27 |
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{ IBX For Lazarus (Firebird Express) } |
28 |
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{ Contributor: Tony Whyman, MWA Software http://www.mwasoftware.co.uk } |
29 |
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{ Portions created by MWA Software are copyright McCallum Whyman } |
30 |
< |
{ Associates Ltd 2011 - 2015 } |
30 |
> |
{ Associates Ltd 2011 - 2015 } |
31 |
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{ } |
32 |
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{************************************************************************} |
33 |
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|
34 |
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unit IBCustomDataSet; |
35 |
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|
36 |
– |
{$IF FPC_FULLVERSION >= 20700 } |
37 |
– |
{$codepage UTF8} |
38 |
– |
{$DEFINE HAS_ANSISTRING_CODEPAGE} |
39 |
– |
{$DEFINE NEW_TBOOKMARK} |
40 |
– |
{$ENDIF} |
41 |
– |
|
36 |
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{$R-} |
37 |
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|
38 |
+ |
{$IFDEF FPC} |
39 |
|
{$Mode Delphi} |
40 |
+ |
{$codepage UTF8} |
41 |
+ |
{$ENDIF} |
42 |
|
|
43 |
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{$IFDEF DELPHI} |
44 |
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{$DEFINE TDBDFIELD_IS_BCD} |
52 |
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{$ELSE} |
53 |
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unix, |
54 |
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{$ENDIF} |
55 |
< |
SysUtils, Classes, IBDatabase, IBExternals, IB, IBHeader, IBSQL, Db, |
56 |
< |
IBUtils, IBBlob, IBSQLParser; |
55 |
> |
SysUtils, Classes, IBDatabase, IBExternals, IB, IBSQL, Db, |
56 |
> |
IBUtils, IBBlob, IBSQLParser, IBDatabaseInfo; |
57 |
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|
58 |
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const |
59 |
|
BufferCacheSize = 1000; { Allocate cache in this many record chunks} |
74 |
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procedure SetDataSet(ADataSet: TIBCustomDataSet); virtual; abstract; |
75 |
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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(UpdateKind: TUpdateKind; QryResults: IResults; Buffer: PChar); |
80 |
|
property DataSet: TIBCustomDataSet read GetDataSet write SetDataSet; |
81 |
|
public |
82 |
|
constructor Create(AOwner: TComponent); override; |
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 |
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TCachedUpdateStatus = ( |
114 |
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cusUnmodified, cusModified, cusInserted, |
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; |
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 |
< |
function GetDefaultWidth: Longint; override; |
188 |
> |
procedure Bind(Binding: Boolean); override; |
189 |
> |
function GetDataSize: Integer; override; |
190 |
|
public |
191 |
|
constructor Create(aOwner: TComponent); override; |
192 |
|
class procedure CheckTypeSize(Value: Integer); override; |
196 |
|
procedure SetAsString(const Value: string); override; |
197 |
|
property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName; |
198 |
|
property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize; |
199 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
200 |
< |
private |
201 |
< |
FCodePage: TSystemCodePage; |
145 |
< |
public |
146 |
< |
property CodePage: TSystemCodePage read FCodePage write FCodePage; |
147 |
< |
{$ENDIF} |
148 |
< |
end; |
149 |
< |
|
150 |
< |
{ TIBWideStringField } |
151 |
< |
|
152 |
< |
TIBWideStringField = class(TWideStringField) |
153 |
< |
private |
154 |
< |
FCharacterSetName: RawByteString; |
155 |
< |
FCharacterSetSize: integer; |
156 |
< |
public |
157 |
< |
property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName; |
158 |
< |
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 } |
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; |
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} |
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; |
284 |
|
published |
285 |
|
property DisplayTextAsClassName: boolean read FDisplayTextAsClassName |
286 |
|
write FDisplayTextAsClassName; |
203 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
287 |
|
private |
288 |
|
FCodePage: TSystemCodePage; |
289 |
|
FFCodePage: TSystemCodePage; |
290 |
|
public |
291 |
|
property CodePage: TSystemCodePage read FFCodePage write FFCodePage; |
209 |
– |
{$ENDIF} |
210 |
– |
end; |
211 |
– |
|
212 |
– |
{ TIBWideMemoField } |
213 |
– |
|
214 |
– |
TIBWideMemoField = class(TWideMemoField) |
215 |
– |
private |
216 |
– |
FCharacterSetName: RawByteString; |
217 |
– |
FCharacterSetSize: integer; |
218 |
– |
FDisplayTextAsClassName: boolean; |
219 |
– |
function GetTruncatedText: string; |
220 |
– |
protected |
221 |
– |
function GetDefaultWidth: Longint; override; |
222 |
– |
procedure GetText(var AText: string; ADisplayText: Boolean); override; |
223 |
– |
public |
224 |
– |
constructor Create(AOwner: TComponent); override; |
225 |
– |
property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName; |
226 |
– |
property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize; |
227 |
– |
published |
228 |
– |
property DisplayTextAsClassName: boolean read FDisplayTextAsClassName |
229 |
– |
write FDisplayTextAsClassName; |
292 |
|
end; |
293 |
|
|
294 |
|
TIBDataLink = class(TDetailDataLink) |
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; |
356 |
|
TIBAutoCommit = (acDisabled, acCommitRetaining); |
357 |
|
|
358 |
|
{ TIBCustomDataSet } |
359 |
+ |
|
360 |
|
TIBUpdateAction = (uaFail, uaAbort, uaSkip, uaRetry, uaApply, uaApplied); |
361 |
|
|
362 |
|
TIBUpdateErrorEvent = procedure(DataSet: TDataSet; E: EDatabaseError; |
371 |
|
|
372 |
|
TOnValidatePost = procedure (Sender: TObject; var CancelPost: boolean) of object; |
373 |
|
|
374 |
+ |
TOnDeleteReturning = procedure (Sender: TObject; QryResults: IResults) of object; |
375 |
+ |
|
376 |
|
TIBCustomDataSet = class(TDataset) |
377 |
|
private |
378 |
+ |
FAllowAutoActivateTransaction: Boolean; |
379 |
+ |
FArrayFieldCount: integer; |
380 |
+ |
FArrayCacheOffset: integer; |
381 |
|
FAutoCommit: TIBAutoCommit; |
382 |
|
FGenerateParamNames: Boolean; |
383 |
|
FGeneratorField: TIBGenerator; |
384 |
|
FNeedsRefresh: Boolean; |
385 |
|
FForcedRefresh: Boolean; |
386 |
|
FDidActivate: Boolean; |
309 |
– |
FIBLoaded: Boolean; |
387 |
|
FBase: TIBBase; |
388 |
|
FBlobCacheOffset: Integer; |
389 |
|
FBlobStreamList: TList; |
390 |
+ |
FArrayList: TList; |
391 |
|
FBufferChunks: Integer; |
392 |
|
FBufferCache, |
393 |
|
FOldBufferCache: PChar; |
405 |
|
FDeletedRecords: Long; |
406 |
|
FModelBuffer, |
407 |
|
FOldBuffer: PChar; |
408 |
+ |
FOnDeleteReturning: TOnDeleteReturning; |
409 |
|
FOnValidatePost: TOnValidatePost; |
410 |
|
FOpen: Boolean; |
411 |
|
FInternalPrepared: Boolean; |
