PChar; Offset: DWORD;
504                              Origin: Integer): DWORD;
505      procedure ReadCache(FCache: PChar; Offset: DWORD; Origin: Integer;
# Line 321 | Line 518 | type
518      procedure DeactivateTransaction;
519      procedure CheckDatasetClosed;
520      procedure CheckDatasetOpen;
521 +    function CreateParser: TSelectSQLParser; virtual;
522 +    procedure FieldDefsFromQuery(SourceQuery: TIBSQL);
523      function GetActiveBuf: PChar;
524      procedure InternalBatchInput(InputObject: TIBBatchInput); virtual;
525      procedure InternalBatchOutput(OutputObject: TIBBatchOutput); virtual;
# Line 330 | Line 529 | type
529      procedure InternalRefreshRow; virtual;
530      procedure InternalSetParamsFromCursor; virtual;
531      procedure CheckNotUniDirectional;
532 +    procedure SQLChanging(Sender: TObject); virtual;
533 +    procedure SQLChanged(Sender: TObject); virtual;
534  
535 < (*    { IProviderSupport }
535 >    { IProviderSupport }
536      procedure PSEndTransaction(Commit: Boolean); override;
537      function PSExecuteStatement(const ASQL: string; AParams: TParams;
538        ResultSet: Pointer = nil): Integer; override;
# Line 344 | Line 545 | type
545      procedure PSStartTransaction; override;
546      procedure PSReset; override;
547      function PSUpdateRecord(UpdateKind: TUpdateKind; Delta: TDataSet): Boolean; override;
548 < *)
548 >
549      { TDataSet support }
550      procedure InternalInsert; override;
551      procedure InitRecord(Buffer: PChar); override;
# Line 353 | Line 554 | type
554      procedure ClearCalcFields(Buffer: PChar); override;
555      function AllocRecordBuffer: PChar; override;
556      procedure DoBeforeDelete; override;
557 +    procedure DoAfterDelete; override;
558      procedure DoBeforeEdit; override;
559 +    procedure DoAfterEdit; override;
560      procedure DoBeforeInsert; override;
561      procedure DoAfterInsert; override;
562 +    procedure DoBeforeClose; override;
563 +    procedure DoBeforeOpen; override;
564      procedure DoBeforePost; override;
565 +    procedure DoAfterPost; override;
566      procedure FreeRecordBuffer(var Buffer: PChar); override;
567      procedure GetBookmarkData(Buffer: PChar; Data: Pointer); override;
568      function GetBookmarkFlag(Buffer: PChar): TBookmarkFlag; override;
569      function GetCanModify: Boolean; override;
570      function GetDataSource: TDataSource; override;
571 +    function GetDBAliasName(FieldNo: integer): string;
572 +    function GetFieldDefFromAlias(aliasName: string): TFieldDef;
573      function GetFieldClass(FieldType: TFieldType): TFieldClass; override;
574      function GetRecNo: Integer; override;
575      function GetRecord(Buffer: PChar; GetMode: TGetMode;
576                         DoCheck: Boolean): TGetResult; override;
577      function GetRecordCount: Integer; override;
578      function GetRecordSize: Word; override;
579 +    procedure InternalAutoCommit;
580      procedure InternalAddRecord(Buffer: Pointer; Append: Boolean); override;
581      procedure InternalCancel; override;
582      procedure InternalClose; override;
# Line 385 | Line 594 | type
594      procedure InternalSetFieldData(Field: TField; Buffer: Pointer); virtual;
595      procedure InternalSetToRecord(Buffer: PChar); override;
596      function IsCursorOpen: Boolean; override;
597 +    procedure Loaded; override;
598      procedure ReQuery;
599      procedure SetBookmarkFlag(Buffer: PChar; Value: TBookmarkFlag); override;
600      procedure SetBookmarkData(Buffer: PChar; Data: Pointer); override;
601      procedure SetCachedUpdates(Value: Boolean);
602      procedure SetDataSource(Value: TDataSource);
603 +    procedure SetGenerateParamNames(AValue: Boolean); virtual;
604      procedure SetFieldData(Field : TField; Buffer : Pointer); override;
605      procedure SetFieldData(Field : TField; Buffer : Pointer;
606        NativeFormat : Boolean); overload; override;
# Line 397 | Line 608 | type
608  
609    protected
610      {Likely to be made public by descendant classes}
611 <    property SQLParams: TIBXSQLDA read GetSQLParams;
612 <    property Params: TIBXSQLDA read GetSQLParams;
611 >    property AutoCommit: TIBAutoCommit read FAutoCommit write FAutoCommit default acDisabled;
612 >    property SQLParams: ISQLParams read GetSQLParams;
613 >    property Params: ISQLParams read GetSQLParams;
614      property InternalPrepared: Boolean read FInternalPrepared;
615      property QDelete: TIBSQL read FQDelete;
616      property QInsert: TIBSQL read FQInsert;
617      property QRefresh: TIBSQL read FQRefresh;
618      property QSelect: TIBSQL read FQSelect;
619      property QModify: TIBSQL read FQModify;
620 <    property StatementType: TIBSQLTypes read GetStatementType;
621 <    property SelectStmtHandle: TISC_STMT_HANDLE read GetSelectStmtHandle;
620 >    property StatementType: TIBSQLStatementTypes read GetStatementType;
621 >    property SelectStmtHandle: IStatement read GetSelectStmtIntf;
622  
623      {Likely to be made published by descendant classes}
624      property BufferChunks: Integer read FBufferChunks write SetBufferChunks;
# Line 420 | Line 632 | type
632      property ModifySQL: TStrings read GetModifySQL write SetModifySQL;
633      property UpdateMode: TUpdateMode read FUpdateMode write SetUpdateMode default upWhereAll;
634      property ParamCheck: Boolean read FParamCheck write FParamCheck default True;
635 +    property Parser: TSelectSQLParser read GetParser;
636 +    property BaseSQLSelect: TStrings read FBaseSQLSelect;
637  
638      property BeforeDatabaseDisconnect: TNotifyEvent read FBeforeDatabaseDisconnect
639                                                   write FBeforeDatabaseDisconnect;
# Line 433 | Line 647 | type
647                                              write FAfterTransactionEnd;
648      property TransactionFree: TNotifyEvent read FTransactionFree
649                                             write FTransactionFree;
650 +    property OnValidatePost: TOnValidatePost read FOnValidatePost write FOnValidatePost;
651  
652    public
653      constructor Create(AOwner: TComponent); override;
# Line 440 | Line 655 | type
655      procedure ApplyUpdates;
656      function CachedUpdateStatus: TCachedUpdateStatus;
657      procedure CancelUpdates;
658 +    function GetFieldPosition(AliasName: string): integer;
659      procedure FetchAll;
660      function LocateNext(const KeyFields: string; const KeyValues: Variant;
661                          Options: TLocateOptions): Boolean;
662      procedure RecordModified(Value: Boolean);
663      procedure RevertRecord;
664      procedure Undelete;
665 +    procedure ResetParser; virtual;
666 +    function HasParser: boolean;
667  
668      { TDataSet support methods }
669      function BookmarkValid(Bookmark: TBookmark): Boolean; override;
670      function CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer; override;
671      function CreateBlobStream(Field: TField; Mode: TBlobStreamMode): TStream; override;
672 +    function GetArray(Field: TIBArrayField): IArray;
673 +    procedure SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
674      function GetCurrentRecord(Buffer: PChar): Boolean; override;
675      function GetFieldData(Field : TField; Buffer : Pointer) : Boolean; overload; override;
676      function GetFieldData(FieldNo: Integer; Buffer: Pointer): Boolean; overload; (*override;*)
677      function GetFieldData(Field : TField; Buffer : Pointer;
678        NativeFormat : Boolean) : Boolean; overload; override;
679 +    property GenerateParamNames: Boolean read FGenerateParamNames write SetGenerateParamNames;
680      function Locate(const KeyFields: string; const KeyValues: Variant;
681                      Options: TLocateOptions): Boolean; override;
682      function Lookup(const KeyFields: string; const KeyValues: Variant;
683                      const ResultFields: string): Variant; override;
684      function UpdateStatus: TUpdateStatus; override;
685      function IsSequenced: Boolean; override;
686 <    function ParamByName(ParamName: String): TIBXSQLVAR;
687 <    property DBHandle: PISC_DB_HANDLE read GetDBHandle;
688 <    property TRHandle: PISC_TR_HANDLE read GetTRHandle;
686 >    procedure Post; override;
687 >    function ParamByName(ParamName: String): ISQLParam;
688 >    property ArrayFieldCount: integer read FArrayFieldCount;
689 >    property DatabaseInfo: TIBDatabaseInfo read FDatabaseInfo;
690      property UpdateObject: TIBDataSetUpdateObject read FUpdateObject write SetUpdateObject;
691      property UpdatesPending: Boolean read FUpdatesPending;
692      property UpdateRecordTypes: TIBUpdateRecordTypes read FUpdateRecordTypes
693                                                        write SetUpdateRecordTypes;
694 +    property DataSetCloseAction: TDataSetCloseAction
695 +               read FDataSetCloseAction write FDataSetCloseAction;
696  
697    published
698 +    property AllowAutoActivateTransaction: Boolean read FAllowAutoActivateTransaction
699 +                 write FAllowAutoActivateTransaction;
700      property Database: TIBDatabase read GetDatabase write SetDatabase;
701      property Transaction: TIBTransaction read GetTransaction
702                                            write SetTransaction;
# Line 507 | Line 733 | type
733                                                     write FOnUpdateRecord;
734    end;
735  
736 <  TIBDataSet = class(TIBCustomDataSet)
736 >  TIBParserDataSet = class(TIBCustomDataSet)
737 >  public
738 >    property Parser;
739 >  end;
740 >
741 >  TIBDataSet = class(TIBParserDataSet)
742    private
743      function GetPrepared: Boolean;
744  
# Line 532 | Line 763 | type
763      property QModify;
764      property StatementType;
765      property SelectStmtHandle;
766 +    property BaseSQLSelect;
767  
768    published
769      { TIBCustomDataSet }
770 +    property AutoCommit;
771      property BufferChunks;
772      property CachedUpdates;
773      property DeleteSQL;
# Line 543 | Line 776 | type
776      property SelectSQL;
777      property ModifySQL;
778      property GeneratorField;
779 +    property GenerateParamNames;
780      property ParamCheck;
781      property UniDirectional;
782      property Filtered;
783 +    property DataSetCloseAction;
784  
785      property BeforeDatabaseDisconnect;
786      property AfterDatabaseDisconnect;
# Line 581 | Line 816 | type
816      property OnFilterRecord;
817      property OnNewRecord;
818      property OnPostError;
819 +    property OnValidatePost;
820    end;
821  
822    { TIBDSBlobStream }
823    TIBDSBlobStream = class(TStream)
824 +  private
825 +    FHasWritten: boolean;
826    protected
827      FField: TField;
828      FBlobStream: TIBBlobStream;
829 +    function  GetSize: Int64; override;
830    public
831      constructor Create(AField: TField; ABlobStream: TIBBlobStream;
832                         Mode: TBlobStreamMode);
833 +    destructor Destroy; override;
834      function Read(var Buffer; Count: Longint): Longint; override;
835      function Seek(Offset: Longint; Origin: Word): Longint; override;
836      procedure SetSize(NewSize: Longint); override;
837      function Write(const Buffer; Count: Longint): Longint; override;
838    end;
839  
840 +  {Extended Field Def for character set info}
841 +
842 +  { TIBFieldDef }
843 +
844 +  TIBFieldDef = class(TFieldDef)
845 +  private
846 +    FArrayBounds: TArrayBounds;
847 +    FArrayDimensions: integer;
848 +    FCharacterSetName: RawByteString;
849 +    FCharacterSetSize: integer;
850 +    FCodePage: TSystemCodePage;
851 +    FIdentityColumn: boolean;
852 +    FRelationName: string;
853 +    FDataSize: integer;
854 +  published
855 +    property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName;
856 +    property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize;
857 +    property CodePage: TSystemCodePage read FCodePage write FCodePage;
858 +    property DataSize: integer read FDataSize write FDataSize;
859 +    property RelationName: string read FRelationName write FRelationName;
860 +    property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions;
861 +    property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds;
862 +    property IdentityColumn: boolean read FIdentityColumn write FIdentityColumn default false;
863 +  end;
864 +
865   const
866   DefaultFieldClasses: array[TFieldType] of TFieldClass = (
867      nil,                { ftUnknown }
868      TIBStringField,     { ftString }
869 <    TSmallintField,     { ftSmallint }
870 <    TIntegerField,      { ftInteger }
869 >    TIBSmallintField,   { ftSmallint }
870 >    TIBIntegerField,      { ftInteger }