414 |
|
FQRefresh, |
415 |
|
FQSelect, |
416 |
|
FQModify: TIBSQL; |
417 |
+ |
FDatabaseInfo: TIBDatabaseInfo; |
418 |
|
FRecordBufferSize: Integer; |
419 |
|
FRecordCount: Integer; |
420 |
|
FRecordSize: Integer; |
443 |
|
FCloseAction: TTransactionAction; |
444 |
|
FInTransactionEnd: boolean; |
445 |
|
FIBLinks: TList; |
446 |
< |
function GetSelectStmtHandle: TISC_STMT_HANDLE; |
446 |
> |
FFieldColumns: PFieldColumns; |
447 |
> |
FBufferUpdatedOnQryReturn: boolean; |
448 |
> |
procedure ColumnDataToBuffer(QryResults: IResults; ColumnIndex, |
449 |
> |
FieldIndex: integer; Buffer: PChar); |
450 |
> |
procedure InitModelBuffer(Qry: TIBSQL; Buffer: PChar); |
451 |
> |
function GetSelectStmtIntf: IStatement; |
452 |
|
procedure SetUpdateMode(const Value: TUpdateMode); |
453 |
|
procedure SetUpdateObject(Value: TIBDataSetUpdateObject); |
454 |
|
|
460 |
|
function CanRefresh: Boolean; |
461 |
|
procedure CheckEditState; |
462 |
|
procedure ClearBlobCache; |
463 |
+ |
procedure ClearArrayCache; |
464 |
|
procedure ClearIBLinks; |
465 |
|
procedure CopyRecordBuffer(Source, Dest: Pointer); |
466 |
|
procedure DoBeforeDatabaseDisconnect(Sender: TObject); |
469 |
|
procedure DoBeforeTransactionEnd(Sender: TObject; Action: TTransactionAction); |
470 |
|
procedure DoAfterTransactionEnd(Sender: TObject); |
471 |
|
procedure DoTransactionFree(Sender: TObject); |
472 |
+ |
procedure DoDeleteReturning(QryResults: IResults); |
473 |
|
procedure FetchCurrentRecordToBuffer(Qry: TIBSQL; RecordNumber: Integer; |
474 |
|
Buffer: PChar); |
475 |
|
function GetDatabase: TIBDatabase; |
389 |
– |
function GetDBHandle: PISC_DB_HANDLE; |
476 |
|
function GetDeleteSQL: TStrings; |
477 |
|
function GetInsertSQL: TStrings; |
478 |
< |
function GetSQLParams: TIBXSQLDA; |
478 |
> |
function GetSQLParams: ISQLParams; |
479 |
|
function GetRefreshSQL: TStrings; |
480 |
|
function GetSelectSQL: TStrings; |
481 |
< |
function GetStatementType: TIBSQLTypes; |
481 |
> |
function GetStatementType: TIBSQLStatementTypes; |
482 |
|
function GetModifySQL: TStrings; |
483 |
|
function GetTransaction: TIBTransaction; |
398 |
– |
function GetTRHandle: PISC_TR_HANDLE; |
484 |
|
function GetParser: TSelectSQLParser; |
485 |
|
procedure InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer); virtual; |
486 |
|
function InternalLocate(const KeyFields: string; const KeyValues: Variant; |
495 |
|
procedure SetDatabase(Value: TIBDatabase); |
496 |
|
procedure SetDeleteSQL(Value: TStrings); |
497 |
|
procedure SetInsertSQL(Value: TStrings); |
498 |
< |
procedure SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer); |
498 |
> |
procedure SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer); |
499 |
|
procedure SetRefreshSQL(Value: TStrings); |
500 |
|
procedure SetSelectSQL(Value: TStrings); |
501 |
|
procedure SetModifySQL(Value: TStrings); |
502 |
|
procedure SetTransaction(Value: TIBTransaction); |
503 |
|
procedure SetUpdateRecordTypes(Value: TIBUpdateRecordTypes); |
504 |
|
procedure SetUniDirectional(Value: Boolean); |
505 |
+ |
procedure UpdateRecordFromQuery(QryResults: IResults; Buffer: PChar); |
506 |
|
procedure RefreshParams; |
507 |
|
function AdjustPosition(FCache: PChar; Offset: DWORD; |
508 |
|
Origin: Integer): DWORD; |
536 |
|
procedure SQLChanging(Sender: TObject); virtual; |
537 |
|
procedure SQLChanged(Sender: TObject); virtual; |
538 |
|
|
539 |
< |
(* { IProviderSupport } |
539 |
> |
{ IProviderSupport } |
540 |
|
procedure PSEndTransaction(Commit: Boolean); override; |
541 |
|
function PSExecuteStatement(const ASQL: string; AParams: TParams; |
542 |
|
ResultSet: Pointer = nil): Integer; override; |
549 |
|
procedure PSStartTransaction; override; |
550 |
|
procedure PSReset; override; |
551 |
|
function PSUpdateRecord(UpdateKind: TUpdateKind; Delta: TDataSet): Boolean; override; |
552 |
< |
*) |
552 |
> |
|
553 |
|
{ TDataSet support } |
554 |
|
procedure InternalInsert; override; |
555 |
|
procedure InitRecord(Buffer: PChar); override; |
613 |
|
protected |
614 |
|
{Likely to be made public by descendant classes} |
615 |
|
property AutoCommit: TIBAutoCommit read FAutoCommit write FAutoCommit default acDisabled; |
616 |
< |
property SQLParams: TIBXSQLDA read GetSQLParams; |
617 |
< |
property Params: TIBXSQLDA read GetSQLParams; |
616 |
> |
property SQLParams: ISQLParams read GetSQLParams; |
617 |
> |
property Params: ISQLParams read GetSQLParams; |
618 |
|
property InternalPrepared: Boolean read FInternalPrepared; |
619 |
|
property QDelete: TIBSQL read FQDelete; |
620 |
|
property QInsert: TIBSQL read FQInsert; |
621 |
|
property QRefresh: TIBSQL read FQRefresh; |
622 |
|
property QSelect: TIBSQL read FQSelect; |
623 |
|
property QModify: TIBSQL read FQModify; |
624 |
< |
property StatementType: TIBSQLTypes read GetStatementType; |
625 |
< |
property SelectStmtHandle: TISC_STMT_HANDLE read GetSelectStmtHandle; |
624 |
> |
property StatementType: TIBSQLStatementTypes read GetStatementType; |
625 |
> |
property SelectStmtHandle: IStatement read GetSelectStmtIntf; |
626 |
|
|
627 |
|
{Likely to be made published by descendant classes} |
628 |
|
property BufferChunks: Integer read FBufferChunks write SetBufferChunks; |
673 |
|
function BookmarkValid(Bookmark: TBookmark): Boolean; override; |
674 |
|
function CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer; override; |
675 |
|
function CreateBlobStream(Field: TField; Mode: TBlobStreamMode): TStream; override; |
676 |
+ |
function GetArray(Field: TIBArrayField): IArray; |
677 |
+ |
procedure SetArrayIntf(AnArray: IArray; Field: TIBArrayField); |
678 |
|
function GetCurrentRecord(Buffer: PChar): Boolean; override; |
679 |
|
function GetFieldData(Field : TField; Buffer : Pointer) : Boolean; overload; override; |
680 |
|
function GetFieldData(FieldNo: Integer; Buffer: Pointer): Boolean; overload; (*override;*) |
688 |
|
function UpdateStatus: TUpdateStatus; override; |
689 |
|
function IsSequenced: Boolean; override; |
690 |
|
procedure Post; override; |
691 |
< |
function ParamByName(ParamName: String): TIBXSQLVAR; |
692 |
< |
property DBHandle: PISC_DB_HANDLE read GetDBHandle; |
693 |
< |
property TRHandle: PISC_TR_HANDLE read GetTRHandle; |
691 |
> |
function ParamByName(ParamName: String): ISQLParam; |
692 |
> |
property ArrayFieldCount: integer read FArrayFieldCount; |
693 |
> |
property DatabaseInfo: TIBDatabaseInfo read FDatabaseInfo; |
694 |
|
property UpdateObject: TIBDataSetUpdateObject read FUpdateObject write SetUpdateObject; |
695 |
|
property UpdatesPending: Boolean read FUpdatesPending; |
696 |
|
property UpdateRecordTypes: TIBUpdateRecordTypes read FUpdateRecordTypes |
699 |
|
read FDataSetCloseAction write FDataSetCloseAction; |
700 |
|
|
701 |
|
published |
702 |
+ |
property AllowAutoActivateTransaction: Boolean read FAllowAutoActivateTransaction |
703 |
+ |
write FAllowAutoActivateTransaction; |
704 |
|
property Database: TIBDatabase read GetDatabase write SetDatabase; |
705 |
|
property Transaction: TIBTransaction read GetTransaction |
706 |
|
write SetTransaction; |
735 |
|
write FOnUpdateError; |
736 |
|
property OnUpdateRecord: TIBUpdateRecordEvent read FOnUpdateRecord |
737 |
|
write FOnUpdateRecord; |
738 |
+ |
property OnDeleteReturning: TOnDeleteReturning read FOnDeleteReturning |
739 |
+ |
write FOnDeleteReturning; |
740 |
|
end; |
741 |
|
|
742 |
|
TIBParserDataSet = class(TIBCustomDataSet) |
823 |
|
property OnNewRecord; |
824 |
|
property OnPostError; |
825 |
|
property OnValidatePost; |
826 |
+ |
property OnDeleteReturning; |
827 |
|
end; |
828 |
|
|
829 |
|
{ TIBDSBlobStream } |
833 |
|
protected |
834 |
|
FField: TField; |
835 |
|
FBlobStream: TIBBlobStream; |
836 |
+ |
function GetSize: Int64; override; |
837 |
|
public |
838 |
|
constructor Create(AField: TField; ABlobStream: TIBBlobStream; |
839 |
|
Mode: TBlobStreamMode); |
844 |
|
function Write(const Buffer; Count: Longint): Longint; override; |
845 |
|
end; |
846 |
|
|
847 |
+ |
{Extended Field Def for character set info} |
848 |
+ |
|
849 |
+ |
{ TIBFieldDef } |
850 |
+ |
|
851 |
+ |
TIBFieldDef = class(TFieldDef) |
852 |
+ |
private |
853 |
+ |
FArrayBounds: TArrayBounds; |
854 |
+ |
FArrayDimensions: integer; |
855 |
+ |
FCharacterSetName: RawByteString; |
856 |
+ |
FCharacterSetSize: integer; |
857 |
+ |
FCodePage: TSystemCodePage; |
858 |
+ |
FIdentityColumn: boolean; |
859 |
+ |
FRelationName: string; |
860 |
+ |
FDataSize: integer; |
861 |
+ |
published |
862 |
+ |
property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName; |
863 |
+ |
property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize; |
864 |
+ |
property CodePage: TSystemCodePage read FCodePage write FCodePage; |
865 |
+ |
property DataSize: integer read FDataSize write FDataSize; |
866 |
+ |
property RelationName: string read FRelationName write FRelationName; |
867 |
+ |
property ArrayDimensions: integer read FArrayDimensions write FArrayDimensions; |
868 |
+ |
property ArrayBounds: TArrayBounds read FArrayBounds write FArrayBounds; |
869 |
+ |
property IdentityColumn: boolean read FIdentityColumn write FIdentityColumn default false; |
870 |
+ |
end; |
871 |
+ |
|
872 |
|
const |
873 |
|
DefaultFieldClasses: array[TFieldType] of TFieldClass = ( |
874 |
|
nil, { ftUnknown } |
875 |
|
TIBStringField, { ftString } |
876 |
< |
TSmallintField, { ftSmallint } |
877 |
< |
TIntegerField, { ftInteger } |
876 |
> |
TIBSmallintField, { ftSmallint } |
877 |
> |
TIBIntegerField, { ftInteger } |
878 |
|
TWordField, { ftWord } |
879 |
|
TBooleanField, { ftBoolean } |
880 |
|
TFloatField, { ftFloat } |
895 |
|
TBlobField, { ftTypedBinary } |
896 |
|
nil, { ftCursor } |
897 |
|
TStringField, { ftFixedChar } |
898 |
< |
TIBWideStringField, { ftWideString } |
899 |
< |
TLargeIntField, { ftLargeInt } |
898 |
> |
nil, { ftWideString } |
899 |
> |
TIBLargeIntField, { ftLargeInt } |
900 |
|
nil, { ftADT } |
901 |
< |
nil, { ftArray } |
901 |
> |
TIBArrayField, { ftArray } |
902 |
|
nil, { ftReference } |
903 |
|
nil, { ftDataSet } |
904 |
|
TBlobField, { ftOraBlob } |
910 |
|
TDateTimeField, {ftTimestamp} |
911 |
|
TIBBCDField, {ftFMTBcd} |
912 |
|
nil, {ftFixedWideChar} |
913 |
< |
TIBWideMemoField); {ftWideMemo} |
913 |
> |
nil); {ftWideMemo} |
914 |
|
(* |
915 |
|
TADTField, { ftADT } |
916 |
|
TArrayField, { ftArray } |
927 |
|
|
928 |
|
implementation |
929 |
|
|
930 |
< |
uses IBIntf, Variants, FmtBCD, LazUTF8; |
930 |
> |
uses Variants, FmtBCD, LazUTF8, FBMessages, IBQuery; |
931 |
|
|
932 |
|
const FILE_BEGIN = 0; |
933 |
|
FILE_CURRENT = 1; |
940 |
|
FieldName : String; |
941 |
|
COMPUTED_BLR : Boolean; |
942 |
|
DEFAULT_VALUE : boolean; |
943 |
+ |
IDENTITY_COLUMN : boolean; |
944 |
|
NextField : TFieldNode; |
945 |
|
end; |
946 |
|
|
951 |
|
NextRelation : TRelationNode; |
952 |
|
end; |
953 |
|
|
834 |
– |
{Extended Field Def for character set info} |
835 |
– |
|
836 |
– |
{ TIBFieldDef } |
837 |
– |
|
838 |
– |
TIBFieldDef = class(TFieldDef) |
839 |
– |
private |
840 |
– |
FCharacterSetName: RawByteString; |
841 |
– |
FCharacterSetSize: integer; |
842 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
843 |
– |
FCodePage: TSystemCodePage; |
844 |
– |
{$ENDIF} |
845 |
– |
published |
846 |
– |
property CharacterSetName: RawByteString read FCharacterSetName write FCharacterSetName; |
847 |
– |
property CharacterSetSize: integer read FCharacterSetSize write FCharacterSetSize; |
848 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
849 |
– |
property CodePage: TSystemCodePage read FCodePage write FCodePage; |
850 |
– |
{$ENDIF} |
851 |
– |
end; |
852 |
– |
|
954 |
|
|
955 |
|
{ Copied from LCLProc in order to avoid LCL dependency |
956 |
|
|
993 |
|
Result := str; |
994 |
|
end; |
995 |
|
|
996 |
< |
{ TIBWideMemoField } |
996 |
> |
{ TIBLargeIntField } |
997 |
|
|
998 |
< |
function TIBWideMemoField.GetTruncatedText: string; |
998 |
> |
procedure TIBLargeIntField.Bind(Binding: Boolean); |
999 |
|
begin |
1000 |
< |
Result := GetAsString; |
1000 |
> |
inherited Bind(Binding); |
1001 |
> |
if Binding and (FieldDef <> nil) then |
1002 |
> |
FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn; |
1003 |
> |
end; |
1004 |
|
|
1005 |
< |
if Result <> '' then |
1006 |
< |
if DisplayWidth = 0 then |
1007 |
< |
Result := TextToSingleLine(Result) |
1008 |
< |
else |
1009 |
< |
if Length(Result) > DisplayWidth then {Show truncation with elipses} |
1010 |
< |
Result := TextToSingleLine(system.copy(Result,1,DisplayWidth-3)) + '...'; |
1005 |
> |
{ TIBIntegerField } |
1006 |
> |
|
1007 |
> |
procedure TIBIntegerField.Bind(Binding: Boolean); |
1008 |
> |
begin |
1009 |
> |
inherited Bind(Binding); |
1010 |
> |
if Binding and (FieldDef <> nil) then |
1011 |
> |
FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn; |
1012 |
|
end; |
1013 |
|
|
1014 |
< |
function TIBWideMemoField.GetDefaultWidth: Longint; |
1014 |
> |
{ TIBSmallintField } |
1015 |
> |
|
1016 |
> |
procedure TIBSmallintField.Bind(Binding: Boolean); |
1017 |
|
begin |
1018 |
< |
Result := 128; |
1018 |
> |
inherited Bind(Binding); |
1019 |
> |
if Binding and (FieldDef <> nil) then |
1020 |
> |
FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn; |
1021 |
|
end; |
1022 |
|
|
1023 |
< |
procedure TIBWideMemoField.GetText(var AText: string; ADisplayText: Boolean); |
1023 |
> |
{ TIBArray } |
1024 |
> |
|
1025 |
> |
procedure TIBArray.EventHandler(Sender: IArray; Reason: TArrayEventReason); |
1026 |
|
begin |
1027 |
< |
if ADisplayText then |
1027 |
> |
case Reason of |
1028 |
> |
arChanging: |
1029 |
> |
if FRecNo <> FField.Dataset.RecNo then |
1030 |
> |
IBError(ibxeNotCurrentArray,[nil]); |
1031 |
> |
|
1032 |
> |
arChanged: |
1033 |
> |
FField.DataChanged; |
1034 |
> |
end; |
1035 |
> |
end; |
1036 |
> |
|
1037 |
> |
constructor TIBArray.Create(aField: TIBArrayField; anArray: IArray); |
1038 |
> |
begin |
1039 |
> |
inherited Create; |
1040 |
> |
FField := aField; |
1041 |
> |
FArray := anArray; |
1042 |
> |
FRecNo := FField.Dataset.RecNo; |
1043 |
> |
FArray.AddEventHandler(EventHandler); |
1044 |
> |
end; |
1045 |
> |
|