871      TWordField,         { ftWord }
872      TBooleanField,      { ftBoolean }
873      TFloatField,        { ftFloat }
# Line 615 | Line 880 | DefaultFieldClasses: array[TFieldType] o
880      TVarBytesField,     { ftVarBytes }
881      TAutoIncField,      { ftAutoInc }
882      TBlobField,         { ftBlob }
883 <    TMemoField,         { ftMemo }
883 >    TIBMemoField,       { ftMemo }
884      TGraphicField,      { ftGraphic }
885      TBlobField,         { ftFmtMemo }
886      TBlobField,         { ftParadoxOle }
# Line 623 | Line 888 | DefaultFieldClasses: array[TFieldType] o
888      TBlobField,         { ftTypedBinary }
889      nil,                { ftCursor }
890      TStringField,       { ftFixedChar }
891 <    TWideStringField,    { ftWideString }
892 <    TLargeIntField,     { ftLargeInt }
891 >    nil,    { ftWideString }
892 >    TIBLargeIntField,     { ftLargeInt }
893      nil,          { ftADT }
894 <    nil,        { ftArray }
894 >    TIBArrayField,        { ftArray }
895      nil,    { ftReference }
896      nil,     { ftDataSet }
897      TBlobField,         { ftOraBlob }
# Line 638 | Line 903 | DefaultFieldClasses: array[TFieldType] o
903      TDateTimeField,    {ftTimestamp}
904      TIBBCDField,       {ftFMTBcd}
905      nil,  {ftFixedWideChar}
906 <    TWideMemoField);   {ftWideMemo}
906 >    nil);   {ftWideMemo}
907   (*
908      TADTField,          { ftADT }
909      TArrayField,        { ftArray }
# Line 655 | Line 920 | DefaultFieldClasses: array[TFieldType] o
920  
921   implementation
922  
923 < uses IBIntf, Variants, FmtBCD;
923 > uses Variants, FmtBCD, LazUTF8, FBMessages, IBQuery;
924  
925   const FILE_BEGIN = 0;
926        FILE_CURRENT = 1;
# Line 668 | Line 933 | type
933      FieldName : String;
934      COMPUTED_BLR : Boolean;
935      DEFAULT_VALUE : boolean;
936 +    IDENTITY_COLUMN : boolean;
937      NextField : TFieldNode;
938    end;
939  
# Line 679 | Line 945 | type
945    end;
946  
947  
948 < { TIBStringField}
948 >  {  Copied from LCLProc in order to avoid LCL dependency
949 >
950 >    Ensures the covenient look of multiline string
951 >    when displaying it in the single line
952 >    * Replaces CR and LF with spaces
953 >    * Removes duplicate spaces
954 >  }
955 >  function TextToSingleLine(const AText: string): string;
956 >  var
957 >    str: string;
958 >    i, wstart, wlen: Integer;
959 >  begin
960 >    str := Trim(AText);
961 >    wstart := 0;
962 >    wlen := 0;
963 >    i := 1;
964 >    while i < Length(str) - 1 do
965 >    begin
966 >      if (str[i] in [' ', #13, #10]) then
967 >      begin
968 >        if (wstart = 0) then
969 >        begin
970 >          wstart := i;
971 >          wlen := 1;
972 >        end else
973 >          Inc(wlen);
974 >      end else
975 >      begin
976 >        if wstart > 0 then
977 >        begin
978 >          str[wstart] := ' ';
979 >          Delete(str, wstart+1, wlen-1);
980 >          Dec(i, wlen-1);
981 >          wstart := 0;
982 >        end;
983 >      end;
984 >      Inc(i);
985 >    end;
986 >    Result := str;
987 >  end;
988 >
989 > { TIBLargeIntField }
990 >
991 > procedure TIBLargeIntField.Bind(Binding: Boolean);
992 > begin
993 >  inherited Bind(Binding);
994 >  if Binding and (FieldDef <> nil) then
995 >     FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
996 > end;
997 >
998 > { TIBIntegerField }
999 >
1000 > procedure TIBIntegerField.Bind(Binding: Boolean);
1001 > begin
1002 >  inherited Bind(Binding);
1003 >  if Binding and (FieldDef <> nil) then
1004 >     FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1005 > end;
1006 >
1007 > { TIBSmallintField }
1008 >
1009 > procedure TIBSmallintField.Bind(Binding: Boolean);
1010 > begin
1011 >  inherited Bind(Binding);
1012 >  if Binding and (FieldDef <> nil) then
1013 >     FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1014 > end;
1015 >
1016 > { TIBArray }
1017 >
1018 > procedure TIBArray.EventHandler(Sender: IArray; Reason: TArrayEventReason);
1019 > begin
1020 >  case Reason of
1021 >  arChanging:
1022 >    if FRecNo <> FField.Dataset.RecNo then
1023 >      IBError(ibxeNotCurrentArray,[nil]);
1024 >
1025 >  arChanged:
1026 >    FField.DataChanged;
1027 >  end;
1028 > end;
1029 >
1030 > constructor TIBArray.Create(aField: TIBArrayField; anArray: IArray);
1031 > begin
1032 >  inherited Create;
1033 >  FField := aField;
1034 >  FArray := anArray;
1035 >  FRecNo := FField.Dataset.RecNo;
1036 >  FArray.AddEventHandler(EventHandler);
1037 > end;
1038 >
1039 > destructor TIBArray.Destroy;
1040 > begin
1041 >  FArray.RemoveEventHandler(EventHandler);
1042 >  inherited Destroy;
1043 > end;
1044 >
1045 > { TIBArrayField }
1046 >
1047 > function TIBArrayField.GetArrayIntf: IArray;
1048 > begin
1049 >  Result := TIBCustomDataSet(DataSet).GetArray(self);
1050 > end;
1051 >
1052 > function TIBArrayField.GetArrayID: TISC_QUAD;
1053 > begin
1054 >  GetData(@Result);
1055 > end;
1056 >
1057 > procedure TIBArrayField.SetArrayIntf(AValue: IArray);
1058 > begin
1059 >  TIBCustomDataSet(DataSet).SetArrayIntf(AValue,self);
1060 >  DataChanged;
1061 > end;
1062 >
1063 > class procedure TIBArrayField.CheckTypeSize(AValue: Longint);
1064 > begin
1065 >  //Ignore
1066 > end;
1067 >
1068 > function TIBArrayField.GetAsString: string;
1069 > begin
1070 >  Result := '(Array)';
1071 > end;
1072 >
1073 > function TIBArrayField.GetDataSize: Integer;
1074 > begin
1075 >  Result := sizeof(TISC_QUAD);
1076 > end;
1077 >
1078 > procedure TIBArrayField.Bind(Binding: Boolean);
1079 > begin
1080 >  inherited Bind(Binding);
1081 >  if Binding then
1082 >  begin
1083 >    FCacheOffset := TIBCustomDataSet(DataSet).ArrayFieldCount;
1084 >    Inc(TIBCustomDataSet(DataSet).FArrayFieldCount);
1085 >    if FieldDef <> nil then
1086 >    begin
1087 >      FRelationName := TIBFieldDef(FieldDef).FRelationName;
1088 >      FArrayDimensions := TIBFieldDef(FieldDef).ArrayDimensions;
1089 >      FArrayBounds :=  TIBFieldDef(FieldDef).ArrayBounds;
1090 >    end;
1091 >  end;
1092 > end;
1093 >
1094 > constructor TIBArrayField.Create(AOwner: TComponent);
1095 > begin
1096 >  inherited Create(AOwner);
1097 >  SetDataType(ftArray);
1098 > end;
1099 >
1100 > function TIBArrayField.CreateArray: IArray;
1101 > begin
1102 > with DataSet as TIBCustomDataSet do
1103 >  Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,FRelationName,FieldName);
1104 > end;
1105 >
1106 > { TIBMemoField }
1107 >
1108 > function TIBMemoField.GetTruncatedText: string;
1109 > begin
1110 >   Result := GetAsString;
1111 >
1112 >   if Result <> '' then
1113 >   begin
1114 >       case CharacterSetSize of
1115 >       1:
1116 >         if DisplayWidth = 0 then
1117 >           Result := TextToSingleLine(Result)
1118 >         else
1119 >         if Length(Result) > DisplayWidth then {Show truncation with elipses}
1120 >           Result := TextToSingleLine(system.copy(Result,1,DisplayWidth-3)) + '...';
1121 >
1122 >       {2: case 2 ignored. This should be handled by TIBWideMemo}
1123 >
1124 >       3, {Assume UNICODE_FSS is really UTF8}
1125 >       4: {Include GB18030 - assuming UTF8 routines work for this codeset}
1126 >         if DisplayWidth = 0 then
1127 >           Result := ValidUTF8String(TextToSingleLine(Result))
1128 >         else
1129 >         if UTF8Length(Result) > DisplayWidth then {Show truncation with elipses}
1130 >           Result := ValidUTF8String(TextToSingleLine(UTF8Copy(Result,1,DisplayWidth-3))) + '...';
1131 >       end;
1132 >   end
1133 > end;
1134  
1135 < constructor TIBStringField.Create(AOwner: TComponent);
1135 > procedure TIBMemoField.Bind(Binding: Boolean);
1136 > var IBFieldDef: TIBFieldDef;
1137 > begin
1138 >  inherited Bind(Binding);
1139 >  if Binding and (FieldDef <> nil) then
1140 >  begin
1141 >    IBFieldDef := FieldDef as TIBFieldDef;
1142 >    CharacterSetSize := IBFieldDef.CharacterSetSize;
1143 >    CharacterSetName := IBFieldDef.CharacterSetName;
1144 >    CodePage := IBFieldDef.CodePage;
1145 >  end;
1146 > end;
1147 >
1148 > function TIBMemoField.GetAsString: string;
1149 > var s: RawByteString;
1150 > begin
1151 >  s := inherited GetAsString;
1152 >  SetCodePage(s,CodePage,false);
1153 >  if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1154 >    SetCodePage(s,CP_UTF8,true);  {LCL only accepts UTF8}
1155 >  Result := s;
1156 > end;
1157 >
1158 > function TIBMemoField.GetDefaultWidth: Longint;
1159 > begin
1160 >  if DisplayTextAsClassName then
1161 >    Result := inherited
1162 >  else
1163 >    Result := 128;
1164 > end;
1165 >
1166 > procedure TIBMemoField.GetText(var AText: string; ADisplayText: Boolean);
1167 > begin
1168 >  if ADisplayText then
1169 >  begin
1170 >    if not DisplayTextAsClassName and (CharacterSetName <> '') then
1171 >      AText := GetTruncatedText
1172 >    else
1173 >      inherited GetText(AText, ADisplayText);
1174 >  end
1175 >  else
1176 >    AText := GetAsString;
1177 > end;
1178 >
1179 > procedure TIBMemoField.SetAsString(const AValue: string);
1180 > var s: RawByteString;
1181 > begin
1182 >  s := AValue;
1183 >  if StringCodePage(s) <> CodePage then
1184 >    SetCodePage(s,CodePage,CodePage<>CP_NONE);
1185 >  inherited SetAsString(s);
1186 > end;
1187 >
1188 > constructor TIBMemoField.Create(AOwner: TComponent);
1189   begin
1190    inherited Create(AOwner);
1191 +  BlobType := ftMemo;
1192 +  FCodePage := CP_NONE;
1193 + end;
1194 +
1195 + { TIBControlLink }
1196 +
1197 + destructor TIBControlLink.Destroy;
1198 + begin
1199 +  IBDataSet := nil;
1200 +  inherited Destroy;
1201 + end;
1202 +
1203 + procedure TIBControlLink.UpdateParams(Sender: TObject);
1204 + begin
1205 +
1206 + end;
1207 +
1208 + procedure TIBControlLink.UpdateSQL(Sender: TObject);
1209 + begin
1210 +
1211 + end;
1212 +
1213 + procedure TIBControlLink.SetIBDataSet(AValue: TIBCustomDataSet);
1214 + begin
1215 +  if FTIBDataSet = AValue then Exit;
1216 +  if IBDataSet <> nil then
1217 +    IBDataSet.UnRegisterIBLink(self);
1218 +  FTIBDataSet := AValue;
1219 +  if IBDataSet <> nil then
1220 +    IBDataSet.RegisterIBLink(self);
1221 + end;
1222 +
1223 +
1224 + { TIBStringField}
1225 +
1226 + procedure TIBStringField.Bind(Binding: Boolean);
1227 + var IBFieldDef: TIBFieldDef;
1228 + begin
1229 +  inherited Bind(Binding);
1230 +  if Binding and (FieldDef <> nil) then
1231 +  begin
1232 +    IBFieldDef := FieldDef as TIBFieldDef;
1233 +    CharacterSetSize := IBFieldDef.CharacterSetSize;
1234 +    CharacterSetName := IBFieldDef.CharacterSetName;
1235 +    FDataSize := IBFieldDef.DataSize + 1;
1236 +    if AutoFieldSize then
1237 +      Size := IBFieldDef.Size;
1238 +    CodePage := IBFieldDef.CodePage;
1239 +  end;
1240 + end;
1241 +
1242 + function TIBStringField.GetDataSize: Integer;
1243 + begin
1244 +  Result := FDataSize;
1245 + end;
1246 +
1247 + constructor TIBStringField.Create(aOwner: TComponent);
1248 + begin
1249 +  inherited Create(aOwner);
1250 +  FCharacterSetSize := 1;
1251 +  FCodePage := CP_NONE;
1252 +  FAutoFieldSize := true;
1253   end;
1254  
1255   class procedure TIBStringField.CheckTypeSize(Value: Integer);
# Line 706 | Line 1272 | end;
1272   function TIBStringField.GetValue(var Value: string): Boolean;
1273   var
1274    Buffer: PChar;
1275 +  s: RawByteString;
1276   begin
1277    Buffer := nil;
1278 <  IBAlloc(Buffer, 0, Size + 1);
1278 >  IBAlloc(Buffer, 0, DataSize);
1279    try
1280      Result := GetData(Buffer);
1281      if Result then
1282      begin
1283 <      Value := string(Buffer);
1283 >      s := strpas(Buffer);
1284 >      SetCodePage(s,CodePage,false);
1285 >      if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then
1286 >        SetCodePage(s,CP_UTF8,true);  {LCL only accepts UTF8}
1287 >      Value := s;
1288 > //      writeln(FieldName,': ', StringCodePage(Value),', ',Value);
1289        if Transliterate and (Value <> '') then
1290          DataSet.Translate(PChar(Value), PChar(Value), False);
1291      end
# Line 725 | Line 1297 | end;
1297   procedure TIBStringField.SetAsString(const Value: string);
1298   var
1299    Buffer: PChar;
1300 +  s: RawByteString;
1301   begin
1302    Buffer := nil;
1303 <  IBAlloc(Buffer, 0, Size + 1);
1303 >  IBAlloc(Buffer, 0, DataSize);
1304    try
1305 <    StrLCopy(Buffer, PChar(Value), Size);
1305 >    s := Value;
1306 >    if StringCodePage(s) <> CodePage then
1307 >      SetCodePage(s,CodePage,CodePage<>CP_NONE);
1308 >    StrLCopy(Buffer, PChar(s), DataSize-1);
1309      if Transliterate then
1310        DataSet.Translate(Buffer, Buffer, True);
1311      SetData(Buffer);
# Line 738 | Line 1314 | begin
1314    end;
1315   end;
1316  
1317 +
1318   { TIBBCDField }
1319  
1320   constructor TIBBCDField.Create(AOwner: TComponent);
# Line 747 | Line 1324 | begin
1324    Size := 8;
1325   end;
1326  
1327 + procedure TIBBCDField.Bind(Binding: Boolean);
1328 + begin
1329 +  inherited Bind(Binding);
1330 +  if Binding and (FieldDef <> nil) then
1331 +     FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn;
1332 + end;
1333 +
1334   class procedure TIBBCDField.CheckTypeSize(Value: Integer);
1335   begin
1336   { No need to check as the base type is currency, not BCD }
# Line 831 | Line 1415 | end;
1415   constructor TIBCustomDataSet.Create(AOwner: TComponent);
1416   begin
1417    inherited Create(AOwner);
834  FIBLoaded := False;
835  CheckIBLoaded;
836  FIBLoaded := True;
1418    FBase := TIBBase.Create(Self);
1419 +  FDatabaseInfo := TIBDatabaseInfo.Create(self);
1420 +  FIBLinks := TList.Create;
1421    FCurrentRecord := -1;
1422    FDeletedRecords := 0;
1423    FUniDirectional := False;
1424    FBufferChunks := BufferCacheSize;
1425    FBlobStreamList := TList.Create;
1426 +  FArrayList := TList.Create;
1427    FGeneratorField := TIBGenerator.Create(self);
1428    FDataLink := TIBDataLink.Create(Self);
1429    FQDelete := TIBSQL.Create(Self);
# Line 853 | Line 1437 | begin
1437    FQRefresh.GoToFirstRecordOnExecute := False;
1438    FQSelect := TIBSQL.Create(Self);
1439    FQSelect.OnSQLChanging := SQLChanging;
1440 +  FQSelect.OnSQLChanged := SQLChanged;
1441    FQSelect.GoToFirstRecordOnExecute := False;
1442    FQModify := TIBSQL.Create(Self);
1443    FQModify.OnSQLChanging := SQLChanging;
1444    FQModify.GoToFirstRecordOnExecute := False;
1445    FUpdateRecordTypes := [cusUnmodified, cusModified, cusInserted];
1446    FParamCheck := True;
1447 +  FGenerateParamNames := False;
1448    FForcedRefresh := False;
1449 +  FAutoCommit:= acDisabled;
1450 +  FDataSetCloseAction := dcDiscardChanges;
1451    {Bookmark Size is Integer for IBX}
1452    BookmarkSize := SizeOf(Integer);
1453    FBase.BeforeDatabaseDisconnect := DoBeforeDatabaseDisconnect;
# Line 873 | Line 1461 | begin
1461    else
1462      if AOwner is TIBTransaction then
1463        Transaction := TIBTransaction(AOwner);
1464 +  FBaseSQLSelect := TStringList.Create;
1465   end;
1466  
1467   destructor TIBCustomDataSet.Destroy;
1468   begin
1469    if Active then Active := false;
1470 <  if FIBLoaded then
1471 <  begin
1472 <    if assigned(FGeneratorField) then FGeneratorField.Free;
1473 <    FDataLink.Free;
1474 <    FBase.Free;
1475 <    ClearBlobCache;
1476 <    FBlobStreamList.Free;
1477 <    FreeMem(FBufferCache);
1478 <    FBufferCache := nil;
1479 <    FreeMem(FOldBufferCache);
1480 <    FOldBufferCache := nil;
1481 <    FCacheSize := 0;
1482 <    FOldCacheSize := 0;
1483 <    FMappedFieldPosition := nil;
1484 <  end;
1470 >  if assigned(FGeneratorField) then FGeneratorField.Free;
1471 >  FDataLink.Free;
1472 >  FBase.Free;
1473 >  ClearBlobCache;
1474 >  ClearIBLinks;
1475 >  FIBLinks.Free;
1476 >  FBlobStreamList.Free;
1477 >  FArrayList.Free;
1478 >  FreeMem(FBufferCache);
1479 >  FBufferCache := nil;
1480 >  FreeMem(FOldBufferCache);
1481 >  FOldBufferCache := nil;
1482 >  FCacheSize := 0;
1483 >  FOldCacheSize := 0;
1484 >  FMappedFieldPosition := nil;
1485 >  if assigned(FBaseSQLSelect) then FBaseSQLSelect.Free;
1486 >  if assigned(FParser) then FParser.Free;
1487    inherited Destroy;
1488   end;
1489  
# Line 915 | Line 1506 | begin
1506        Inc(FCurrentRecord);
1507        if (FCurrentRecord = FRecordCount) then
1508        begin
1509 <        if (not FQSelect.EOF) and (FQSelect.Next <> nil) then
1509 >        if (not FQSelect.EOF) and FQSelect.Next  then
1510          begin
1511            FetchCurrentRecordToBuffer(FQSelect, FCurrentRecord, Buffer);
1512            Inc(FRecordCount);
# Line 934 | Line 1525 | end;
1525  
1526   procedure TIBCustomDataSet.ApplyUpdates;
1527   var
937  {$IF FPC_FULLVERSION > 20600 }
1528    CurBookmark: TBookmark;
939  {$ELSE}
940  CurBookmark: string;
941  {$ENDIF}
1529    Buffer: PRecordData;
1530    CurUpdateTypes: TIBUpdateRecordTypes;
1531    UpdateAction: TIBUpdateAction;
# Line 1136 | Line 1723 | begin
1723    end;
1724   end;
1725  
1726 + function TIBCustomDataSet.GetFieldPosition(AliasName: string): integer;
1727 + var i: integer;
1728 +    Prepared: boolean;
1729 + begin
1730 +  Result := 0;
1731 +  Prepared := FInternalPrepared;
1732 +  if not Prepared then
1733 +    InternalPrepare;
1734 +  try
1735 +    for i := 0 to Length(FAliasNameList) - 1 do
1736 +      if FAliasNameList[i] = AliasName then
1737 +      begin
1738 +        Result := i + 1;
1739 +        Exit
1740 +      end;
1741 +  finally
1742 +    if not Prepared then
1743 +      InternalUnPrepare;
1744 +  end;
1745 + end;
1746 +
1747   procedure TIBCustomDataSet.ActivateConnection;
1748   begin
1749    if not Assigned(Database) then
# Line 1148 | Line 1756 | end;
1756   function TIBCustomDataSet.ActivateTransaction: Boolean;
1757   begin
1758    Result := False;
1759 <  if not Assigned(Transaction) then
1152 <    IBError(ibxeTransactionNotAssigned, [nil]);
1153 <  if not Transaction.Active then
1759 >  if AllowAutoActivateTransaction or (csDesigning in ComponentState) then
1760    begin
1761 <    Result := True;
1762 <    Transaction.StartTransaction;
1763 <    FDidActivate := True;
1761 >    if not Assigned(Transaction) then
1762 >      IBError(ibxeTransactionNotAssigned, [nil]);
1763 >    if not Transaction.Active then
1764 >    begin
1765 >      Result := True;
1766 >      Transaction.StartTransaction;
1767 >      FDidActivate := True;
1768 >    end;
1769    end;
1770   end;
1771  
# Line 1196 | Line 1807 | begin
1807      IBError(ibxeDatasetClosed, [nil]);
1808   end;
1809  
1810 + function TIBCustomDataSet.CreateParser: TSelectSQLParser;
1811 + begin
1812 +  Result := TSelectSQLParser.Create(self,FBaseSQLSelect);
1813 +  Result.OnSQLChanging := SQLChanging
1814 + end;
1815 +
1816   procedure TIBCustomDataSet.CheckNotUniDirectional;
1817   begin
1818    if UniDirectional then
# Line 1273 | Line 1890 | begin
1890    FBlobStreamList.Pack;
1891   end;
1892  
1893 + procedure TIBCustomDataSet.ClearArrayCache;
1894 + var
1895 +  i: Integer;
1896 + begin
1897 +  for i := 0 to FArrayList.Count - 1 do
1898 +  begin
1899 +    TIBArray(FArrayList[i]).Free;
1900 +    FArrayList[i] := nil;
1901 +  end;
1902 +  FArrayList.Pack;
1903 + end;
1904 +
1905   procedure TIBCustomDataSet.CopyRecordBuffer(Source, Dest: Pointer);
1906   begin
1907    Move(Source^, Dest^, FRecordBufferSize);
# Line 1282 | Line 1911 | procedure TIBCustomDataSet.DoBeforeDatab
1911   begin
1912    if Active then
1913      Active := False;
1914 <  FInternalPrepared := False;
1914 >  InternalUnPrepare;
1915    if Assigned(FBeforeDatabaseDisconnect) then
1916      FBeforeDatabaseDisconnect(Sender);
1917   end;
# Line 1299 | Line 1928 | begin
1928      FDatabaseFree(Sender);
1929   end;
1930  
1931 < procedure TIBCustomDataSet.DoBeforeTransactionEnd(Sender: TObject);
1931 > procedure TIBCustomDataSet.DoBeforeTransactionEnd(Sender: TObject;
1932 >  Action: TTransactionAction);
1933   begin
1934 <  if Active then
1935 <    Active := False;
1934 >  FCloseAction := Action;
1935 >  FInTransactionEnd := true;
1936 >  try
1937 >    if Active then
1938 >      Active := False;
1939 >  finally
1940 >    FInTransactionEnd := false;
1941 >  end;
1942    if FQSelect <> nil then
1943      FQSelect.FreeHandle;
1944    if FQDelete <> nil then
# Line 1313 | Line 1949 | begin
1949      FQModify.FreeHandle;
1950    if FQRefresh <> nil then
1951      FQRefresh.FreeHandle;
1952 +  InternalUnPrepare;
1953    if Assigned(FBeforeTransactionEnd) then
1954      FBeforeTransactionEnd(Sender);
1955   end;
# Line 1329 | Line 1966 | begin
1966      FTransactionFree(Sender);
1967   end;
1968  
1969 < { Read the record from FQSelect.Current into the record buffer
1970 <  Then write the buffer to in memory cache }
1971 < procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
1972 <  RecordNumber: Integer; Buffer: PChar);
1973 < var
1337 <  p: PRecordData;
1338 <  pbd: PBlobDataArray;
1339 <  i, j: Integer;
1340 <  LocalData: Pointer;
1341 <  LocalDate, LocalDouble: Double;
1342 <  LocalInt: Integer;
1343 <  LocalInt64: Int64;
1344 <  LocalCurrency: Currency;
1345 <  FieldsLoaded: Integer;
1346 <  temp: TIBXSQLVAR;
1969 > procedure TIBCustomDataSet.InitModelBuffer(Qry: TIBSQL; Buffer: PChar);
1970 > var i, j: Integer;
1971 >    FieldsLoaded: integer;
1972 >    p: PRecordData;
1973 >    colMetadata: IColumnMetaData;
1974   begin
1975    p := PRecordData(Buffer);
1349  { Make sure blob cache is empty }
1350  pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
1351  if RecordNumber > -1 then
1352    for i := 0 to BlobFieldCount - 1 do
1353      pbd^[i] := nil;
1976    { Get record information }
1977    p^.rdBookmarkFlag := bfCurrent;
1978 <  p^.rdFieldCount := Qry.Current.Count;
1979 <  p^.rdRecordNumber := RecordNumber;
1978 >  p^.rdFieldCount := Qry.FieldCount;
1979 >  p^.rdRecordNumber := -1;
1980    p^.rdUpdateStatus := usUnmodified;
1981    p^.rdCachedUpdateStatus := cusUnmodified;
1982    p^.rdSavedOffset := $FFFFFFFF;
1983  
1984    { Load up the fields }
1985 <  FieldsLoaded := FQSelect.Current.Count;
1985 >  FieldsLoaded := FQSelect.MetaData.Count;
1986    j := 1;
1987 <  for i := 0 to Qry.Current.Count - 1 do
1987 >  for i := 0 to Qry.MetaData.Count - 1 do
1988    begin
1989      if (Qry = FQSelect) then
1990        j := i + 1
1991 <    else begin
1991 >    else
1992 >    begin
1993        if FieldsLoaded = 0 then
1994          break;
1995 <      j := FQSelect.FieldIndex[Qry.Current[i].Name] + 1;
1995 >      j := FQSelect.FieldIndex[Qry[i].Name] + 1;
1996        if j < 1 then
1997          continue
1998        else
1999          Dec(FieldsLoaded);
2000      end;
2001 <    with FQSelect.Current[j - 1].Data^ do
2002 <      if aliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
2001 >    if j > 0 then
2002 >    begin
2003 >      colMetadata := Qry.MetaData[i];
2004 >      with p^.rdFields[j], FFieldColumns^[j] do
2005        begin
2006 <        if sqllen <= 8 then
2007 <          p^.rdDBKey := PIBDBKEY(Qry.Current[i].AsPointer)^;
2008 <        continue;
2006 >        fdDataType := colMetadata.GetSQLType;
2007 >        if fdDataType = SQL_BLOB then
2008 >          fdDataScale := 0
2009 >        else
2010 >          fdDataScale := colMetadata.getScale;
2011 >        fdNullable := colMetadata.getIsNullable;
2012 >        fdIsNull := true;
2013 >        fdDataSize := colMetadata.GetSize;
2014 >        fdDataLength := 0;
2015 >        fdCodePage := CP_NONE;
2016 >
2017 >        case fdDataType of
2018 >        SQL_TIMESTAMP,
2019 >        SQL_TYPE_DATE,
2020 >        SQL_TYPE_TIME:
2021 >          fdDataSize := SizeOf(TDateTime);
2022 >        SQL_SHORT, SQL_LONG:
2023 >        begin
2024 >          if (fdDataScale = 0) then
2025 >            fdDataSize := SizeOf(Integer)
2026 >          else
2027 >          if (fdDataScale >= (-4)) then
2028 >            fdDataSize := SizeOf(Currency)
2029 >          else
2030 >            fdDataSize := SizeOf(Double);
2031 >        end;
2032 >        SQL_INT64:
2033 >        begin
2034 >          if (fdDataScale = 0) then
2035 >            fdDataSize := SizeOf(Int64)
2036 >          else
2037 >          if (fdDataScale >= (-4)) then
2038 >            fdDataSize := SizeOf(Currency)
2039 >          else
2040 >            fdDataSize := SizeOf(Double);
2041 >        end;
2042 >        SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2043 >          fdDataSize := SizeOf(Double);
2044 >        SQL_BOOLEAN:
2045 >          fdDataSize := SizeOf(wordBool);
2046 >        SQL_VARYING,
2047 >        SQL_TEXT,
2048 >        SQL_BLOB:
2049 >          fdCodePage := Qry.Metadata[i].getCodePage;
2050 >        end;
2051 >        fdDataOfs := FRecordSize;
2052 >        Inc(FRecordSize, fdDataSize);
2053        end;
2054 <    if j > 0 then with p^ do
2054 >    end;
2055 >  end;
2056 > end;
2057 >
2058 > {Update Buffer Fields from Query Results}
2059 >
2060 > procedure TIBCustomDataSet.UpdateRecordFromQuery(QryResults: IResults;
2061 >  Buffer: PChar);
2062 > var i, j: integer;
2063 > begin
2064 >  for i := 0 to QryResults.Count - 1 do
2065 >  begin
2066 >    j := GetFieldPosition(QryResults[i].GetAliasName);
2067 >    if j > 0 then
2068      begin
2069 <      rdFields[j].fdDataType :=
2070 <        Qry.Current[i].Data^.sqltype and (not 1);
2071 <      rdFields[j].fdDataScale :=
2072 <        Qry.Current[i].Data^.sqlscale;
2073 <      rdFields[j].fdNullable :=
2074 <        (Qry.Current[i].Data^.sqltype and 1 = 1);
2075 <      rdFields[j].fdIsNull :=
2076 <        (rdFields[j].fdNullable and (Qry.Current[i].Data^.sqlind^ = -1));
2077 <      LocalData := Qry.Current[i].Data^.sqldata;