1046 |
> |
destructor TIBArray.Destroy; |
1047 |
> |
begin |
1048 |
> |
FArray.RemoveEventHandler(EventHandler); |
1049 |
> |
inherited Destroy; |
1050 |
> |
end; |
1051 |
> |
|
1052 |
> |
{ TIBArrayField } |
1053 |
> |
|
1054 |
> |
function TIBArrayField.GetArrayIntf: IArray; |
1055 |
> |
begin |
1056 |
> |
Result := TIBCustomDataSet(DataSet).GetArray(self); |
1057 |
> |
end; |
1058 |
> |
|
1059 |
> |
function TIBArrayField.GetArrayID: TISC_QUAD; |
1060 |
> |
begin |
1061 |
> |
GetData(@Result); |
1062 |
> |
end; |
1063 |
> |
|
1064 |
> |
procedure TIBArrayField.SetArrayIntf(AValue: IArray); |
1065 |
> |
begin |
1066 |
> |
TIBCustomDataSet(DataSet).SetArrayIntf(AValue,self); |
1067 |
> |
DataChanged; |
1068 |
> |
end; |
1069 |
> |
|
1070 |
> |
class procedure TIBArrayField.CheckTypeSize(AValue: Longint); |
1071 |
> |
begin |
1072 |
> |
//Ignore |
1073 |
> |
end; |
1074 |
> |
|
1075 |
> |
function TIBArrayField.GetAsString: string; |
1076 |
> |
begin |
1077 |
> |
Result := '(Array)'; |
1078 |
> |
end; |
1079 |
> |
|
1080 |
> |
function TIBArrayField.GetDataSize: Integer; |
1081 |
> |
begin |
1082 |
> |
Result := sizeof(TISC_QUAD); |
1083 |
> |
end; |
1084 |
> |
|
1085 |
> |
procedure TIBArrayField.Bind(Binding: Boolean); |
1086 |
> |
begin |
1087 |
> |
inherited Bind(Binding); |
1088 |
> |
if Binding then |
1089 |
|
begin |
1090 |
< |
if not DisplayTextAsClassName and (CharacterSetName<> '') then |
1091 |
< |
AText := GetTruncatedText |
1092 |
< |
else |
1093 |
< |
inherited GetText(AText, ADisplayText); |
1094 |
< |
end |
1095 |
< |
else |
1096 |
< |
AText := GetAsString; |
1090 |
> |
FCacheOffset := TIBCustomDataSet(DataSet).ArrayFieldCount; |
1091 |
> |
Inc(TIBCustomDataSet(DataSet).FArrayFieldCount); |
1092 |
> |
if FieldDef <> nil then |
1093 |
> |
begin |
1094 |
> |
FRelationName := TIBFieldDef(FieldDef).FRelationName; |
1095 |
> |
FArrayDimensions := TIBFieldDef(FieldDef).ArrayDimensions; |
1096 |
> |
FArrayBounds := TIBFieldDef(FieldDef).ArrayBounds; |
1097 |
> |
end; |
1098 |
> |
end; |
1099 |
|
end; |
1100 |
|
|
1101 |
< |
constructor TIBWideMemoField.Create(AOwner: TComponent); |
1101 |
> |
constructor TIBArrayField.Create(AOwner: TComponent); |
1102 |
|
begin |
1103 |
|
inherited Create(AOwner); |
1104 |
< |
BlobType := ftWideMemo; |
1104 |
> |
SetDataType(ftArray); |
1105 |
> |
end; |
1106 |
> |
|
1107 |
> |
function TIBArrayField.CreateArray: IArray; |
1108 |
> |
begin |
1109 |
> |
with DataSet as TIBCustomDataSet do |
1110 |
> |
Result := Database.Attachment.CreateArray(Transaction.TransactionIntf,FRelationName,FieldName); |
1111 |
|
end; |
1112 |
|
|
1113 |
|
{ TIBMemoField } |
1129 |
|
{2: case 2 ignored. This should be handled by TIBWideMemo} |
1130 |
|
|
1131 |
|
3, {Assume UNICODE_FSS is really UTF8} |
1132 |
< |
4: {Include GB18030 - assuming UTF8 routine work for this codeset} |
1132 |
> |
4: {Include GB18030 - assuming UTF8 routines work for this codeset} |
1133 |
|
if DisplayWidth = 0 then |
1134 |
< |
Result := ValidUTF8String(TextToSingleLine(Result)) |
1134 |
> |
Result := Utf8EscapeControlChars(TextToSingleLine(Result)) |
1135 |
|
else |
1136 |
|
if UTF8Length(Result) > DisplayWidth then {Show truncation with elipses} |
1137 |
< |
Result := ValidUTF8String(TextToSingleLine(UTF8Copy(Result,1,DisplayWidth-3))) + '...'; |
1137 |
> |
Result := Utf8EscapeControlChars(TextToSingleLine(UTF8Copy(Result,1,DisplayWidth-3))) + '...'; |
1138 |
|
end; |
1139 |
|
end |
1140 |
|
end; |
1141 |
|
|
1142 |
+ |
procedure TIBMemoField.Bind(Binding: Boolean); |
1143 |
+ |
var IBFieldDef: TIBFieldDef; |
1144 |
+ |
begin |
1145 |
+ |
inherited Bind(Binding); |
1146 |
+ |
if Binding and (FieldDef <> nil) then |
1147 |
+ |
begin |
1148 |
+ |
IBFieldDef := FieldDef as TIBFieldDef; |
1149 |
+ |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
1150 |
+ |
CharacterSetName := IBFieldDef.CharacterSetName; |
1151 |
+ |
CodePage := IBFieldDef.CodePage; |
1152 |
+ |
end; |
1153 |
+ |
end; |
1154 |
+ |
|
1155 |
|
function TIBMemoField.GetAsString: string; |
1156 |
|
var s: RawByteString; |
1157 |
|
begin |
1158 |
|
s := inherited GetAsString; |
966 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1159 |
|
SetCodePage(s,CodePage,false); |
1160 |
< |
{$ENDIF} |
1160 |
> |
if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then |
1161 |
> |
SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8} |
1162 |
|
Result := s; |
1163 |
|
end; |
1164 |
|
|
1187 |
|
var s: RawByteString; |
1188 |
|
begin |
1189 |
|
s := AValue; |
1190 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1191 |
< |
if StringCodePage(Value) <> CodePage then |
999 |
< |
SetCodePage(s,CodePage,true); |
1000 |
< |
{$ENDIF} |
1190 |
> |
if StringCodePage(s) <> CodePage then |
1191 |
> |
SetCodePage(s,CodePage,CodePage<>CP_NONE); |
1192 |
|
inherited SetAsString(s); |
1193 |
|
end; |
1194 |
|
|
1196 |
|
begin |
1197 |
|
inherited Create(AOwner); |
1198 |
|
BlobType := ftMemo; |
1008 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1199 |
|
FCodePage := CP_NONE; |
1010 |
– |
{$ENDIF} |
1200 |
|
end; |
1201 |
|
|
1202 |
|
{ TIBControlLink } |
1230 |
|
|
1231 |
|
{ TIBStringField} |
1232 |
|
|
1233 |
< |
function TIBStringField.GetDefaultWidth: Longint; |
1233 |
> |
procedure TIBStringField.Bind(Binding: Boolean); |
1234 |
> |
var IBFieldDef: TIBFieldDef; |
1235 |
> |
begin |
1236 |
> |
inherited Bind(Binding); |
1237 |
> |
if Binding and (FieldDef <> nil) then |
1238 |
> |
begin |
1239 |
> |
IBFieldDef := FieldDef as TIBFieldDef; |
1240 |
> |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
1241 |
> |
CharacterSetName := IBFieldDef.CharacterSetName; |
1242 |
> |
FDataSize := IBFieldDef.DataSize + 1; |
1243 |
> |
if AutoFieldSize then |
1244 |
> |
Size := IBFieldDef.Size; |
1245 |
> |
CodePage := IBFieldDef.CodePage; |
1246 |
> |
end; |
1247 |
> |
end; |
1248 |
> |
|
1249 |
> |
function TIBStringField.GetDataSize: Integer; |
1250 |
|
begin |
1251 |
< |
Result := Size div CharacterSetSize; |
1251 |
> |
Result := FDataSize; |
1252 |
|
end; |
1253 |
|
|
1254 |
|
constructor TIBStringField.Create(aOwner: TComponent); |
1255 |
|
begin |
1256 |
|
inherited Create(aOwner); |
1257 |
|
FCharacterSetSize := 1; |
1053 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1258 |
|
FCodePage := CP_NONE; |
1259 |
< |
{$ENDIF} |
1259 |
> |
FAutoFieldSize := true; |
1260 |
|
end; |
1261 |
|
|
1262 |
|
class procedure TIBStringField.CheckTypeSize(Value: Integer); |
1282 |
|
s: RawByteString; |
1283 |
|
begin |
1284 |
|
Buffer := nil; |
1285 |
< |
IBAlloc(Buffer, 0, Size + 1); |
1285 |
> |
IBAlloc(Buffer, 0, DataSize); |
1286 |
|
try |
1287 |
|
Result := GetData(Buffer); |
1288 |
|
if Result then |
1289 |
|
begin |
1290 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1087 |
< |
s := string(Buffer); |
1290 |
> |
s := strpas(Buffer); |
1291 |
|
SetCodePage(s,CodePage,false); |
1292 |
+ |
if (CodePage <> CP_NONE) and (CodePage <> CP_UTF8) then |
1293 |
+ |
SetCodePage(s,CP_UTF8,true); {LCL only accepts UTF8} |
1294 |
|
Value := s; |
1295 |
|