2078 <      case rdFields[j].fdDataType of
2069 >      ColumnDataToBuffer(QryResults,i,j,Buffer);
2070 >      FBufferUpdatedOnQryReturn := true;
2071 >    end;
2072 >  end;
2073 > end;
2074 >
2075 >
2076 > {Move column data returned from query to row buffer}
2077 >
2078 > procedure TIBCustomDataSet.ColumnDataToBuffer(QryResults: IResults;
2079 >               ColumnIndex, FieldIndex: integer; Buffer: PChar);
2080 > var
2081 >  LocalData: PByte;
2082 >  LocalDate: TDateTime;
2083 >  LocalDouble: Double;
2084 >  LocalInt: Integer;
2085 >  LocalBool: wordBool;
2086 >  LocalInt64: Int64;
2087 >  LocalCurrency: Currency;
2088 >  ColData: ISQLData;
2089 > begin
2090 >  LocalData := nil;
2091 >  with PRecordData(Buffer)^.rdFields[FieldIndex], FFieldColumns^[FieldIndex] do
2092 >  begin
2093 >    QryResults.GetData(ColumnIndex,fdIsNull,fdDataLength,LocalData);
2094 >    if not fdIsNull then
2095 >    begin
2096 >      ColData := QryResults[ColumnIndex];
2097 >      case fdDataType of  {Get Formatted data for column types that need formatting}
2098 >        SQL_TYPE_DATE,
2099 >        SQL_TYPE_TIME,
2100          SQL_TIMESTAMP:
2101          begin
2102 <          rdFields[j].fdDataSize := SizeOf(TDateTime);
2103 <          if RecordNumber >= 0 then
2104 <            LocalDate := TimeStampToMSecs(DateTimeToTimeStamp(Qry.Current[i].AsDateTime));
1402 <          LocalData := PChar(@LocalDate);
1403 <        end;
1404 <        SQL_TYPE_DATE:
1405 <        begin
1406 <          rdFields[j].fdDataSize := SizeOf(TDateTime);
1407 <          if RecordNumber >= 0 then
1408 <            LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Date;
1409 <          LocalData := PChar(@LocalInt);
1410 <        end;
1411 <        SQL_TYPE_TIME:
1412 <        begin
1413 <          rdFields[j].fdDataSize := SizeOf(TDateTime);
1414 <          if RecordNumber >= 0 then
1415 <            LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Time;
1416 <          LocalData := PChar(@LocalInt);
2102 >          {This is an IBX native format and not the TDataset approach. See also GetFieldData}
2103 >          LocalDate := ColData.AsDateTime;
2104 >          LocalData := PByte(@LocalDate);
2105          end;
2106          SQL_SHORT, SQL_LONG:
2107          begin
2108 <          if (rdFields[j].fdDataScale = 0) then
2108 >          if (fdDataScale = 0) then
2109            begin
2110 <            rdFields[j].fdDataSize := SizeOf(Integer);
2111 <            if RecordNumber >= 0 then
1424 <              LocalInt := Qry.Current[i].AsLong;
1425 <            LocalData := PChar(@LocalInt);
2110 >            LocalInt := ColData.AsLong;
2111 >            LocalData := PByte(@LocalInt);
2112            end
2113 <          else if (rdFields[j].fdDataScale >= (-4)) then
2114 <               begin
2115 <                 rdFields[j].fdDataSize := SizeOf(Currency);
2116 <                 if RecordNumber >= 0 then
2117 <                   LocalCurrency := Qry.Current[i].AsCurrency;
2118 <                 LocalData := PChar(@LocalCurrency);
2119 <               end
2120 <               else begin
2121 <                 rdFields[j].fdDataSize := SizeOf(Double);
2122 <                 if RecordNumber >= 0 then
2123 <                   LocalDouble := Qry.Current[i].AsDouble;
1438 <                LocalData := PChar(@LocalDouble);
1439 <              end;
2113 >          else
2114 >          if (fdDataScale >= (-4)) then
2115 >          begin
2116 >            LocalCurrency := ColData.AsCurrency;
2117 >            LocalData := PByte(@LocalCurrency);
2118 >          end
2119 >          else
2120 >          begin
2121 >           LocalDouble := ColData.AsDouble;
2122 >           LocalData := PByte(@LocalDouble);
2123 >          end;
2124          end;
2125          SQL_INT64:
2126          begin
2127 <          if (rdFields[j].fdDataScale = 0) then
2127 >          if (fdDataScale = 0) then
2128            begin
2129 <            rdFields[j].fdDataSize := SizeOf(Int64);
2130 <            if RecordNumber >= 0 then
1447 <              LocalInt64 := Qry.Current[i].AsInt64;
1448 <            LocalData := PChar(@LocalInt64);
2129 >            LocalInt64 := ColData.AsInt64;
2130 >            LocalData := PByte(@LocalInt64);
2131            end
2132 <          else if (rdFields[j].fdDataScale >= (-4)) then
2133 <               begin
1452 <                 rdFields[j].fdDataSize := SizeOf(Currency);
1453 <                 if RecordNumber >= 0 then
1454 <                   LocalCurrency := Qry.Current[i].AsCurrency;
1455 <                   LocalData := PChar(@LocalCurrency);
1456 <               end
1457 <               else begin
1458 <                  rdFields[j].fdDataSize := SizeOf(Double);
1459 <                  if RecordNumber >= 0 then
1460 <                    LocalDouble := Qry.Current[i].AsDouble;
1461 <                  LocalData := PChar(@LocalDouble);
1462 <               end
1463 <        end;
1464 <        SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1465 <        begin
1466 <          rdFields[j].fdDataSize := SizeOf(Double);
1467 <          if RecordNumber >= 0 then
1468 <            LocalDouble := Qry.Current[i].AsDouble;
1469 <          LocalData := PChar(@LocalDouble);
1470 <        end;
1471 <        SQL_VARYING:
1472 <        begin
1473 <          rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
1474 <          rdFields[j].fdDataLength := isc_vax_integer(Qry.Current[i].Data^.sqldata, 2);
1475 <          if RecordNumber >= 0 then
2132 >          else
2133 >          if (fdDataScale >= (-4)) then
2134            begin
2135 <            if (rdFields[j].fdDataLength = 0) then
2136 <              LocalData := nil
2135 >            LocalCurrency := ColData.AsCurrency;
2136 >            LocalData := PByte(@LocalCurrency);
2137 >            end
2138              else
2139              begin
2140 <              temp :=  Qry.Current[i];
2141 <              LocalData := @temp.Data^.sqldata[2];
2142 < (*              LocalData := @Qry.Current[i].Data^.sqldata[2];*)
1484 <            end;
1485 <          end;
2140 >              LocalDouble := ColData.AsDouble;
2141 >              LocalData := PByte(@LocalDouble);
2142 >            end
2143          end;
2144 <        else { SQL_TEXT, SQL_BLOB, SQL_ARRAY, SQL_QUAD }
2144 >        SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
2145          begin
2146 <          rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen;
2147 <          if (rdFields[j].fdDataType = SQL_TEXT) then
1491 <            rdFields[j].fdDataLength := rdFields[j].fdDataSize;
2146 >          LocalDouble := ColData.AsDouble;
2147 >          LocalData := PByte(@LocalDouble);
2148          end;
2149 <      end;
1494 <      if RecordNumber < 0 then
1495 <      begin
1496 <        rdFields[j].fdIsNull := True;
1497 <        rdFields[j].fdDataOfs := FRecordSize;
1498 <        Inc(FRecordSize, rdFields[j].fdDataSize);
1499 <      end
1500 <      else begin
1501 <        if rdFields[j].fdDataType = SQL_VARYING then
2149 >        SQL_BOOLEAN:
2150          begin
2151 <          if LocalData <> nil then
2152 <            Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataLength)
2153 <        end
1506 <        else
1507 <          Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataSize)
2151 >          LocalBool := ColData.AsBoolean;
2152 >          LocalData := PByte(@LocalBool);
2153 >        end;
2154        end;
2155 +
2156 +      if fdDataType = SQL_VARYING then
2157 +        Move(LocalData^, Buffer[fdDataOfs], fdDataLength)
2158 +      else
2159 +        Move(LocalData^, Buffer[fdDataOfs], fdDataSize)
2160 +    end
2161 +    else {Null column}
2162 +    if fdDataType = SQL_VARYING then
2163 +      FillChar(Buffer[fdDataOfs],fdDataLength,0)
2164 +    else
2165 +      FillChar(Buffer[fdDataOfs],fdDataSize,0);
2166 +  end;
2167 + end;
2168 +
2169 + { Read the record from FQSelect.Current into the record buffer
2170 +  Then write the buffer to in memory cache }
2171 + procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL;
2172 +  RecordNumber: Integer; Buffer: PChar);
2173 + var
2174 +  pbd: PBlobDataArray;
2175 +  pda: PArrayDataArray;
2176 +  i, j: Integer;
2177 +  FieldsLoaded: Integer;
2178 +  p: PRecordData;
2179 + begin
2180 +  if RecordNumber = -1 then
2181 +  begin
2182 +    InitModelBuffer(Qry,Buffer);
2183 +    Exit;
2184 +  end;
2185 +  p := PRecordData(Buffer);
2186 +  { Make sure blob cache is empty }
2187 +  pbd := PBlobDataArray(Buffer + FBlobCacheOffset);
2188 +  pda := PArrayDataArray(Buffer + FArrayCacheOffset);
2189 +  for i := 0 to BlobFieldCount - 1 do
2190 +    pbd^[i] := nil;
2191 +  for i := 0 to ArrayFieldCount - 1 do
2192 +    pda^[i] := nil;
2193 +
2194 +  { Get record information }
2195 +  p^.rdBookmarkFlag := bfCurrent;
2196 +  p^.rdFieldCount := Qry.FieldCount;
2197 +  p^.rdRecordNumber := RecordNumber;
2198 +  p^.rdUpdateStatus := usUnmodified;
2199 +  p^.rdCachedUpdateStatus := cusUnmodified;
2200 +  p^.rdSavedOffset := $FFFFFFFF;
2201 +
2202 +  { Load up the fields }
2203 +  FieldsLoaded := FQSelect.MetaData.Count;
2204 +  j := 1;
2205 +  for i := 0 to Qry.FieldCount - 1 do
2206 +  begin
2207 +    if (Qry = FQSelect) then
2208 +      j := i + 1
2209 +    else
2210 +    begin
2211 +      if FieldsLoaded = 0 then
2212 +        break;
2213 +      j := FQSelect.FieldIndex[Qry[i].Name] + 1;
2214 +      if j < 1 then
2215 +        continue
2216 +      else
2217 +        Dec(FieldsLoaded);
2218      end;
2219 +    with FQSelect.MetaData[j - 1] do
2220 +      if GetAliasname = 'IBX_INTERNAL_DBKEY' then {do not localize}
2221 +      begin
2222 +        if (GetSize <= 8) then
2223 +          p^.rdDBKey := PIBDBKEY(Qry[i].AsPointer)^;
2224 +        continue;
2225 +      end;
2226 +    if j > 0 then
2227 +      ColumnDataToBuffer(Qry.Current,i,j,Buffer);
2228    end;
2229 <  WriteRecordCache(RecordNumber, PChar(p));
2229 >  WriteRecordCache(RecordNumber, Buffer);
2230   end;
2231  
2232   function TIBCustomDataSet.GetActiveBuf: PChar;
# Line 1553 | Line 2271 | begin
2271    result := FBase.Database;
2272   end;
2273  
1556 function TIBCustomDataSet.GetDBHandle: PISC_DB_HANDLE;
1557 begin
1558  result := FBase.DBHandle;
1559 end;
1560
2274   function TIBCustomDataSet.GetDeleteSQL: TStrings;
2275   begin
2276    result := FQDelete.SQL;
# Line 1568 | Line 2281 | begin
2281    result := FQInsert.SQL;
2282   end;
2283  
2284 < function TIBCustomDataSet.GetSQLParams: TIBXSQLDA;
2284 > function TIBCustomDataSet.GetSQLParams: ISQLParams;
2285   begin
2286    if not FInternalPrepared then
2287      InternalPrepare;
# Line 1585 | Line 2298 | begin
2298    result := FQSelect.SQL;
2299   end;
2300  
2301 < function TIBCustomDataSet.GetStatementType: TIBSQLTypes;
2301 > function TIBCustomDataSet.GetStatementType: TIBSQLStatementTypes;
2302   begin
2303 <  result := FQSelect.SQLType;
2303 >  result := FQSelect.SQLStatementType;
2304   end;
2305  
2306   function TIBCustomDataSet.GetModifySQL: TStrings;
# Line 1600 | Line 2313 | begin
2313    result := FBase.Transaction;
2314   end;
2315  
1603 function TIBCustomDataSet.GetTRHandle: PISC_TR_HANDLE;
1604 begin
1605  result := FBase.TRHandle;
1606 end;
1607
2316   procedure TIBCustomDataSet.InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer);
2317   begin
2318    if (Assigned(FUpdateObject) and (FUpdateObject.GetSQL(ukDelete).Text <> '')) then
2319      FUpdateObject.Apply(ukDelete,Buff)
2320    else
2321    begin
2322 <    SetInternalSQLParams(FQDelete, Buff);
2322 >    SetInternalSQLParams(FQDelete.Params, Buff);
2323      FQDelete.ExecQuery;
2324    end;
2325    with PRecordData(Buff)^ do
# Line 1626 | Line 2334 | function TIBCustomDataSet.InternalLocate
2334    const KeyValues: Variant; Options: TLocateOptions): Boolean;
2335   var
2336    keyFieldList: TList;
1629  {$IF FPC_FULLVERSION > 20600 }
2337    CurBookmark: TBookmark;
1631  {$ELSE}
1632  CurBookmark: string;
1633  {$ENDIF}
2338    fieldValue: Variant;
2339    lookupValues: array of variant;
2340    i, fieldCount: Integer;
# Line 1712 | Line 2416 | end;
2416  
2417   procedure TIBCustomDataSet.InternalPostRecord(Qry: TIBSQL; Buff: Pointer);
2418   var
2419 <  i, j, k: Integer;
2419 >  i, j, k, arr: Integer;
2420    pbd: PBlobDataArray;
2421 +  pda: PArrayDataArray;
2422   begin
2423    pbd := PBlobDataArray(PChar(Buff) + FBlobCacheOffset);
2424 <  j := 0;
2424 >  pda := PArrayDataArray(PChar(Buff) + FArrayCacheOffset);
2425 >  j := 0; arr := 0;
2426    for i := 0 to FieldCount - 1 do
2427      if Fields[i].IsBlob then
2428      begin
# Line 1725 | Line 2431 | begin
2431        begin
2432          pbd^[j].Finalize;
2433          PISC_QUAD(