// writeln(FieldName,': ', StringCodePage(Value),', ',Value); |
1091 |
– |
{$ELSE} |
1092 |
– |
Value := string(Buffer); |
1093 |
– |
{$ENDIF} |
1296 |
|
if Transliterate and (Value <> '') then |
1297 |
|
DataSet.Translate(PChar(Value), PChar(Value), False); |
1298 |
|
end |
1307 |
|
s: RawByteString; |
1308 |
|
begin |
1309 |
|
Buffer := nil; |
1310 |
< |
IBAlloc(Buffer, 0, Size + 1); |
1310 |
> |
IBAlloc(Buffer, 0, DataSize); |
1311 |
|
try |
1312 |
|
s := Value; |
1111 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
1313 |
|
if StringCodePage(s) <> CodePage then |
1314 |
< |
SetCodePage(s,CodePage,true); |
1315 |
< |
{$ENDIF} |
1115 |
< |
StrLCopy(Buffer, PChar(s), Size); |
1314 |
> |
SetCodePage(s,CodePage,CodePage<>CP_NONE); |
1315 |
> |
StrLCopy(Buffer, PChar(s), DataSize-1); |
1316 |
|
if Transliterate then |
1317 |
|
DataSet.Translate(Buffer, Buffer, True); |
1318 |
|
SetData(Buffer); |
1331 |
|
Size := 8; |
1332 |
|
end; |
1333 |
|
|
1334 |
+ |
procedure TIBBCDField.Bind(Binding: Boolean); |
1335 |
+ |
begin |
1336 |
+ |
inherited Bind(Binding); |
1337 |
+ |
if Binding and (FieldDef <> nil) then |
1338 |
+ |
FIdentityColumn := (FieldDef as TIBFieldDef).IdentityColumn; |
1339 |
+ |
end; |
1340 |
+ |
|
1341 |
|
class procedure TIBBCDField.CheckTypeSize(Value: Integer); |
1342 |
|
begin |
1343 |
|
{ No need to check as the base type is currency, not BCD } |
1422 |
|
constructor TIBCustomDataSet.Create(AOwner: TComponent); |
1423 |
|
begin |
1424 |
|
inherited Create(AOwner); |
1218 |
– |
FIBLoaded := False; |
1219 |
– |
CheckIBLoaded; |
1220 |
– |
FIBLoaded := True; |
1425 |
|
FBase := TIBBase.Create(Self); |
1426 |
+ |
FDatabaseInfo := TIBDatabaseInfo.Create(self); |
1427 |
|
FIBLinks := TList.Create; |
1428 |
|
FCurrentRecord := -1; |
1429 |
|
FDeletedRecords := 0; |
1430 |
|
FUniDirectional := False; |
1431 |
|
FBufferChunks := BufferCacheSize; |
1432 |
|
FBlobStreamList := TList.Create; |
1433 |
+ |
FArrayList := TList.Create; |
1434 |
|
FGeneratorField := TIBGenerator.Create(self); |
1435 |
|
FDataLink := TIBDataLink.Create(Self); |
1436 |
|
FQDelete := TIBSQL.Create(Self); |
1474 |
|
destructor TIBCustomDataSet.Destroy; |
1475 |
|
begin |
1476 |
|
if Active then Active := false; |
1477 |
< |
if FIBLoaded then |
1478 |
< |
begin |
1479 |
< |
if assigned(FGeneratorField) then FGeneratorField.Free; |
1480 |
< |
FDataLink.Free; |
1481 |
< |
FBase.Free; |
1482 |
< |
ClearBlobCache; |
1483 |
< |
ClearIBLinks; |
1484 |
< |
FIBLinks.Free; |
1485 |
< |
FBlobStreamList.Free; |
1486 |
< |
FreeMem(FBufferCache); |
1487 |
< |
FBufferCache := nil; |
1488 |
< |
FreeMem(FOldBufferCache); |
1489 |
< |
FOldBufferCache := nil; |
1490 |
< |
FCacheSize := 0; |
1491 |
< |
FOldCacheSize := 0; |
1286 |
< |
FMappedFieldPosition := nil; |
1287 |
< |
end; |
1477 |
> |
if assigned(FGeneratorField) then FGeneratorField.Free; |
1478 |
> |
FDataLink.Free; |
1479 |
> |
FBase.Free; |
1480 |
> |
ClearBlobCache; |
1481 |
> |
ClearIBLinks; |
1482 |
> |
FIBLinks.Free; |
1483 |
> |
FBlobStreamList.Free; |
1484 |
> |
FArrayList.Free; |
1485 |
> |
FreeMem(FBufferCache); |
1486 |
> |
FBufferCache := nil; |
1487 |
> |
FreeMem(FOldBufferCache); |
1488 |
> |
FOldBufferCache := nil; |
1489 |
> |
FCacheSize := 0; |
1490 |
> |
FOldCacheSize := 0; |
1491 |
> |
FMappedFieldPosition := nil; |
1492 |
|
if assigned(FBaseSQLSelect) then FBaseSQLSelect.Free; |
1493 |
|
if assigned(FParser) then FParser.Free; |
1494 |
|
inherited Destroy; |
1513 |
|
Inc(FCurrentRecord); |
1514 |
|
if (FCurrentRecord = FRecordCount) then |
1515 |
|
begin |
1516 |
< |
if (not FQSelect.EOF) and (FQSelect.Next <> nil) then |
1516 |
> |
if (not FQSelect.EOF) and FQSelect.Next then |
1517 |
|
begin |
1518 |
|
FetchCurrentRecordToBuffer(FQSelect, FCurrentRecord, Buffer); |
1519 |
|
Inc(FRecordCount); |
1532 |
|
|
1533 |
|
procedure TIBCustomDataSet.ApplyUpdates; |
1534 |
|
var |
1331 |
– |
{$IFDEF NEW_TBOOKMARK } |
1535 |
|
CurBookmark: TBookmark; |
1333 |
– |
{$ELSE} |
1334 |
– |
CurBookmark: string; |
1335 |
– |
{$ENDIF} |
1536 |
|
Buffer: PRecordData; |
1537 |
|
CurUpdateTypes: TIBUpdateRecordTypes; |
1538 |
|
UpdateAction: TIBUpdateAction; |
1763 |
|
function TIBCustomDataSet.ActivateTransaction: Boolean; |
1764 |
|
begin |
1765 |
|
Result := False; |
1766 |
< |
if not Assigned(Transaction) then |
1567 |
< |
IBError(ibxeTransactionNotAssigned, [nil]); |
1568 |
< |
if not Transaction.Active then |
1766 |
> |
if AllowAutoActivateTransaction or (csDesigning in ComponentState) then |
1767 |
|
begin |
1768 |
< |
Result := True; |
1769 |
< |
Transaction.StartTransaction; |
1770 |
< |
FDidActivate := True; |
1768 |
> |
if not Assigned(Transaction) then |
1769 |
> |
IBError(ibxeTransactionNotAssigned, [nil]); |
1770 |
> |
if not Transaction.Active then |
1771 |
> |
begin |
1772 |
> |
Result := True; |
1773 |
> |
Transaction.StartTransaction; |
1774 |
> |
FDidActivate := True; |
1775 |
> |
end; |
1776 |
|
end; |
1777 |
|
end; |
1778 |
|
|
1897 |
|
FBlobStreamList.Pack; |
1898 |
|
end; |
1899 |
|
|
1900 |
+ |
procedure TIBCustomDataSet.ClearArrayCache; |
1901 |
+ |
var |
1902 |
+ |
i: Integer; |
1903 |
+ |
begin |
1904 |
+ |
for i := 0 to FArrayList.Count - 1 do |
1905 |
+ |
begin |
1906 |
+ |
TIBArray(FArrayList[i]).Free; |
1907 |
+ |
FArrayList[i] := nil; |
1908 |
+ |
end; |
1909 |
+ |
FArrayList.Pack; |
1910 |
+ |
end; |
1911 |
+ |
|
1912 |
|
procedure TIBCustomDataSet.CopyRecordBuffer(Source, Dest: Pointer); |
1913 |
|
begin |
1914 |
|
Move(Source^, Dest^, FRecordBufferSize); |
1918 |
|
begin |
1919 |
|
if Active then |
1920 |
|
Active := False; |
1921 |
< |
FInternalPrepared := False; |
1921 |
> |
InternalUnPrepare; |
1922 |
|
if Assigned(FBeforeDatabaseDisconnect) then |
1923 |
|
FBeforeDatabaseDisconnect(Sender); |
1924 |
|
end; |
1956 |
|
FQModify.FreeHandle; |
1957 |
|
if FQRefresh <> nil then |
1958 |
|
FQRefresh.FreeHandle; |
1959 |
+ |
InternalUnPrepare; |
1960 |
|
if Assigned(FBeforeTransactionEnd) then |
1961 |
|
FBeforeTransactionEnd(Sender); |
1962 |
|
end; |
1973 |
|
FTransactionFree(Sender); |
1974 |
|
end; |
1975 |
|
|
1976 |
< |
{ Read the record from FQSelect.Current into the record buffer |
1977 |
< |
Then write the buffer to in memory cache } |
1978 |
< |
procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL; |
1979 |
< |
RecordNumber: Integer; Buffer: PChar); |
1980 |
< |
var |
1981 |
< |
p: PRecordData; |
1982 |
< |
pbd: PBlobDataArray; |
1983 |
< |
i, j: Integer; |
1984 |
< |
LocalData: Pointer; |
1985 |
< |
LocalDate, LocalDouble: Double; |
1986 |
< |
LocalInt: Integer; |
1771 |
< |
LocalBool: wordBool; |
1772 |
< |
LocalInt64: Int64; |
1773 |
< |
LocalCurrency: Currency; |
1774 |
< |
FieldsLoaded: Integer; |
1775 |
< |
temp: TIBXSQLVAR; |
1976 |
> |
procedure TIBCustomDataSet.DoDeleteReturning(QryResults: IResults); |
1977 |
> |
begin |
1978 |
> |
if assigned(FOnDeleteReturning) then |
1979 |
> |
OnDeleteReturning(self,QryResults); |
1980 |
> |
end; |
1981 |
> |
|
1982 |
> |
procedure TIBCustomDataSet.InitModelBuffer(Qry: TIBSQL; Buffer: PChar); |