2434 <          PChar(Buff) + PRecordData(Buff)^.rdFields[k].fdDataOfs)^ :=
2434 >          PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ :=
2435            pbd^[j].BlobID;
2436          PRecordData(Buff)^.rdFields[k].fdIsNull := pbd^[j].Size = 0;
2437 +      end
2438 +      else
2439 +      begin
2440 +        PRecordData(Buff)^.rdFields[k].fdIsNull := true;
2441 +        with PISC_QUAD(PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ do
2442 +        begin
2443 +          gds_quad_high := 0;
2444 +          gds_quad_low := 0;
2445 +        end;
2446        end;
2447        Inc(j);
2448 +    end
2449 +    else
2450 +    if Fields[i] is TIBArrayField then
2451 +    begin
2452 +      if pda^[arr] <> nil then
2453 +      begin
2454 +        k := FMappedFieldPosition[Fields[i].FieldNo -1];
2455 +        PISC_QUAD(
2456 +          PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ :=  pda^[arr].ArrayIntf.GetArrayID;
2457 +        PRecordData(Buff)^.rdFields[k].fdIsNull := pda^[arr].ArrayIntf.IsEmpty;
2458 +      end;
2459 +      Inc(arr);
2460      end;
2461 +  FBufferUpdatedOnQryReturn := false;
2462    if Assigned(FUpdateObject) then
2463    begin
2464      if (Qry = FQDelete) then
# Line 1741 | Line 2469 | begin
2469        FUpdateObject.Apply(ukModify,Buff);
2470    end
2471    else begin
2472 <    SetInternalSQLParams(Qry, Buff);
2472 >    SetInternalSQLParams(Qry.Params, Buff);
2473      Qry.ExecQuery;
2474 +    if Qry.FieldCount > 0 then {Has RETURNING Clause}
2475 +      UpdateRecordFromQuery(Qry.Current,Buff);
2476    end;
2477    PRecordData(Buff)^.rdUpdateStatus := usUnmodified;
2478    PRecordData(Buff)^.rdCachedUpdateStatus := cusUnmodified;
2479    SetModified(False);
2480    WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Buff);
2481 <  if (FForcedRefresh or FNeedsRefresh) and CanRefresh then
2481 >  if (FForcedRefresh or (FNeedsRefresh and not FBufferUpdatedOnQryReturn)) and CanRefresh then
2482      InternalRefreshRow;
2483   end;
2484  
2485   procedure TIBCustomDataSet.InternalRefreshRow;
2486   var
2487    Buff: PChar;
1758  SetCursor: Boolean;
2488    ofs: DWORD;
2489    Qry: TIBSQL;
2490   begin
2491 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
1763 <  if SetCursor then
1764 <    Screen.Cursor := crHourGlass;
2491 >  FBase.SetCursor;
2492    try
2493      Buff := GetActiveBuf;
2494      if CanRefresh then
# Line 1778 | Line 2505 | begin
2505          end
2506          else
2507            Qry := FQRefresh;
2508 <        SetInternalSQLParams(Qry, Buff);
2508 >        SetInternalSQLParams(Qry.Params, Buff);
2509          Qry.ExecQuery;
2510          try
2511 <          if (Qry.SQLType = SQLExecProcedure) or
1785 <             (Qry.Next <> nil) then
2511 >          if (Qry.SQLStatementType = SQLExecProcedure) or Qry.Next then
2512            begin
2513              ofs := PRecordData(Buff)^.rdSavedOffset;
2514              FetchCurrentRecordToBuffer(Qry,
# Line 1805 | Line 2531 | begin
2531      else
2532        IBError(ibxeCannotRefresh, [nil]);
2533    finally
2534 <    if SetCursor and (Screen.Cursor = crHourGlass) then
1809 <      Screen.Cursor := crDefault;
2534 >    FBase.RestoreCursor;
2535    end;
2536   end;
2537  
# Line 1876 | Line 2601 | begin
2601   end;
2602  
2603   procedure TIBCustomDataSet.InternalPrepare;
1879 var
1880  SetCursor: Boolean;
1881  DidActivate: Boolean;
2604   begin
2605    if FInternalPrepared then
2606      Exit;
2607 <  DidActivate := False;
1886 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
1887 <  if SetCursor then
1888 <    Screen.Cursor := crHourGlass;
2607 >  FBase.SetCursor;
2608    try
2609      ActivateConnection;
2610 <    DidActivate := ActivateTransaction;
2610 >    ActivateTransaction;
2611      FBase.CheckDatabase;
2612      FBase.CheckTransaction;
2613 +    if HasParser and (FParser.SQLText <> FQSelect.SQL.Text) then
2614 +    begin
2615 +      FQSelect.OnSQLChanged := nil; {Do not react to change}
2616 +      try
2617 +        FQSelect.SQL.Text := FParser.SQLText;
2618 +      finally
2619 +        FQSelect.OnSQLChanged := SQLChanged;
2620 +      end;
2621 +    end;
2622 + //   writeln( FQSelect.SQL.Text);
2623      if FQSelect.SQL.Text <> '' then
2624      begin
2625        if not FQSelect.Prepared then
2626        begin
2627 +        FQSelect.GenerateParamNames := FGenerateParamNames;
2628          FQSelect.ParamCheck := ParamCheck;
2629          FQSelect.Prepare;
2630        end;
2631 +      FQDelete.GenerateParamNames := FGenerateParamNames;
2632        if (Trim(FQDelete.SQL.Text) <> '') and (not FQDelete.Prepared) then
2633          FQDelete.Prepare;
2634 +      FQInsert.GenerateParamNames := FGenerateParamNames;
2635        if (Trim(FQInsert.SQL.Text) <> '') and (not FQInsert.Prepared) then
2636          FQInsert.Prepare;
2637 +      FQRefresh.GenerateParamNames := FGenerateParamNames;
2638        if (Trim(FQRefresh.SQL.Text) <> '') and (not FQRefresh.Prepared) then
2639          FQRefresh.Prepare;
2640 +      FQModify.GenerateParamNames := FGenerateParamNames;
2641        if (Trim(FQModify.SQL.Text) <> '') and (not FQModify.Prepared) then
2642          FQModify.Prepare;
2643        FInternalPrepared := True;
# Line 1911 | Line 2645 | begin
2645      end else
2646        IBError(ibxeEmptyQuery, [nil]);
2647    finally
2648 <    if DidActivate then
1915 <      DeactivateTransaction;
1916 <    if SetCursor and (Screen.Cursor = crHourGlass) then
1917 <      Screen.Cursor := crDefault;
2648 >    FBase.RestoreCursor;
2649    end;
2650   end;
2651  
# Line 1943 | Line 2674 | var
2674    begin
2675      CopyRecordBuffer(Buffer, OldBuffer);
2676      if BlobFieldCount > 0 then
2677 <      FillChar(PChar(OldBuffer)[FBlobCacheOffset], BlobFieldCount * SizeOf(TIBBlobStream),
2677 >      FillChar(PChar(OldBuffer)[FBlobCacheOffset],
2678 >               BlobFieldCount * SizeOf(TIBBlobStream) + ArrayFieldCount * SizeOf(IArray),
2679                 0);
2680    end;
2681  
# Line 1985 | Line 2717 | begin
2717    if (FBase.Database <> Value) then
2718    begin
2719      CheckDatasetClosed;
2720 +    InternalUnPrepare;
2721      FBase.Database := Value;
2722      FQDelete.Database := Value;
2723      FQInsert.Database := Value;
2724      FQRefresh.Database := Value;
2725      FQSelect.Database := Value;
2726      FQModify.Database := Value;
2727 +    FDatabaseInfo.Database := Value;
2728 +    FGeneratorField.Database := Value;
2729    end;
2730   end;
2731  
# Line 2012 | Line 2747 | begin
2747    end;
2748   end;
2749  
2750 < procedure TIBCustomDataSet.SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer);
2750 > procedure TIBCustomDataSet.SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer);
2751   var
2752    i, j: Integer;
2753    cr, data: PChar;
2754 <  fn, st: string;
2754 >  fn: string;
2755 >  st: RawByteString;
2756    OldBuffer: Pointer;
2757    ts: TTimeStamp;
2758 +  Param: ISQLParam;
2759   begin
2760    if (Buffer = nil) then
2761      IBError(ibxeBufferNotSet, [nil]);
# Line 2026 | Line 2763 | begin
2763      InternalPrepare;
2764    OldBuffer := nil;
2765    try
2766 <    for i := 0 to Qry.Params.Count - 1 do
2766 >    for i := 0 to Params.GetCount - 1 do
2767      begin
2768 <      fn := Qry.Params[i].Name;
2768 >      Param := Params[i];
2769 >      fn := Param.Name;
2770        if (Pos('OLD_', fn) = 1) then {mbcs ok}
2771        begin
2772          fn := Copy(fn, 5, Length(fn));
# Line 2048 | Line 2786 | begin
2786               cr := Buffer;
2787        j := FQSelect.FieldIndex[fn] + 1;
2788        if (j > 0) then
2789 <        with PRecordData(cr)^ do
2789 >        with PRecordData(cr)^,rdFields[j], FFieldColumns^[j] do
2790          begin
2791 <          if Qry.Params[i].name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2791 >          if Param.name = 'IBX_INTERNAL_DBKEY' then {do not localize}
2792            begin
2793 <            PIBDBKey(Qry.Params[i].AsPointer)^ := rdDBKey;
2793 >            PIBDBKey(Param.AsPointer)^ := rdDBKey;
2794              continue;
2795            end;
2796 <          if rdFields[j].fdIsNull then
2797 <            Qry.Params[i].IsNull := True
2796 >          if fdIsNull then
2797 >            Param.IsNull := True
2798            else begin
2799 <            Qry.Params[i].IsNull := False;
2800 <            data := cr + rdFields[j].fdDataOfs;
2801 <            case rdFields[j].fdDataType of
2799 >            Param.IsNull := False;
2800 >            data := cr + fdDataOfs;
2801 >            case fdDataType of
2802                SQL_TEXT, SQL_VARYING:
2803                begin
2804 <                SetString(st, data, rdFields[j].fdDataLength);
2805 <                Qry.Params[i].AsString := st;
2804 >                SetString(st, data, fdDataLength);
2805 >                SetCodePage(st,fdCodePage,false);
2806 >                Param.AsString := st;
2807                end;
2808              SQL_FLOAT, SQL_DOUBLE, SQL_D_FLOAT:
2809 <              Qry.Params[i].AsDouble := PDouble(data)^;
2809 >              Param.AsDouble := PDouble(data)^;
2810              SQL_SHORT, SQL_LONG:
2811              begin
2812 <              if rdFields[j].fdDataScale = 0 then
2813 <                Qry.Params[i].AsLong := PLong(data)^
2814 <              else if rdFields[j].fdDataScale >= (-4) then
2815 <                Qry.Params[i].AsCurrency := PCurrency(data)^
2812 >              if fdDataScale = 0 then
2813 >                Param.AsLong := PLong(data)^
2814 >              else
2815 >              if fdDataScale >= (-4) then
2816 >                Param.AsCurrency := PCurrency(data)^
2817                else
2818 <                Qry.Params[i].AsDouble := PDouble(data)^;
2818 >                Param.AsDouble := PDouble(data)^;
2819              end;
2820              SQL_INT64:
2821              begin
2822 <              if rdFields[j].fdDataScale = 0 then
2823 <                Qry.Params[i].AsInt64 := PInt64(data)^
2084 <              else if rdFields[j].fdDataScale >= (-4) then
2085 <                Qry.Params[i].AsCurrency := PCurrency(data)^
2822 >              if fdDataScale = 0 then
2823 >                Param.AsInt64 := PInt64(data)^
2824                else
2825 <                Qry.Params[i].AsDouble := PDouble(data)^;
2825 >              if fdDataScale >= (-4) then
2826 >                Param.AsCurrency := PCurrency(data)^
2827 >              else
2828 >                Param.AsDouble := PDouble(data)^;
2829              end;
2830              SQL_BLOB, SQL_ARRAY, SQL_QUAD:
2831 <              Qry.Params[i].AsQuad := PISC_QUAD(data)^;
2832 <            SQL_TYPE_DATE:
2833 <            begin
2093 <              ts.Date := PInt(data)^;
2094 <              ts.Time := 0;
2095 <              Qry.Params[i].AsDate :=
2096 <                TimeStampToDateTime(ts);
2097 <            end;
2098 <            SQL_TYPE_TIME:
2099 <            begin
2100 <              ts.Date := 0;
2101 <              ts.Time := PInt(data)^;
2102 <              Qry.Params[i].AsTime :=
2103 <                TimeStampToDateTime(ts);
2104 <            end;
2831 >              Param.AsQuad := PISC_QUAD(data)^;
2832 >            SQL_TYPE_DATE,
2833 >            SQL_TYPE_TIME,
2834              SQL_TIMESTAMP:
2835 <              Qry.Params[i].AsDateTime :=
2836 <                       TimeStampToDateTime(MSecsToTimeStamp(trunc(PDouble(data)^)));
2835 >            {This is an IBX native format and not the TDataset approach. See also SetFieldData}
2836 >              Param.AsDateTime := PDateTime(data)^;
2837 >            SQL_BOOLEAN:
2838 >              Param.AsBoolean := PWordBool(data)^;
2839            end;
2840          end;
2841        end;
# Line 2153 | Line 2884 | begin
2884      FQRefresh.Transaction := Value;
2885      FQSelect.Transaction := Value;
2886      FQModify.Transaction := Value;
2887 +    FGeneratorField.Transaction := Value;
2888    end;
2889   end;
2890  
# Line 2190 | Line 2922 | begin
2922    end;
2923   end;
2924  
2925 + procedure TIBCustomDataSet.RegisterIBLink(Sender: TIBControlLink);
2926 + begin
2927 +  if FIBLinks.IndexOf(Sender) = -1 then
2928 +    FIBLinks.Add(Sender);
2929 + end;
2930 +
2931  
2932   procedure TIBCustomDataSet.SQLChanging(Sender: TObject);
2933   begin
2934 <  if FOpen then
2935 <    InternalClose;
2934 >  Active := false;
2935 > {  if FOpen then
2936 >    InternalClose;}
2937    if FInternalPrepared then
2938      InternalUnPrepare;
2939 +  FieldDefs.Clear;
2940 +  FieldDefs.Updated := false;
2941 + end;
2942 +
2943 + procedure TIBCustomDataSet.SQLChanged(Sender: TObject);
2944 + begin
2945 +  FBaseSQLSelect.assign(FQSelect.SQL);
2946   end;
2947  
2948   { I can "undelete" uninserted records (make them "inserted" again).
# Line 2225 | Line 2971 | begin
2971    end;
2972   end;
2973  
2974 + procedure TIBCustomDataSet.UnRegisterIBLink(Sender: TIBControlLink);
2975 + begin
2976 +  FIBLinks.Remove(Sender);
2977 + end;
2978 +
2979   function TIBCustomDataSet.UpdateStatus: TUpdateStatus;
2980   begin
2981    if Active then
# Line 2241 | Line 2992 | begin
2992    Result := Assigned( FQSelect ) and FQSelect.EOF;
2993   end;
2994  
2995 < function TIBCustomDataSet.ParamByName(ParamName: String): TIBXSQLVAR;
2995 > function TIBCustomDataSet.ParamByName(ParamName: String): ISQLParam;
2996   begin
2997    ActivateConnection;
2998    ActivateTransaction;
# Line 2378 | Line 3129 | var
3129    Buff: PChar;
3130    bTr, bDB: Boolean;
3131   begin
3132 +  if (Field = nil) or (Field.DataSet <> self) then
3133 +    IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3134    Buff := GetActiveBuf;
3135    if Buff = nil then
3136    begin
3137      fs := TIBBlobStream.Create;
3138      fs.Mode := bmReadWrite;
3139 +    fs.Database := Database;
3140 +    fs.Transaction := Transaction;
3141 +    fs.SetField(Field);
3142      FBlobStreamList.Add(Pointer(fs));
3143      result := TIBDSBlobStream.Create(Field, fs, Mode);
3144      exit;
# Line 2397 | Line 3153 | begin
3153      fs.Mode := bmReadWrite;
3154      fs.Database := Database;
3155      fs.Transaction := Transaction;
3156 +    fs.SetField(Field);
3157      fs.BlobID :=
3158 <      PISC_QUAD(@Buff[PRecordData(Buff)^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3158 >      PISC_QUAD(@Buff[FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^;
3159      if (CachedUpdates) then
3160      begin
3161        bTr := not Transaction.InTransaction;
# Line 2419 | Line 3176 | begin
3176    result := TIBDSBlobStream.Create(Field, fs, Mode);
3177   end;
3178  
3179 + function TIBCustomDataSet.GetArray(Field: TIBArrayField): IArray;
3180 + var Buff: PChar;
3181 +    pda: PArrayDataArray;
3182 +    bTr, bDB: Boolean;
3183 + begin
3184 +  if (Field = nil) or (Field.DataSet <> self) then
3185 +    IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3186 +  Buff := GetActiveBuf;
3187 +  if Buff = nil then
3188 +    Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3189 +                              Field.FRelationName,Field.FieldName)
3190 +  else
3191 +  begin
3192 +    pda := PArrayDataArray(Buff + FArrayCacheOffset);
3193 +    if pda^[Field.FCacheOffset] = nil then
3194 +    begin
3195 +      AdjustRecordOnInsert(Buff);
3196 +      if Field.IsNull then
3197 +        Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,
3198 +                                Field.FRelationName,Field.FieldName)
3199 +      else
3200 +        Result := Database.Attachment.OpenArray(Transaction.TransactionIntf,
3201 +                            Field.FRelationName,Field.FieldName,Field.ArrayID);
3202 +      pda^[Field.FCacheOffset] := TIBArray.Create(Field,Result);
3203 +      FArrayList.Add(pda^[Field.FCacheOffset]);
3204 +      if (CachedUpdates) then
3205 +      begin
3206 +        bTr := not Transaction.InTransaction;
3207 +        bDB := not Database.Connected;
3208 +        if bDB then
3209 +          Database.Open;
3210 +        if bTr then
3211 +          Transaction.StartTransaction;
3212 +         pda^[Field.FCacheOffset].ArrayIntf.PreLoad;
3213 +        if bTr then
3214 +          Transaction.Commit;
3215 +        if bDB then
3216 +          Database.Close;
3217 +      end;
3218 +      WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3219 +    end
3220 +    else
3221 +      Result := pda^[Field.FCacheOffset].ArrayIntf;
3222 +  end;
3223 + end;
3224 +
3225 + procedure TIBCustomDataSet.SetArrayIntf(AnArray: IArray; Field: TIBArrayField);
3226 + var Buff: PChar;
3227 +    pda: PArrayDataArray;
3228 + begin
3229 +  if (Field = nil) or (Field.DataSet <> self) then
3230 +    IBError(ibxFieldNotinDataSet,[Field.Name,Name]);
3231 +  Buff := GetActiveBuf;
3232 +  if Buff <> nil then
3233 +  begin
3234 +    AdjustRecordOnInsert(Buff);
3235 +    pda := PArrayDataArray(Buff + FArrayCacheOffset);
3236 +    pda^[Field.FCacheOffset].FArray := AnArray;
3237 +    WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff));
3238 +  end;
3239 + end;
3240 +
3241   function TIBCustomDataSet.CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer;
3242   const
3243    CMPLess = -1;
# Line 2454 | Line 3273 | begin
3273    inherited DoBeforeDelete;
3274   end;
3275  
3276 + procedure TIBCustomDataSet.DoAfterDelete;
3277 + begin
3278 +  inherited DoAfterDelete;
3279 +  FBase.DoAfterDelete(self);
3280 +  InternalAutoCommit;
3281 + end;
3282 +
3283   procedure TIBCustomDataSet.DoBeforeEdit;
3284   var
3285    Buff: PRecordData;
# Line 2468 | Line 3294 | begin
3294    inherited DoBeforeEdit;
3295   end;
3296  
3297 + procedure TIBCustomDataSet.DoAfterEdit;
3298 + begin
3299 +  inherited DoAfterEdit;
3300 +  FBase.DoAfterEdit(self);
3301 + end;
3302 +
3303   procedure TIBCustomDataSet.DoBeforeInsert;
3304   begin
3305    if not CanInsert then
# Line 2480 | Line 3312 | begin
3312    if GeneratorField.ApplyOnEvent = gaeOnNewRecord then
3313      GeneratorField.Apply;
3314    inherited DoAfterInsert;
3315 +  FBase.DoAfterInsert(self);
3316 + end;
3317 +
3318 + procedure TIBCustomDataSet.DoBeforeClose;
3319 + begin
3320 +  inherited DoBeforeClose;
3321 +  if FInTransactionEnd and (FCloseAction = TARollback) then
3322 +     Exit;
3323 +  if State in [dsInsert,dsEdit] then
3324 +  begin
3325 +    if DataSetCloseAction = dcSaveChanges then
3326 +      Post;
3327 +      {Note this can fail with an exception e.g. due to
3328 +       database validation error. In which case the dataset remains open }
3329 +  end;
3330 +  if FCachedUpdates and FUpdatesPending and (DataSetCloseAction = dcSaveChanges) then
3331 +    ApplyUpdates;
3332 + end;
3333 +
3334 + procedure TIBCustomDataSet.DoBeforeOpen;
3335 + var i: integer;
3336 + begin
3337 +  if assigned(FParser) then
3338 +     FParser.Reset;
3339 +  for i := 0 to FIBLinks.Count - 1 do
3340 +    TIBControlLink(FIBLinks[i]).UpdateSQL(self);
3341 +  inherited DoBeforeOpen;
3342 +  for i := 0 to FIBLinks.Count - 1 do
3343 +    TIBControlLink(FIBLinks[i]).UpdateParams(self);
3344   end;
3345  
3346   procedure TIBCustomDataSet.DoBeforePost;
# Line 2490 | Line 3351 | begin
3351       GeneratorField.Apply
3352   end;
3353  
3354 + procedure TIBCustomDataSet.DoAfterPost;
3355 + begin
3356 +  inherited DoAfterPost;
3357 +  FBase.DoAfterPost(self);
3358 +  InternalAutoCommit;
3359 + end;
3360 +
3361   procedure TIBCustomDataSet.FetchAll;
3362   var
2495  SetCursor: Boolean;
2496  {$IF FPC_FULLVERSION > 20600 }
3363    CurBookmark: TBookmark;
3364 <  {$ELSE}
3365 <  CurBookmark: string;
3366 <  {$ENDIF}
2501 < begin
2502 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
2503 <  if SetCursor then
2504 <    Screen.Cursor := crHourGlass;
2505 <  try
3364 > begin
3365 >  FBase.SetCursor;
3366 > try
3367      if FQSelect.EOF or not FQSelect.Open then
3368        exit;
3369      DisableControls;
# Line 2514 | Line 3375 | begin
3375        EnableControls;
3376      end;
3377    finally
3378 <    if SetCursor and (Screen.Cursor = crHourGlass) then
2518 <      Screen.Cursor := crDefault;
3378 >    FBase.RestoreCursor;
3379    end;
3380   end;
3381  
# Line 2563 | Line 3423 | begin
3423      result := FDataLink.DataSource;
3424   end;
3425  
3426 + function TIBCustomDataSet.GetDBAliasName(FieldNo: integer): string;
3427 + begin
3428 +  Result := FAliasNameMap[FieldNo-1]
3429 + end;
3430 +
3431 + function TIBCustomDataSet.GetFieldDefFromAlias(aliasName: string): TFieldDef;
3432 + var
3433 +   i: integer;
3434 + begin
3435 +   Result := nil;
3436 +   for i := 0 to Length(FAliasNameMap) - 1 do
3437 +       if FAliasNameMap[i] = aliasName then
3438 +       begin
3439 +         Result := FieldDefs[i];
3440 +         Exit
3441 +       end;
3442 + end;
3443 +
3444   function TIBCustomDataSet.GetFieldClass(FieldType: TFieldType): TFieldClass;
3445   begin
3446    Result := DefaultFieldClasses[FieldType];
# Line 2593 | Line 3471 | begin
3471      if result and (Buffer <> nil) then
3472        Move(Buff[1], Buffer^, Field.DataSize);
3473    end
3474 <  else if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3474 >  else
3475 >  if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
3476       (FMappedFieldPosition[Field.FieldNo - 1] <= CurrentRecord^.rdFieldCount) then
3477 +  with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]],
3478 +                         FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]] do
3479    begin
3480 <    result := not CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull;
3480 >    result := not fdIsNull;
3481      if result and (Buffer <> nil) then
2601      with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]] do
3482        begin
3483 <        Data := Buff + CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs;
3483 >        Data := Buff + fdDataOfs;
3484          if (fdDataType = SQL_VARYING) or (fdDataType = SQL_TEXT) then
3485          begin
3486 <          if fdDataLength <= Field.Size then
3486 >          if fdDataLength < Field.DataSize then
3487            begin
3488              Move(Data^, Buffer^, fdDataLength);
3489              PChar(Buffer)[fdDataLength] := #0;
# Line 2652 | Line 3532 | begin
3532          if not Accept and (GetMode = gmCurrent) then
3533            GetMode := gmPrior;
3534        except
3535 < //        Application.HandleException(Self);
3535 > //        FBase.HandleException(Self);
3536        end;
3537      end;
3538      RestoreState(SaveState);
# Line 2671 | Line 3551 | begin
3551          if FCurrentRecord < FRecordCount then
3552            ReadRecordCache(FCurrentRecord, Buffer, False)
3553          else begin
3554 <          while (not FQSelect.EOF) and
2675 <                (FQSelect.Next <> nil) and
3554 >          while (not FQSelect.EOF) and FQSelect.Next  and
3555                  (FCurrentRecord >= FRecordCount) do begin
3556              FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
3557              Inc(FRecordCount);
# Line 2746 | Line 3625 | begin
3625    result := FRecordBufferSize;
3626   end;
3627  
3628 + procedure TIBCustomDataSet.InternalAutoCommit;
3629 + begin
3630 +  with Transaction do
3631 +    if InTransaction and (FAutoCommit = acCommitRetaining) then
3632 +    begin
3633 +      if CachedUpdates then ApplyUpdates;
3634 +      CommitRetaining;
3635 +    end;
3636 + end;
3637 +
3638   procedure TIBCustomDataSet.InternalAddRecord(Buffer: Pointer; Append: Boolean);
3639   begin
3640    CheckEditState;
# Line 2773 | Line 3662 | procedure TIBCustomDataSet.InternalCance
3662   var
3663    Buff: PChar;
3664    CurRec: Integer;
3665 +  pda: PArrayDataArray;
3666 +  i: integer;
3667   begin
3668    inherited InternalCancel;
3669    Buff := GetActiveBuf;
3670 <  if Buff <> nil then begin
3670 >  if Buff <> nil then
3671 >  begin
3672 >    pda := PArrayDataArray(Buff + FArrayCacheOffset);
3673 >    for i := 0 to ArrayFieldCount - 1 do
3674 >      pda^[i].ArrayIntf.CancelChanges;
3675      CurRec := FCurrentRecord;
3676      AdjustRecordOnInsert(Buff);
3677      if (State = dsEdit) then begin
# Line 2799 | Line 3694 | begin
3694      DeactivateTransaction;
3695    FQSelect.Close;
3696    ClearBlobCache;
3697 +  ClearArrayCache;
3698    FreeRecordBuffer(FModelBuffer);
3699    FreeRecordBuffer(FOldBuffer);
3700    FCurrentRecord := -1;
# Line 2814 | Line 3710 | begin
3710    FOBEnd := 0;
3711    FreeMem(FBufferCache);
3712    FBufferCache := nil;
3713 +  FreeMem(FFieldColumns);
3714 +  FFieldColumns := nil;
3715    FreeMem(FOldBufferCache);
3716    FOldBufferCache := nil;
3717    BindFields(False);
3718 +  ResetParser;
3719    if DefaultFields then DestroyFields;
3720   end;
3721  
3722   procedure TIBCustomDataSet.InternalDelete;
3723   var
3724    Buff: PChar;
2826  SetCursor: Boolean;
3725   begin
3726 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
2829 <  if SetCursor then
2830 <    Screen.Cursor := crHourGlass;
3726 >  FBase.SetCursor;
3727    try
3728      Buff := GetActiveBuf;
3729      if CanDelete then
# Line 2852 | Line 3748 | begin
3748      end else
3749        IBError(ibxeCannotDelete, [nil]);
3750    finally
3751 <    if SetCursor and (Screen.Cursor = crHourGlass) then
2856 <      Screen.Cursor := crDefault;
3751 >    FBase.RestoreCursor;
3752    end;
3753   end;
3754  
# Line 2869 | Line 3764 | end;
3764  
3765   procedure TIBCustomDataSet.InternalHandleException;
3766   begin
3767 <  Application.HandleException(Self)
3767 >  FBase.HandleException(Self)
3768   end;
3769  
3770   procedure TIBCustomDataSet.InternalInitFieldDefs;
3771 + begin
3772 +  if not InternalPrepared then
3773 +  begin
3774 +    InternalPrepare;
3775 +    exit;
3776 +  end;
3777 +   FieldDefsFromQuery(FQSelect);
3778 + end;
3779 +
3780 + procedure TIBCustomDataSet.FieldDefsFromQuery(SourceQuery: TIBSQL);
3781   const
3782    DefaultSQL = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize}
3783                 'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME ' + {do not localize}
# Line 2881 | Line 3786 | const
3786                 'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3787                 'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3788                 '     (not F.RDB$DEFAULT_VALUE is NULL)) '; {do not localize}
3789 +
3790 +  DefaultSQLODS12 = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize}
3791 +               'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME, R.RDB$IDENTITY_TYPE ' + {do not localize}
3792 +               'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize}
3793 +               'where R.RDB$RELATION_NAME = :RELATION ' +  {do not localize}
3794 +               'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize}
3795 +               'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize}
3796 +               '     (not F.RDB$DEFAULT_VALUE is NULL) or ' + {do not localize}
3797 +               '     ( not R.RDB$IDENTITY_TYPE is NULL))' ; {do not localize}
3798 +
3799   var
3800    FieldType: TFieldType;
3801    FieldSize: Word;
3802 +  FieldDataSize: integer;
3803 +  charSetID: short;
3804 +  CharSetSize: integer;