1983 |
> |
var i, j: Integer; |
1984 |
> |
FieldsLoaded: integer; |
1985 |
> |
p: PRecordData; |
1986 |
> |
colMetadata: IColumnMetaData; |
1987 |
|
begin |
1988 |
|
p := PRecordData(Buffer); |
1778 |
– |
{ Make sure blob cache is empty } |
1779 |
– |
pbd := PBlobDataArray(Buffer + FBlobCacheOffset); |
1780 |
– |
if RecordNumber > -1 then |
1781 |
– |
for i := 0 to BlobFieldCount - 1 do |
1782 |
– |
pbd^[i] := nil; |
1989 |
|
{ Get record information } |
1990 |
|
p^.rdBookmarkFlag := bfCurrent; |
1991 |
< |
p^.rdFieldCount := Qry.Current.Count; |
1992 |
< |
p^.rdRecordNumber := RecordNumber; |
1991 |
> |
p^.rdFieldCount := Qry.FieldCount; |
1992 |
> |
p^.rdRecordNumber := -1; |
1993 |
|
p^.rdUpdateStatus := usUnmodified; |
1994 |
|
p^.rdCachedUpdateStatus := cusUnmodified; |
1995 |
|
p^.rdSavedOffset := $FFFFFFFF; |
1996 |
|
|
1997 |
|
{ Load up the fields } |
1998 |
< |
FieldsLoaded := FQSelect.Current.Count; |
1998 |
> |
FieldsLoaded := FQSelect.MetaData.Count; |
1999 |
|
j := 1; |
2000 |
< |
for i := 0 to Qry.Current.Count - 1 do |
2000 |
> |
for i := 0 to Qry.MetaData.Count - 1 do |
2001 |
|
begin |
2002 |
|
if (Qry = FQSelect) then |
2003 |
|
j := i + 1 |
2004 |
< |
else begin |
2004 |
> |
else |
2005 |
> |
begin |
2006 |
|
if FieldsLoaded = 0 then |
2007 |
|
break; |
2008 |
< |
j := FQSelect.FieldIndex[Qry.Current[i].Name] + 1; |
2008 |
> |
j := FQSelect.FieldIndex[Qry[i].Name] + 1; |
2009 |
|
if j < 1 then |
2010 |
|
continue |
2011 |
|
else |
2012 |
|
Dec(FieldsLoaded); |
2013 |
|
end; |
2014 |
< |
with FQSelect.Current[j - 1].Data^ do |
1808 |
< |
if aliasname = 'IBX_INTERNAL_DBKEY' then {do not localize} |
1809 |
< |
begin |
1810 |
< |
if sqllen <= 8 then |
1811 |
< |
p^.rdDBKey := PIBDBKEY(Qry.Current[i].AsPointer)^; |
1812 |
< |
continue; |
1813 |
< |
end; |
1814 |
< |
if j > 0 then with p^ do |
2014 |
> |
if j > 0 then |
2015 |
|
begin |
2016 |
< |
rdFields[j].fdDataType := |
2017 |
< |
Qry.Current[i].Data^.sqltype and (not 1); |
2018 |
< |
rdFields[j].fdDataScale := |
2019 |
< |
Qry.Current[i].Data^.sqlscale; |
2020 |
< |
rdFields[j].fdNullable := |
2021 |
< |
(Qry.Current[i].Data^.sqltype and 1 = 1); |
2022 |
< |
rdFields[j].fdIsNull := |
2023 |
< |
(rdFields[j].fdNullable and (Qry.Current[i].Data^.sqlind^ = -1)); |
2024 |
< |
LocalData := Qry.Current[i].Data^.sqldata; |
2025 |
< |
case rdFields[j].fdDataType of |
2026 |
< |
SQL_TIMESTAMP: |
2016 |
> |
colMetadata := Qry.MetaData[i]; |
2017 |
> |
with p^.rdFields[j], FFieldColumns^[j] do |
2018 |
> |
begin |
2019 |
> |
fdDataType := colMetadata.GetSQLType; |
2020 |
> |
if fdDataType = SQL_BLOB then |
2021 |
> |
fdDataScale := 0 |
2022 |
> |
else |
2023 |
> |
fdDataScale := colMetadata.getScale; |
2024 |
> |
fdNullable := colMetadata.getIsNullable; |
2025 |
> |
fdIsNull := true; |
2026 |
> |
fdDataSize := colMetadata.GetSize; |
2027 |
> |
fdDataLength := 0; |
2028 |
> |
fdCodePage := CP_NONE; |
2029 |
> |
|
2030 |
> |
case fdDataType of |
2031 |
> |
SQL_TIMESTAMP, |
2032 |
> |
SQL_TYPE_DATE, |
2033 |
> |
SQL_TYPE_TIME: |
2034 |
> |
fdDataSize := SizeOf(TDateTime); |
2035 |
> |
SQL_SHORT, SQL_LONG: |
2036 |
|
begin |
2037 |
< |
rdFields[j].fdDataSize := SizeOf(TDateTime); |
2038 |
< |
if RecordNumber >= 0 then |
2039 |
< |
LocalDate := TimeStampToMSecs(DateTimeToTimeStamp(Qry.Current[i].AsDateTime)); |
2040 |
< |
LocalData := PChar(@LocalDate); |
2037 |
> |
if (fdDataScale = 0) then |
2038 |
> |
fdDataSize := SizeOf(Integer) |
2039 |
> |
else |
2040 |
> |
if (fdDataScale >= (-4)) then |
2041 |
> |
fdDataSize := SizeOf(Currency) |
2042 |
> |
else |
2043 |
> |
fdDataSize := SizeOf(Double); |
2044 |
|
end; |
2045 |
< |
SQL_TYPE_DATE: |
2045 |
> |
SQL_INT64: |
2046 |
|
begin |
2047 |
< |
rdFields[j].fdDataSize := SizeOf(TDateTime); |
2048 |
< |
if RecordNumber >= 0 then |
2049 |
< |
LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Date; |
2050 |
< |
LocalData := PChar(@LocalInt); |
2047 |
> |
if (fdDataScale = 0) then |
2048 |
> |
fdDataSize := SizeOf(Int64) |
2049 |
> |
else |
2050 |
> |
if (fdDataScale >= (-4)) then |
2051 |
> |
fdDataSize := SizeOf(Currency) |
2052 |
> |
else |
2053 |
> |
fdDataSize := SizeOf(Double); |
2054 |
|
end; |
2055 |
< |
SQL_TYPE_TIME: |
2055 |
> |
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
2056 |
> |
fdDataSize := SizeOf(Double); |
2057 |
> |
SQL_BOOLEAN: |
2058 |
> |
fdDataSize := SizeOf(wordBool); |
2059 |
> |
SQL_VARYING, |
2060 |
> |
SQL_TEXT, |
2061 |
> |
SQL_BLOB: |
2062 |
> |
fdCodePage := Qry.Metadata[i].getCodePage; |
2063 |
> |
end; |
2064 |
> |
fdDataOfs := FRecordSize; |
2065 |
> |
Inc(FRecordSize, fdDataSize); |
2066 |
> |
end; |
2067 |
> |
end; |
2068 |
> |
end; |
2069 |
> |
end; |
2070 |
> |
|
2071 |
> |
{Update Buffer Fields from Query Results} |
2072 |
> |
|
2073 |
> |
procedure TIBCustomDataSet.UpdateRecordFromQuery(QryResults: IResults; |
2074 |
> |
Buffer: PChar); |
2075 |
> |
var i, j: integer; |
2076 |
> |
begin |
2077 |
> |
for i := 0 to QryResults.Count - 1 do |
2078 |
> |
begin |
2079 |
> |
j := GetFieldPosition(QryResults[i].GetAliasName); |
2080 |
> |
if j > 0 then |
2081 |
> |
begin |
2082 |
> |
ColumnDataToBuffer(QryResults,i,j,Buffer); |
2083 |
> |
FBufferUpdatedOnQryReturn := true; |
2084 |
> |
end; |
2085 |
> |
end; |
2086 |
> |
end; |
2087 |
> |
|
2088 |
> |
|
2089 |
> |
{Move column data returned from query to row buffer} |
2090 |
> |
|
2091 |
> |
procedure TIBCustomDataSet.ColumnDataToBuffer(QryResults: IResults; |
2092 |
> |
ColumnIndex, FieldIndex: integer; Buffer: PChar); |
2093 |
> |
var |
2094 |
> |
LocalData: PByte; |
2095 |
> |
LocalDate: TDateTime; |
2096 |
> |
LocalDouble: Double; |
2097 |
> |
LocalInt: Integer; |
2098 |
> |
LocalBool: wordBool; |
2099 |
> |
LocalInt64: Int64; |
2100 |
> |
LocalCurrency: Currency; |
2101 |
> |
ColData: ISQLData; |
2102 |
> |
begin |
2103 |
> |
LocalData := nil; |
2104 |
> |
with PRecordData(Buffer)^.rdFields[FieldIndex], FFieldColumns^[FieldIndex] do |
2105 |
> |
begin |
2106 |
> |
QryResults.GetData(ColumnIndex,fdIsNull,fdDataLength,LocalData); |
2107 |
> |
if not fdIsNull then |
2108 |
> |
begin |
2109 |
> |
ColData := QryResults[ColumnIndex]; |
2110 |
> |
case fdDataType of {Get Formatted data for column types that need formatting} |
2111 |
> |
SQL_TYPE_DATE, |
2112 |
> |
SQL_TYPE_TIME, |
2113 |
> |
SQL_TIMESTAMP: |
2114 |
|
begin |
2115 |
< |
rdFields[j].fdDataSize := SizeOf(TDateTime); |
2116 |
< |
if RecordNumber >= 0 then |
2117 |
< |
LocalInt := DateTimeToTimeStamp(Qry.Current[i].AsDateTime).Time; |
1845 |
< |
LocalData := PChar(@LocalInt); |
2115 |
> |
{This is an IBX native format and not the TDataset approach. See also GetFieldData} |
2116 |
> |
LocalDate := ColData.AsDateTime; |
2117 |
> |
LocalData := PByte(@LocalDate); |
2118 |
|
end; |
2119 |
|
SQL_SHORT, SQL_LONG: |
2120 |
|
begin |
2121 |
< |
if (rdFields[j].fdDataScale = 0) then |
2121 |
> |
if (fdDataScale = 0) then |
2122 |
|
begin |
2123 |
< |
rdFields[j].fdDataSize := SizeOf(Integer); |
2124 |
< |
if RecordNumber >= 0 then |
1853 |
< |