3805 +  CharSetName: RawByteString;
3806 +  FieldCodePage: TSystemCodePage;
3807    FieldNullable : Boolean;
3808    i, FieldPosition, FieldPrecision: Integer;
3809 <  FieldAliasName: string;
3810 <  RelationName, FieldName: string;
3809 >  FieldAliasName, DBAliasName: string;
3810 >  aRelationName, FieldName: string;
3811    Query : TIBSQL;
3812    FieldIndex: Integer;
3813    FRelationNodes : TRelationNode;
3814 +  aArrayDimensions: integer;
3815 +  aArrayBounds: TArrayBounds;
3816 +  ArrayMetaData: IArrayMetaData;
3817  
3818    function Add_Node(Relation, Field : String) : TRelationNode;
3819    var
# Line 2913 | Line 3836 | var
3836        FField.FieldName := Query.Fields[2].AsString;
3837        FField.DEFAULT_VALUE := not Query.Fields[1].IsNull;
3838        FField.COMPUTED_BLR := not Query.Fields[0].IsNull;
3839 +      FField.IDENTITY_COLUMN := (Query.FieldCount > 3) and not Query.Fields[3].IsNull;
3840        FField.NextField := Result.FieldNodes;
3841        Result.FieldNodes := FField;
3842        Query.Next;
# Line 2966 | Line 3890 | var
3890          FField := Ffield.NextField;
3891    end;
3892  
3893 +  function Is_IDENTITY_COLUMN(Relation, Field : String) : Boolean;
3894 +  var
3895 +    FRelation : TRelationNode;
3896 +    FField : TFieldNode;
3897 +  begin
3898 +    FRelation := FRelationNodes;
3899 +    while Assigned(FRelation) and
3900 +         (FRelation.RelationName <> Relation) do
3901 +      FRelation := FRelation.NextRelation;
3902 +    if not Assigned(FRelation) then
3903 +      FRelation := Add_Node(Relation, Field);
3904 +    Result := false;
3905 +    FField := FRelation.FieldNodes;
3906 +    while Assigned(FField) do
3907 +      if FField.FieldName = Field then
3908 +      begin
3909 +        Result := Ffield.IDENTITY_COLUMN;
3910 +        Exit;
3911 +      end
3912 +      else
3913 +        FField := Ffield.NextField;
3914 +  end;
3915 +
3916    Procedure FreeNodes;
3917    var
3918      FRelation : TRelationNode;
# Line 2986 | Line 3933 | var
3933    end;
3934  
3935   begin
2989  if not InternalPrepared then
2990  begin
2991    InternalPrepare;
2992    exit;
2993  end;
3936    FRelationNodes := TRelationNode.Create;
3937    FNeedsRefresh := False;
3938 <  Database.InternalTransaction.StartTransaction;
3938 >  if not Database.InternalTransaction.InTransaction then
3939 >    Database.InternalTransaction.StartTransaction;
3940    Query := TIBSQL.Create(self);
3941    try
3942      Query.Database := DataBase;
# Line 3001 | Line 3944 | begin
3944      FieldDefs.BeginUpdate;
3945      FieldDefs.Clear;
3946      FieldIndex := 0;
3947 <    if (Length(FMappedFieldPosition) < FQSelect.Current.Count) then
3948 <      SetLength(FMappedFieldPosition, FQSelect.Current.Count);
3949 <    Query.SQL.Text := DefaultSQL;
3947 >    if (Length(FMappedFieldPosition) < SourceQuery.MetaData.Count) then
3948 >      SetLength(FMappedFieldPosition, SourceQuery.MetaData.Count);
3949 >    if FDatabaseInfo.ODSMajorVersion >= 12 then
3950 >      Query.SQL.Text := DefaultSQLODS12
3951 >    else
3952 >      Query.SQL.Text := DefaultSQL;
3953      Query.Prepare;
3954 <    for i := 0 to FQSelect.Current.Count - 1 do
3955 <      with FQSelect.Current[i].Data^ do
3954 >    SetLength(FAliasNameMap, SourceQuery.MetaData.Count);
3955 >    SetLength(FAliasNameList, SourceQuery.MetaData.Count);
3956 >    for i := 0 to SourceQuery.MetaData.GetCount - 1 do
3957 >      with SourceQuery.MetaData[i] do
3958        begin
3959          { Get the field name }
3960 <        SetString(FieldAliasName, aliasname, aliasname_length);
3961 <        SetString(RelationName, relname, relname_length);
3962 <        SetString(FieldName, sqlname, sqlname_length);
3960 >        FieldAliasName := GetName;
3961 >        DBAliasName := GetAliasname;
3962 >        aRelationName := getRelationName;
3963 >        FieldName := getSQLName;
3964 >        FAliasNameList[i] := DBAliasName;
3965          FieldSize := 0;
3966 +        FieldDataSize := GetSize;
3967          FieldPrecision := 0;
3968 <        FieldNullable := FQSelect.Current[i].IsNullable;
3969 <        case sqltype and not 1 of
3968 >        FieldNullable := IsNullable;
3969 >        CharSetSize := 0;
3970 >        CharSetName := '';
3971 >        FieldCodePage := CP_NONE;
3972 >        aArrayDimensions := 0;
3973 >        SetLength(aArrayBounds,0);
3974 >        case SQLType of
3975            { All VARCHAR's must be converted to strings before recording
3976             their values }
3977            SQL_VARYING, SQL_TEXT:
3978            begin
3979 <            FieldSize := sqllen;
3979 >            if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
3980 >              CharSetSize := 1;
3981 >            CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
3982 >            Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
3983 >            FieldSize := FieldDataSize div CharSetSize;
3984              FieldType := ftString;
3985            end;
3986            { All Doubles/Floats should be cast to doubles }
# Line 3028 | Line 3988 | begin
3988              FieldType := ftFloat;
3989            SQL_SHORT:
3990            begin
3991 <            if (sqlscale = 0) then
3991 >            if (getScale = 0) then
3992                FieldType := ftSmallInt
3993              else begin
3994                FieldType := ftBCD;
3995                FieldPrecision := 4;
3996 <              FieldSize := -sqlscale;
3996 >              FieldSize := -getScale;
3997              end;
3998            end;
3999            SQL_LONG:
4000            begin
4001 <            if (sqlscale = 0) then
4001 >            if (getScale = 0) then
4002                FieldType := ftInteger
4003 <            else if (sqlscale >= (-4)) then
4003 >            else if (getScale >= (-4)) then
4004              begin
4005                FieldType := ftBCD;
4006                FieldPrecision := 9;
4007 <              FieldSize := -sqlscale;
4007 >              FieldSize := -getScale;
4008              end
4009              else
4010              if Database.SQLDialect = 1 then
# Line 3056 | Line 4016 | begin
4016              begin
4017                FieldType := ftFMTBCD;
4018                FieldPrecision := 9;
4019 <              FieldSize := -sqlscale;
4019 >              FieldSize := -getScale;
4020              end;
4021            end;
4022  
4023            SQL_INT64:
4024            begin
4025 <            if (sqlscale = 0) then
4025 >            if (getScale = 0) then
4026                FieldType := ftLargeInt
4027 <            else if (sqlscale >= (-4)) then
4027 >            else if (getScale >= (-4)) then
4028              begin
4029                FieldType := ftBCD;
4030                FieldPrecision := 18;
4031 <              FieldSize := -sqlscale;
4031 >              FieldSize := -getScale;
4032              end
4033              else
4034 <              FieldType := ftFloat
4034 >              FieldType := ftFloat;
4035            end;
4036            SQL_TIMESTAMP: FieldType := ftDateTime;
4037            SQL_TYPE_TIME: FieldType := ftTime;
# Line 3079 | Line 4039 | begin
4039            SQL_BLOB:
4040            begin
4041              FieldSize := sizeof (TISC_QUAD);
4042 <            if (sqlsubtype = 1) then
4043 <              FieldType := ftmemo
4042 >            if (getSubtype = 1) then
4043 >            begin
4044 >              if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then
4045 >                CharSetSize := 1;
4046 >              CharSetName := Database.Attachment.GetCharsetName(getCharSetID);
4047 >              Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage);
4048 >              FieldType := ftMemo;
4049 >            end
4050              else
4051                FieldType := ftBlob;
4052            end;
4053            SQL_ARRAY:
4054            begin
4055              FieldSize := sizeof (TISC_QUAD);
4056 <            FieldType := ftUnknown;
4056 >            FieldType := ftArray;
4057 >            ArrayMetaData := GetArrayMetaData;
4058 >            if ArrayMetaData <> nil then
4059 >            begin
4060 >              aArrayDimensions := ArrayMetaData.GetDimensions;
4061 >              aArrayBounds := ArrayMetaData.GetBounds;
4062 >            end;
4063            end;
4064 +          SQL_BOOLEAN:
4065 +             FieldType:= ftBoolean;
4066            else
4067              FieldType := ftUnknown;
4068          end;
# Line 3097 | Line 4071 | begin
4071          begin
4072            FMappedFieldPosition[FieldIndex] := FieldPosition;
4073            Inc(FieldIndex);
4074 <          with FieldDefs.AddFieldDef do
4074 >          with TIBFieldDef.Create(FieldDefs,'',FieldType,0,False,FieldDefs.Count+1) do
4075            begin
4076              Name := FieldAliasName;
4077 < (*           FieldNo := FieldPosition;*)
3104 <            DataType := FieldType;
4077 >            FAliasNameMap[FieldNo-1] := DBAliasName;
4078              Size := FieldSize;
4079 +            DataSize := FieldDataSize;
4080              Precision := FieldPrecision;
4081              Required := not FieldNullable;
4082 +            RelationName := aRelationName;
4083              InternalCalcField := False;
4084 +            CharacterSetSize := CharSetSize;
4085 +            CharacterSetName := CharSetName;
4086 +            CodePage := FieldCodePage;
4087 +            ArrayDimensions := aArrayDimensions;
4088 +            ArrayBounds := aArrayBounds;
4089              if (FieldName <> '') and (RelationName <> '') then
4090              begin
4091 +              IdentityColumn := Is_IDENTITY_COLUMN(RelationName, FieldName);
4092                if Has_COMPUTED_BLR(RelationName, FieldName) then
4093                begin
4094                  Attributes := [faReadOnly];
# Line 3133 | Line 4114 | begin
4114      FreeNodes;
4115      Database.InternalTransaction.Commit;
4116      FieldDefs.EndUpdate;
4117 +    FieldDefs.Updated := true;
4118    end;
4119   end;
4120  
# Line 3150 | Line 4132 | begin
4132    else begin
4133      Buffer := AllocRecordBuffer;
4134      try
4135 <      while FQSelect.Next <> nil do
4135 >      while FQSelect.Next do
4136        begin
4137          FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer);
4138          Inc(FRecordCount);
# Line 3165 | Line 4147 | end;
4147   procedure TIBCustomDataSet.InternalSetParamsFromCursor;
4148   var
4149    i: Integer;
4150 <  cur_param: TIBXSQLVAR;
4150 >  cur_param: ISQLParam;
4151    cur_field: TField;
4152    s: TStream;
4153   begin
# Line 3173 | Line 4155 | begin
4155      IBError(ibxeEmptyQuery, [nil]);
4156    if not FInternalPrepared then
4157      InternalPrepare;
4158 <  if (SQLParams.Count > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4158 >  if (SQLParams.GetCount > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then
4159    begin
4160 <    for i := 0 to SQLParams.Count - 1 do
4160 >    for i := 0 to SQLParams.GetCount - 1 do
4161      begin
4162        cur_field := DataSource.DataSet.FindField(SQLParams[i].Name);
4163 <      cur_param := SQLParams[i];
4164 <      if (cur_field <> nil) then begin
4163 >      if (cur_field <> nil) then
4164 >      begin
4165 >        cur_param := SQLParams[i];
4166          if (cur_field.IsNull) then
4167            cur_param.IsNull := True
4168 <        else case cur_field.DataType of
4168 >        else
4169 >        case cur_field.DataType of
4170            ftString:
4171              cur_param.AsString := cur_field.AsString;
4172 <          ftBoolean, ftSmallint, ftWord:
4172 >          ftBoolean:
4173 >            cur_param.AsBoolean := cur_field.AsBoolean;
4174 >          ftSmallint, ftWord:
4175              cur_param.AsShort := cur_field.AsInteger;
4176            ftInteger:
4177              cur_param.AsLong := cur_field.AsInteger;
4178            ftLargeInt:
4179 <            cur_param.AsInt64 := TLargeIntField(cur_field).AsLargeInt;
4179 >            cur_param.AsInt64 := cur_field.AsLargeInt;
4180            ftFloat, ftCurrency:
4181             cur_param.AsDouble := cur_field.AsFloat;
4182            ftBCD:
# Line 3207 | Line 4193 | begin
4193              try
4194                s := DataSource.DataSet.
4195                       CreateBlobStream(cur_field, bmRead);
4196 <              cur_param.LoadFromStream(s);
4196 >              cur_param.AsBlob := TIBDSBlobStream(s).FBlobStream.Blob;
4197              finally
4198                s.free;
4199              end;
4200            end;
4201 +          ftArray:
4202 +            cur_param.AsArray := TIBArrayField(cur_field).ArrayIntf;
4203            else
4204              IBError(ibxeNotSupported, [nil]);
4205          end;
# Line 3238 | Line 4226 | begin
4226   end;
4227  
4228   procedure TIBCustomDataSet.InternalOpen;
3241 var
3242  SetCursor: Boolean;
4229  
4230    function RecordDataLength(n: Integer): Long;
4231    begin
# Line 3247 | Line 4233 | var
4233    end;
4234  
4235   begin
4236 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3251 <  if SetCursor then
3252 <    Screen.Cursor := crHourGlass;
4236 >  FBase.SetCursor;
4237    try
4238      ActivateConnection;
4239      ActivateTransaction;
# Line 3257 | Line 4241 | begin
4241        IBError(ibxeEmptyQuery, [nil]);
4242      if not FInternalPrepared then
4243        InternalPrepare;
4244 <   if FQSelect.SQLType = SQLSelect then
4244 >   if FQSelect.SQLStatementType = SQLSelect then
4245     begin
4246        if DefaultFields then
4247          CreateFields;
4248 +      FArrayFieldCount := 0;
4249        BindFields(True);
4250        FCurrentRecord := -1;
4251        FQSelect.ExecQuery;
# Line 3272 | Line 4257 | begin
4257          3. After the dummy fetch, FRecordSize will be appropriately
4258             adjusted to reflect the additional "weight" of the field
4259             data.
4260 <        4. Set up the FCalcFieldsOffset, FBlobCacheOffset and FRecordBufferSize.
4260 >        4. Set up the FCalcFieldsOffset, FBlobCacheOffset, FArrayCacheOffset and FRecordBufferSize.
4261          5. Now, with the BufferSize available, allocate memory for chunks of records
4262          6. Re-allocate the model buffer, accounting for the new
4263             FRecordBufferSize.
4264          7. Finally, calls to AllocRecordBuffer will work!.
4265         }
4266        {Step 1}
4267 <      FRecordSize := RecordDataLength(FQSelect.Current.Count);
4267 >      FRecordSize := RecordDataLength(FQSelect.FieldCount);
4268        {Step 2, 3}
4269 +      GetMem(FFieldColumns,sizeof(TFieldColumns) * (FQSelect.FieldCount));
4270        IBAlloc(FModelBuffer, 0, FRecordSize);
4271 <      FetchCurrentRecordToBuffer(FQSelect, -1, FModelBuffer);
4271 >      InitModelBuffer(FQSelect, FModelBuffer);
4272        {Step 4}
4273        FCalcFieldsOffset := FRecordSize;
4274        FBlobCacheOffset := FCalcFieldsOffset + CalcFieldsSize;
4275 <      FRecordBufferSize := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4275 >      FArrayCacheOffset := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream)));
4276 >      FRecordBufferSize := FArrayCacheOffset + (ArrayFieldCount * sizeof(IArray));
4277        {Step 5}
4278        if UniDirectional then
4279          FBufferChunkSize := FRecordBufferSize * UniCache
# Line 3302 | Line 4289 | begin
4289        FCacheSize := FBufferChunkSize;
4290        FOldCacheSize := FBufferChunkSize;
4291        {Step 6}
4292 <      IBAlloc(FModelBuffer, RecordDataLength(FQSelect.Current.Count),
4292 >      IBAlloc(FModelBuffer, RecordDataLength(FQSelect.FieldCount),
4293                               FRecordBufferSize);
4294        {Step 7}
4295        FOldBuffer := AllocRecordBuffer;
# Line 3310 | Line 4297 | begin
4297      else
4298        FQSelect.ExecQuery;
4299    finally
4300 <    if SetCursor and (Screen.Cursor = crHourGlass) then
3314 <      Screen.Cursor := crDefault;
4300 >    FBase.RestoreCursor;
4301    end;
4302   end;
4303  
# Line 3319 | Line 4305 | procedure TIBCustomDataSet.InternalPost;
4305   var
4306    Qry: TIBSQL;
4307    Buff: PChar;
3322  SetCursor: Boolean;
4308    bInserting: Boolean;
4309   begin
4310 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3326 <  if SetCursor then
3327 <    Screen.Cursor := crHourGlass;
4310 >  FBase.SetCursor;
4311    try
4312      Buff := GetActiveBuf;
4313      CheckEditState;
# Line 3362 | Line 4345 | begin
4345      if bInserting then
4346        Inc(FRecordCount);
4347    finally
4348 <    if SetCursor and (Screen.Cursor = crHourGlass) then
3366 <      Screen.Cursor := crDefault;
4348 >    FBase.RestoreCursor;
4349    end;
4350   end;
4351  
# Line 3383 | Line 4365 | begin
4365    result := FOpen;
4366   end;
4367  
4368 + procedure TIBCustomDataSet.Loaded;
4369 + begin
4370 +  if assigned(FQSelect) then
4371 +    FBaseSQLSelect.assign(FQSelect.SQL);
4372 +  inherited Loaded;
4373 + end;
4374 +
4375 + procedure TIBCustomDataSet.Post;
4376 + var CancelPost: boolean;
4377 + begin
4378 +  CancelPost := false;
4379 +  if assigned(FOnValidatePost) then
4380 +    OnValidatePost(self,CancelPost);
4381 +  if CancelPost then
4382 +    Cancel
4383 +  else
4384 +   inherited Post;
4385 + end;
4386 +
4387   function TIBCustomDataSet.Locate(const KeyFields: string; const KeyValues: Variant;
4388                                   Options: TLocateOptions): Boolean;
4389   var
3389  {$IF FPC_FULLVERSION > 20600 }
4390    CurBookmark: TBookmark;
3391  {$ELSE}
3392  CurBookmark: string;
3393  {$ENDIF}
4391   begin
4392    DisableControls;
4393    try
# Line 3408 | Line 4405 | function TIBCustomDataSet.Lookup(const K
4405                                   const ResultFields: string): Variant;
4406   var
4407    fl: TList;
3411  {$IF FPC_FULLVERSION > 20600 }
4408    CurBookmark: TBookmark;
3413  {$ELSE}
3414  CurBookmark: string;
3415  {$ENDIF}
4409   begin
4410    DisableControls;
4411    fl := TList.Create;
# Line 3465 | Line 4458 | end;
4458   procedure TIBCustomDataSet.InternalSetFieldData(Field: TField; Buffer: Pointer);
4459   var
4460    Buff, TmpBuff: PChar;
4461 +  MappedFieldPos: integer;
4462   begin
4463    Buff := GetActiveBuf;
4464    if Field.FieldNo < 0 then
# Line 3481 | Line 4475 | begin
4475      begin
4476        { If inserting, Adjust record position }
4477        AdjustRecordOnInsert(Buff);
4478 <      if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and
4479 <         (FMappedFieldPosition[Field.FieldNo - 1] <= rdFieldCount) then
4478 >      MappedFieldPos := FMappedFieldPosition[Field.FieldNo - 1];
4479 >      if (MappedFieldPos > 0) and
4480 >         (MappedFieldPos <= rdFieldCount) then
4481 >      with rdFields[MappedFieldPos], FFieldColumns^[MappedFieldPos] do
4482        begin
4483          Field.Validate(Buffer);
4484          if (Buffer = nil) or
4485             (Field is TIBStringField) and (PChar(Buffer)[0] = #0) then
4486 <          rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull := True
4487 <        else begin
4488 <          Move(Buffer^, Buff[rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs],
4489 <                 rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataSize);
4490 <          if (rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataType = SQL_TEXT) or
4491 <             (rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataType = SQL_VARYING) then
4492 <            rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataLength := StrLen(PChar(Buffer));
3497 <          rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull := False;
4486 >          fdIsNull := True
4487 >        else
4488 >        begin
4489 >          Move(Buffer^, Buff[fdDataOfs],fdDataSize);
4490 >          if (fdDataType = SQL_TEXT) or (fdDataType = SQL_VARYING) then
4491 >            fdDataLength := StrLen(PChar(Buffer));
4492 >          fdIsNull := False;
4493            if rdUpdateStatus = usUnmodified then
4494            begin
4495              if CachedUpdates then
# Line 3582 | Line 4577 | begin
4577   FillChar(Buffer[FRecordSize], CalcFieldsSize, 0);
4578   end;
4579  
4580 + procedure TIBCustomDataSet.ClearIBLinks;
4581 + var i: integer;
4582 + begin
4583 +  for i := FIBLinks.Count - 1 downto 0 do
4584 +    TIBControlLink(FIBLinks[i]).IBDataSet := nil;
4585 + end;
4586 +
4587  
4588   procedure TIBCustomDataSet.InternalUnPrepare;
4589   begin
4590    if FInternalPrepared then
4591    begin
4592      CheckDatasetClosed;
4593 +    if FDidActivate then
4594 +      DeactivateTransaction;
4595      FieldDefs.Clear;
4596 +    FieldDefs.Updated := false;
4597      FInternalPrepared := False;
4598 +    Setlength(FAliasNameList,0);
4599    end;
4600   end;
4601  
4602   procedure TIBCustomDataSet.InternalExecQuery;
4603   var
4604    DidActivate: Boolean;
3599  SetCursor: Boolean;
4605   begin
4606    DidActivate := False;
4607 <  SetCursor := (GetCurrentThreadID = MainThreadID) and (Screen.Cursor = crDefault);
3603 <  if SetCursor then
3604 <    Screen.Cursor := crHourGlass;
4607 >  FBase.SetCursor;
4608    try
4609      ActivateConnection;
4610      DidActivate := ActivateTransaction;
# Line 3609 | Line 4612 | begin
4612        IBError(ibxeEmptyQuery, [nil]);
4613      if not FInternalPrepared then
4614        InternalPrepare;
4615 <    if FQSelect.SQLType = SQLSelect then
4615 >    if FQSelect.SQLStatementType = SQLSelect then
4616      begin
4617        IBError(ibxeIsASelectStatement, [nil]);
4618      end
# Line 3618 | Line 4621 | begin
4621    finally
4622      if DidActivate then
4623        DeactivateTransaction;
4624 <    if SetCursor and (Screen.Cursor = crHourGlass) then
4625 <      Screen.Cursor := crDefault;
4624 >    FBase.RestoreCursor;
4625 >  end;
4626 > end;
4627 >
4628 > function TIBCustomDataSet.GetSelectStmtIntf: IStatement;
4629 > begin
4630 >  Result := FQSelect.Statement;
4631 > end;
4632 >
4633 > function TIBCustomDataSet.GetParser: TSelectSQLParser;
4634 > begin
4635 >  if not assigned(FParser) then
4636 >    FParser := CreateParser;
4637 >  Result := FParser
4638 > end;
4639 >
4640 > procedure TIBCustomDataSet.ResetParser;
4641 > begin
4642 >  if assigned(FParser) then
4643 >  begin
4644 >    FParser.Free;
4645 >    FParser := nil;
4646 >    FQSelect.OnSQLChanged := nil; {Do not react to change}
4647 >    try
4648 >      FQSelect.SQL.Assign(FBaseSQLSelect);
4649 >    finally
4650 >      FQSelect.OnSQLChanged := SQLChanged;
4651 >    end;
4652    end;
4653   end;
4654  
4655 < function TIBCustomDataSet.GetSelectStmtHandle: TISC_STMT_HANDLE;
4655 > function TIBCustomDataSet.HasParser: boolean;
4656   begin
4657 <  Result := FQSelect.Handle;
4657 >  Result := not (csDesigning in ComponentState) and (FParser <> nil)
4658 > end;
4659 >
4660 > procedure TIBCustomDataSet.SetGenerateParamNames(AValue: Boolean);
4661 > begin
4662 >  if FGenerateParamNames = AValue then Exit;
4663 >  FGenerateParamNames := AValue;
4664 >  Disconnect
4665   end;
4666  
4667   procedure TIBCustomDataSet.InitRecord(Buffer: PChar);
# Line 3646 | Line 4682 | end;
4682  
4683   { TIBDataSet IProviderSupport }
4684  
4685 < (*procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean);
4685 > procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean);
4686   begin
4687    if Commit then
4688      Transaction.Commit else
# Line 3799 | Line 4835 | begin
4835    Transaction.StartTransaction;
4836   end;
4837  
4838 < function TIBCustomDataSet.PSGetTableName: string;
4838 > function TIBCustomDataSet.PsGetTableName: string;
4839   begin
4840   //  if not FInternalPrepared then
4841   //    InternalPrepare;
# Line 3809 | Line 4845 | begin
4845    if not FQSelect.Prepared then
4846      FQSelect.Prepare;
4847    Result := FQSelect.UniqueRelationName;
4848 < end;*)
4848 > end;
4849  
4850   procedure TIBDataSet.BatchInput(InputObject: TIBBatchInput);
4851   begin
# Line 3894 | Line 4930 | end;
4930   function TIBCustomDataSet.GetFieldData(Field: TField; Buffer: Pointer;
4931    NativeFormat: Boolean): Boolean;
4932   begin
4933 <  if (Field.DataType = ftBCD) and not NativeFormat then
4933 >  {These datatypes use IBX conventions and not TDataset conventions}
4934 >  if (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) and not NativeFormat then
4935      Result := InternalGetFieldData(Field, Buffer)
4936    else
4937      Result := inherited GetFieldData(Field, Buffer, NativeFormat);
# Line 3920 | Line 4957 | end;
4957   procedure TIBCustomDataSet.SetFieldData(Field: TField; Buffer: Pointer;
4958    NativeFormat: Boolean);
4959   begin
4960 <  if (not NativeFormat) and (Field.DataType = ftBCD) then
4960 >  {These datatypes use IBX conventions and not TDataset conventions}
4961 >  if (not NativeFormat) and (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) then
4962      InternalSetfieldData(Field, Buffer)
4963    else
4964      inherited SetFieldData(Field, buffer, NativeFormat);
# Line 3940 | Line 4978 | begin
4978    inherited Destroy;
4979   end;
4980  
4981 < procedure TIBDataSetUpdateObject.SetRefreshSQL(Value: TStrings);
4981 > procedure TIBDataSetUpdateObject.SetRefreshSQL(value: TStrings);
4982   begin
4983    FRefreshSQL.Assign(Value);
4984   end;
4985  
4986 + procedure TIBDataSetUpdateObject.InternalSetParams(Params: ISQLParams;
4987 +  buff: PChar);
4988 + begin
4989 +  if not Assigned(DataSet) then Exit;
4990 +  DataSet.SetInternalSQLParams(Params, buff);
4991 + end;
4992 +
4993   procedure TIBDataSetUpdateObject.InternalSetParams(Query: TIBSQL; buff: PChar);
4994   begin
4995 +  InternalSetParams(Query.Params,buff);
4996 + end;
4997 +
4998 + procedure TIBDataSetUpdateObject.UpdateRecordFromQuery(QryResults: IResults;
4999 +  Buffer: PChar);
5000 + begin
5001    if not Assigned(DataSet) then Exit;
5002 <  DataSet.SetInternalSQLParams(Query, buff);
5002 >  DataSet.UpdateRecordFromQuery(QryResults, Buffer);
5003 > end;
5004 >
5005 > function TIBDSBlobStream.GetSize: Int64;
5006 > begin
5007 >  Result := FBlobStream.BlobSize;
5008   end;
5009  
5010   { TIBDSBlobStream }
# Line 3959 | Line 5015 | begin
5015    FBlobStream := ABlobStream;
5016    FBlobStream.Seek(0, soFromBeginning);
5017    if (Mode = bmWrite) then
5018 +  begin
5019      FBlobStream.Truncate;
5020 +    TIBCustomDataSet(FField.DataSet).RecordModified(True);
5021 +    TBlobField(FField).Modified := true;
5022 +    FHasWritten := true;
5023 +  end;
5024 + end;
5025 +
5026 + destructor TIBDSBlobStream.Destroy;
5027 + begin
5028 +  if FHasWritten then
5029 +     TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, PtrInt(FField));
5030 +  inherited Destroy;
5031   end;
5032  
5033   function TIBDSBlobStream.Read(var Buffer; Count: Longint): Longint;
# Line 3984 | Line 5052 | begin
5052    TIBCustomDataSet(FField.DataSet).RecordModified(True);
5053    TBlobField(FField).Modified := true;
5054    result := FBlobStream.Write(Buffer, Count);
5055 <  TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, PtrInt(FField));
5055 >  FHasWritten := true;
5056 > {  TIBCustomDataSet(FField.DataSet).DataEvent(deFieldChange, PtrInt(FField));
5057 >  Removed as this caused a seek to beginning of the blob stream thus corrupting
5058 >  the blob stream. Moved to the destructor i.e. called after blob written}
5059   end;
5060  
5061   { TIBGenerator }
5062  
5063   procedure TIBGenerator.SetIncrement(const AValue: integer);
5064   begin
5065 +  if FIncrement = AValue then Exit;
5066    if AValue < 0 then
5067 <     raise Exception.Create('A Generator Increment cannot be negative');
5068 <  FIncrement := AValue
5067 >    IBError(ibxeNegativeGenerator,[]);
5068 >  FIncrement := AValue;
5069 >  SetQuerySQL;
5070   end;
5071  
5072 < function TIBGenerator.GetNextValue(ADatabase: TIBDatabase;
4000 <  ATransaction: TIBTransaction): integer;
5072 > procedure TIBGenerator.SetTransaction(AValue: TIBTransaction);
5073   begin
5074 <  with TIBSQL.Create(nil) do
5075 <  try
5076 <    Database := ADatabase;
5077 <    Transaction := ATransaction;
5078 <    if not assigned(Database) then
5079 <       IBError(ibxeCannotSetDatabase,[]);
5080 <    if not assigned(Transaction) then
5081 <       IBError(ibxeCannotSetTransaction,[]);
5082 <    with Transaction do
5083 <      if not InTransaction then StartTransaction;
5084 <    SQL.Text := Format('Select Gen_ID(%s,%d) as ID From RDB$Database',[FGeneratorName,Increment]);
5085 <    Prepare;
5074 >  FQuery.Transaction := AValue;
5075 > end;
5076 >
5077 > procedure TIBGenerator.SetQuerySQL;
5078 > begin
5079 >  FQuery.SQL.Text := Format('Select Gen_ID(%s,%d) From RDB$Database',[FGeneratorName,Increment]);
5080 > end;
5081 >
5082 > function TIBGenerator.GetDatabase: TIBDatabase;
5083 > begin
5084 >  Result := FQuery.Database;
5085 > end;
5086 >
5087 > function TIBGenerator.GetTransaction: TIBTransaction;
5088 > begin
5089 >  Result := FQuery.Transaction;
5090 > end;
5091 >
5092 > procedure TIBGenerator.SetDatabase(AValue: TIBDatabase);
5093 > begin
5094 >  FQuery.Database := AValue;
5095 > end;
5096 >
5097 > procedure TIBGenerator.SetGeneratorName(AValue: string);
5098 > begin
5099 >  if FGeneratorName = AValue then Exit;
5100 >  FGeneratorName := AValue;
5101 >  SetQuerySQL;
5102 > end;
5103 >
5104 > function TIBGenerator.GetNextValue: integer;
5105 > begin
5106 >  with FQuery do
5107 >  begin
5108 >    Transaction.Active := true;
5109      ExecQuery;
5110      try
5111 <      Result := FieldByName('ID').AsInteger
5111 >      Result := Fields[0].AsInteger
5112      finally
5113        Close
5114      end;
4020  finally
4021    Free
5115    end;
5116   end;
5117  
# Line 4026 | Line 5119 | constructor TIBGenerator.Create(Owner: T
5119   begin
5120    FOwner := Owner;
5121    FIncrement := 1;
5122 +  FQuery := TIBSQL.Create(nil);
5123 + end;
5124 +
5125 + destructor TIBGenerator.Destroy;
5126 + begin
5127 +  if assigned(FQuery) then FQuery.Free;
5128 +  inherited Destroy;
5129   end;
5130  
5131  
5132   procedure TIBGenerator.Apply;
5133   begin
5134 <  if (FGeneratorName <> '') and (FFieldName <> '')  then
5135 <    Owner.FieldByName(FFieldName).AsInteger := GetNextValue(Owner.Database,Owner.Transaction);
5134 >  if assigned(Database) and assigned(Transaction) and
5135 >       (FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then
5136 >    Owner.FieldByName(FFieldName).AsInteger := GetNextValue;
5137   end;
5138  
5139 +
5140   end.

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