LocalInt := Qry.Current[i].AsLong; |
1854 |
< |
LocalData := PChar(@LocalInt); |
2123 |
> |
LocalInt := ColData.AsLong; |
2124 |
> |
LocalData := PByte(@LocalInt); |
2125 |
|
end |
2126 |
< |
else if (rdFields[j].fdDataScale >= (-4)) then |
2127 |
< |
begin |
2128 |
< |
rdFields[j].fdDataSize := SizeOf(Currency); |
2129 |
< |
if RecordNumber >= 0 then |
2130 |
< |
LocalCurrency := Qry.Current[i].AsCurrency; |
2131 |
< |
LocalData := PChar(@LocalCurrency); |
2132 |
< |
end |
2133 |
< |
else begin |
2134 |
< |
rdFields[j].fdDataSize := SizeOf(Double); |
2135 |
< |
if RecordNumber >= 0 then |
2136 |
< |
LocalDouble := Qry.Current[i].AsDouble; |
1867 |
< |
LocalData := PChar(@LocalDouble); |
1868 |
< |
end; |
2126 |
> |
else |
2127 |
> |
if (fdDataScale >= (-4)) then |
2128 |
> |
begin |
2129 |
> |
LocalCurrency := ColData.AsCurrency; |
2130 |
> |
LocalData := PByte(@LocalCurrency); |
2131 |
> |
end |
2132 |
> |
else |
2133 |
> |
begin |
2134 |
> |
LocalDouble := ColData.AsDouble; |
2135 |
> |
LocalData := PByte(@LocalDouble); |
2136 |
> |
end; |
2137 |
|
end; |
2138 |
|
SQL_INT64: |
2139 |
|
begin |
2140 |
< |
if (rdFields[j].fdDataScale = 0) then |
2140 |
> |
if (fdDataScale = 0) then |
2141 |
|
begin |
2142 |
< |
rdFields[j].fdDataSize := SizeOf(Int64); |
2143 |
< |
if RecordNumber >= 0 then |
1876 |
< |
LocalInt64 := Qry.Current[i].AsInt64; |
1877 |
< |
LocalData := PChar(@LocalInt64); |
2142 |
> |
LocalInt64 := ColData.AsInt64; |
2143 |
> |
LocalData := PByte(@LocalInt64); |
2144 |
|
end |
2145 |
< |
else if (rdFields[j].fdDataScale >= (-4)) then |
2146 |
< |
begin |
1881 |
< |
rdFields[j].fdDataSize := SizeOf(Currency); |
1882 |
< |
if RecordNumber >= 0 then |
1883 |
< |
LocalCurrency := Qry.Current[i].AsCurrency; |
1884 |
< |
LocalData := PChar(@LocalCurrency); |
1885 |
< |
end |
1886 |
< |
else begin |
1887 |
< |
rdFields[j].fdDataSize := SizeOf(Double); |
1888 |
< |
if RecordNumber >= 0 then |
1889 |
< |
LocalDouble := Qry.Current[i].AsDouble; |
1890 |
< |
LocalData := PChar(@LocalDouble); |
1891 |
< |
end |
1892 |
< |
end; |
1893 |
< |
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
1894 |
< |
begin |
1895 |
< |
rdFields[j].fdDataSize := SizeOf(Double); |
1896 |
< |
if RecordNumber >= 0 then |
1897 |
< |
LocalDouble := Qry.Current[i].AsDouble; |
1898 |
< |
LocalData := PChar(@LocalDouble); |
1899 |
< |
end; |
1900 |
< |
SQL_VARYING: |
1901 |
< |
begin |
1902 |
< |
rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen; |
1903 |
< |
rdFields[j].fdDataLength := isc_vax_integer(Qry.Current[i].Data^.sqldata, 2); |
1904 |
< |
if RecordNumber >= 0 then |
2145 |
> |
else |
2146 |
> |
if (fdDataScale >= (-4)) then |
2147 |
|
begin |
2148 |
< |
if (rdFields[j].fdDataLength = 0) then |
2149 |
< |
LocalData := nil |
2148 |
> |
LocalCurrency := ColData.AsCurrency; |
2149 |
> |
LocalData := PByte(@LocalCurrency); |
2150 |
> |
end |
2151 |
|
else |
2152 |
|
begin |
2153 |
< |
temp := Qry.Current[i]; |
2154 |
< |
LocalData := @temp.Data^.sqldata[2]; |
2155 |
< |
(* LocalData := @Qry.Current[i].Data^.sqldata[2];*) |
1913 |
< |
end; |
1914 |
< |
end; |
2153 |
> |
LocalDouble := ColData.AsDouble; |
2154 |
> |
LocalData := PByte(@LocalDouble); |
2155 |
> |
end |
2156 |
|
end; |
2157 |
< |
SQL_BOOLEAN: |
2157 |
> |
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
2158 |
|
begin |
2159 |
< |
LocalBool:= false; |
2160 |
< |
rdFields[j].fdDataSize := SizeOf(wordBool); |
1920 |
< |
if RecordNumber >= 0 then |
1921 |
< |
LocalBool := Qry.Current[i].AsBoolean; |
1922 |
< |
LocalData := PChar(@LocalBool); |
2159 |
> |
LocalDouble := ColData.AsDouble; |
2160 |
> |
LocalData := PByte(@LocalDouble); |
2161 |
|
end; |
2162 |
< |
else { SQL_TEXT, SQL_BLOB, SQL_ARRAY, SQL_QUAD } |
2162 |
> |
SQL_BOOLEAN: |
2163 |
|
begin |
2164 |
< |
rdFields[j].fdDataSize := Qry.Current[i].Data^.sqllen; |
2165 |
< |
if (rdFields[j].fdDataType = SQL_TEXT) then |
1928 |
< |
rdFields[j].fdDataLength := rdFields[j].fdDataSize; |
2164 |
> |
LocalBool := ColData.AsBoolean; |
2165 |
> |
LocalData := PByte(@LocalBool); |
2166 |
|
end; |
2167 |
|
end; |
2168 |
< |
if RecordNumber < 0 then |
2168 |
> |
|
2169 |
> |
if fdDataType = SQL_VARYING then |
2170 |
> |
Move(LocalData^, Buffer[fdDataOfs], fdDataLength) |
2171 |
> |
else |
2172 |
> |
Move(LocalData^, Buffer[fdDataOfs], fdDataSize) |
2173 |
> |
end |
2174 |
> |
else {Null column} |
2175 |
> |
if fdDataType = SQL_VARYING then |
2176 |
> |
FillChar(Buffer[fdDataOfs],fdDataLength,0) |
2177 |
> |
else |
2178 |
> |
FillChar(Buffer[fdDataOfs],fdDataSize,0); |
2179 |
> |
end; |
2180 |
> |
end; |
2181 |
> |
|
2182 |
> |
{ Read the record from FQSelect.Current into the record buffer |
2183 |
> |
Then write the buffer to in memory cache } |
2184 |
> |
procedure TIBCustomDataSet.FetchCurrentRecordToBuffer(Qry: TIBSQL; |
2185 |
> |
RecordNumber: Integer; Buffer: PChar); |
2186 |
> |
var |
2187 |
> |
pbd: PBlobDataArray; |
2188 |
> |
pda: PArrayDataArray; |
2189 |
> |
i, j: Integer; |
2190 |
> |
FieldsLoaded: Integer; |
2191 |
> |
p: PRecordData; |
2192 |
> |
begin |
2193 |
> |
if RecordNumber = -1 then |
2194 |
> |
begin |
2195 |
> |
InitModelBuffer(Qry,Buffer); |
2196 |
> |
Exit; |
2197 |
> |
end; |
2198 |
> |
p := PRecordData(Buffer); |
2199 |
> |
{ Make sure blob cache is empty } |
2200 |
> |
pbd := PBlobDataArray(Buffer + FBlobCacheOffset); |
2201 |
> |
pda := PArrayDataArray(Buffer + FArrayCacheOffset); |
2202 |
> |
for i := 0 to BlobFieldCount - 1 do |
2203 |
> |
pbd^[i] := nil; |
2204 |
> |
for i := 0 to ArrayFieldCount - 1 do |
2205 |
> |
pda^[i] := nil; |
2206 |
> |
|
2207 |
> |
{ Get record information } |
2208 |
> |
p^.rdBookmarkFlag := bfCurrent; |
2209 |
> |
p^.rdFieldCount := Qry.FieldCount; |
2210 |
> |
p^.rdRecordNumber := RecordNumber; |
2211 |
> |
p^.rdUpdateStatus := usUnmodified; |
2212 |
> |
p^.rdCachedUpdateStatus := cusUnmodified; |
2213 |
> |
p^.rdSavedOffset := $FFFFFFFF; |
2214 |
> |
|
2215 |
> |
{ Load up the fields } |
2216 |
> |
FieldsLoaded := FQSelect.MetaData.Count; |
2217 |
> |
j := 1; |
2218 |
> |
for i := 0 to Qry.FieldCount - 1 do |
2219 |
> |
begin |
2220 |
> |
if (Qry = FQSelect) then |
2221 |
> |
j := i + 1 |
2222 |
> |
else |
2223 |
> |
begin |
2224 |
> |
if FieldsLoaded = 0 then |
2225 |
> |
break; |
2226 |
> |
j := FQSelect.FieldIndex[Qry[i].Name] + 1; |
2227 |
> |
if j < 1 then |
2228 |
> |
continue |
2229 |
> |
else |
2230 |
> |
Dec(FieldsLoaded); |
2231 |
> |
end; |
2232 |
> |
with FQSelect.MetaData[j - 1] do |
2233 |
> |
if GetAliasname = 'IBX_INTERNAL_DBKEY' then {do not localize} |
2234 |
|
begin |
2235 |
< |
rdFields[j].fdIsNull := True; |
2236 |
< |
rdFields[j].fdDataOfs := FRecordSize; |
2237 |
< |
Inc(FRecordSize, rdFields[j].fdDataSize); |
1936 |
< |
end |
1937 |
< |
else begin |
1938 |
< |
if rdFields[j].fdDataType = SQL_VARYING then |
1939 |
< |
begin |
1940 |
< |
if LocalData <> nil then |
1941 |
< |
Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataLength) |
1942 |
< |
end |
1943 |
< |
else |
1944 |
< |
Move(LocalData^, Buffer[rdFields[j].fdDataOfs], rdFields[j].fdDataSize) |
2235 |
> |
if (GetSize <= 8) then |
2236 |
> |
p^.rdDBKey := PIBDBKEY(Qry[i].AsPointer)^; |
2237 |
> |
continue; |
2238 |
|
end; |
2239 |
< |
end; |
2239 |
> |
if j > 0 then |
2240 |
> |
ColumnDataToBuffer(Qry.Current,i,j,Buffer); |
2241 |
|
end; |
2242 |
< |
WriteRecordCache(RecordNumber, PChar(p)); |
2242 |
> |
WriteRecordCache(RecordNumber, Buffer); |
2243 |
|
end; |
2244 |
|
|
2245 |
|
function TIBCustomDataSet.GetActiveBuf: PChar; |
2284 |
|
result := FBase.Database; |
2285 |
|
end; |
2286 |
|
|
1993 |
– |
function TIBCustomDataSet.GetDBHandle: PISC_DB_HANDLE; |
1994 |
– |
begin |
1995 |
– |
result := FBase.DBHandle; |
1996 |
– |
end; |
1997 |
– |
|
2287 |
|
function TIBCustomDataSet.GetDeleteSQL: TStrings; |
2288 |
|
begin |
2289 |
|
result := FQDelete.SQL; |
2294 |
|
result := FQInsert.SQL; |
2295 |
|
end; |
2296 |
|
|
2297 |
< |
function TIBCustomDataSet.GetSQLParams: TIBXSQLDA; |
2297 |
> |
function TIBCustomDataSet.GetSQLParams: ISQLParams; |
2298 |
|
begin |
2299 |
|
if not FInternalPrepared then |
2300 |
|
InternalPrepare; |
2311 |
|
result := FQSelect.SQL; |
2312 |
|
end; |
2313 |
|
|
2314 |
< |
function TIBCustomDataSet.GetStatementType: TIBSQLTypes; |
2314 |
> |
function TIBCustomDataSet.GetStatementType: TIBSQLStatementTypes; |
2315 |
|
begin |
2316 |
< |
result := FQSelect.SQLType; |
2316 |
> |
result := FQSelect.SQLStatementType; |
2317 |
|
end; |
2318 |
|
|
2319 |
|
function TIBCustomDataSet.GetModifySQL: TStrings; |
2326 |
|
result := FBase.Transaction; |
2327 |
|
end; |
2328 |
|
|
2040 |
– |
function TIBCustomDataSet.GetTRHandle: PISC_TR_HANDLE; |
2041 |
– |
begin |
2042 |
– |
result := FBase.TRHandle; |
2043 |
– |
end; |
2044 |
– |
|
2329 |
|
procedure TIBCustomDataSet.InternalDeleteRecord(Qry: TIBSQL; Buff: Pointer); |
2330 |
|
begin |
2331 |
|
if (Assigned(FUpdateObject) and (FUpdateObject.GetSQL(ukDelete).Text <> '')) then |
2332 |
|
FUpdateObject.Apply(ukDelete,Buff) |
2333 |
|
else |
2334 |
|
begin |
2335 |
< |
SetInternalSQLParams(FQDelete, Buff); |
2335 |
> |
SetInternalSQLParams(FQDelete.Params, Buff); |
2336 |
|
FQDelete.ExecQuery; |
2337 |
+ |
if (FQDelete.FieldCount > 0) then |
2338 |
+ |
DoDeleteReturning(FQDelete.Current); |
2339 |
|
end; |
2340 |
|
with PRecordData(Buff)^ do |
2341 |
|
begin |
2349 |
|
const KeyValues: Variant; Options: TLocateOptions): Boolean; |
2350 |
|
var |
2351 |
|
keyFieldList: TList; |
2066 |
– |
{$IFDEF NEW_TBOOKMARK } |
2352 |
|
CurBookmark: TBookmark; |
2068 |
– |
{$ELSE} |
2069 |
– |
CurBookmark: string; |
2070 |
– |
{$ENDIF} |
2353 |
|
fieldValue: Variant; |
2354 |
|
lookupValues: array of variant; |
2355 |
|
i, fieldCount: Integer; |
2431 |
|
|
2432 |
|
procedure TIBCustomDataSet.InternalPostRecord(Qry: TIBSQL; Buff: Pointer); |
2433 |
|
var |
2434 |
< |
i, j, k: Integer; |
2434 |
> |
i, j, k, arr: Integer; |
2435 |
|
pbd: PBlobDataArray; |
2436 |
+ |
pda: PArrayDataArray; |
2437 |
|
begin |
2438 |
|
pbd := PBlobDataArray(PChar(Buff) + FBlobCacheOffset); |
2439 |
< |
j := 0; |
2439 |
> |
pda := PArrayDataArray(PChar(Buff) + FArrayCacheOffset); |
2440 |
> |
j := 0; arr := 0; |
2441 |
|
for i := 0 to FieldCount - 1 do |
2442 |
|
if Fields[i].IsBlob then |
2443 |
|
begin |
2446 |
|
begin |
2447 |
|
pbd^[j].Finalize; |
2448 |
|
PISC_QUAD( |
2449 |
< |
PChar(Buff) + PRecordData(Buff)^.rdFields[k].fdDataOfs)^ := |
2449 |
> |
PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ := |
2450 |
|
pbd^[j].BlobID; |
2451 |
|
PRecordData(Buff)^.rdFields[k].fdIsNull := pbd^[j].Size = 0; |
2452 |
+ |
end |
2453 |
+ |
else |
2454 |
+ |
begin |
2455 |
+ |
PRecordData(Buff)^.rdFields[k].fdIsNull := true; |
2456 |
+ |
with PISC_QUAD(PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ do |
2457 |
+ |
begin |
2458 |
+ |
gds_quad_high := 0; |
2459 |
+ |
gds_quad_low := 0; |
2460 |
+ |
end; |
2461 |
|
end; |
2462 |
|
Inc(j); |
2463 |
+ |
end |
2464 |
+ |
else |
2465 |
+ |
if Fields[i] is TIBArrayField then |
2466 |
+ |
begin |
2467 |
+ |
if pda^[arr] <> nil then |
2468 |
+ |
begin |
2469 |
+ |
k := FMappedFieldPosition[Fields[i].FieldNo -1]; |
2470 |
+ |
PISC_QUAD( |
2471 |
+ |
PChar(Buff) + FFieldColumns^[k].fdDataOfs)^ := pda^[arr].ArrayIntf.GetArrayID; |
2472 |
+ |
PRecordData(Buff)^.rdFields[k].fdIsNull := pda^[arr].ArrayIntf.IsEmpty; |
2473 |
+ |
end; |
2474 |
+ |
Inc(arr); |
2475 |
|
end; |
2476 |
+ |
FBufferUpdatedOnQryReturn := false; |
2477 |
|
if Assigned(FUpdateObject) then |
2478 |
|
begin |
2479 |
|
if (Qry = FQDelete) then |
2484 |
|
FUpdateObject.Apply(ukModify,Buff); |
2485 |
|
end |
2486 |
|
else begin |
2487 |
< |
SetInternalSQLParams(Qry, Buff); |
2487 |
> |
SetInternalSQLParams(Qry.Params, Buff); |
2488 |
|
Qry.ExecQuery; |
2489 |
+ |
if Qry.FieldCount > 0 then {Has RETURNING Clause} |
2490 |
+ |
UpdateRecordFromQuery(Qry.Current,Buff); |
2491 |
|
end; |
2492 |
|
PRecordData(Buff)^.rdUpdateStatus := usUnmodified; |
2493 |
|
PRecordData(Buff)^.rdCachedUpdateStatus := cusUnmodified; |
2494 |
|
SetModified(False); |
2495 |
|
WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Buff); |
2496 |
< |
if (FForcedRefresh or FNeedsRefresh) and CanRefresh then |
2496 |
> |
if (FForcedRefresh or (FNeedsRefresh and not FBufferUpdatedOnQryReturn)) and CanRefresh then |
2497 |
|
InternalRefreshRow; |
2498 |
|
end; |
2499 |
|
|
2520 |
|
end |
2521 |
|
else |
2522 |
|
Qry := FQRefresh; |
2523 |
< |
SetInternalSQLParams(Qry, Buff); |
2523 |
> |
SetInternalSQLParams(Qry.Params, Buff); |
2524 |
|
Qry.ExecQuery; |
2525 |
|
try |
2526 |
< |
if (Qry.SQLType = SQLExecProcedure) or |
2219 |
< |
(Qry.Next <> nil) then |
2526 |
> |
if (Qry.SQLStatementType = SQLExecProcedure) or Qry.Next then |
2527 |
|
begin |
2528 |
|
ofs := PRecordData(Buff)^.rdSavedOffset; |
2529 |
|
FetchCurrentRecordToBuffer(Qry, |
2616 |
|
end; |
2617 |
|
|
2618 |
|
procedure TIBCustomDataSet.InternalPrepare; |
2312 |
– |
var |
2313 |
– |
DidActivate: Boolean; |
2619 |
|
begin |
2620 |
|
if FInternalPrepared then |
2621 |
|
Exit; |
2317 |
– |
DidActivate := False; |
2622 |
|
FBase.SetCursor; |
2623 |
|
try |
2624 |
|
ActivateConnection; |
2625 |
< |
DidActivate := ActivateTransaction; |
2625 |
> |
ActivateTransaction; |
2626 |
|
FBase.CheckDatabase; |
2627 |
|
FBase.CheckTransaction; |
2628 |
|
if HasParser and (FParser.SQLText <> FQSelect.SQL.Text) then |
2660 |
|
end else |
2661 |
|
IBError(ibxeEmptyQuery, [nil]); |
2662 |
|
finally |
2359 |
– |
if DidActivate then |
2360 |
– |
DeactivateTransaction; |
2663 |
|
FBase.RestoreCursor; |
2664 |
|
end; |
2665 |
|
end; |
2689 |
|
begin |
2690 |
|
CopyRecordBuffer(Buffer, OldBuffer); |
2691 |
|
if BlobFieldCount > 0 then |
2692 |
< |
FillChar(PChar(OldBuffer)[FBlobCacheOffset], BlobFieldCount * SizeOf(TIBBlobStream), |
2692 |
> |
FillChar(PChar(OldBuffer)[FBlobCacheOffset], |
2693 |
> |
BlobFieldCount * SizeOf(TIBBlobStream) + ArrayFieldCount * SizeOf(IArray), |
2694 |
|
0); |
2695 |
|
end; |
2696 |
|
|
2729 |
|
|
2730 |
|
procedure TIBCustomDataSet.SetDatabase(Value: TIBDatabase); |
2731 |
|
begin |
2732 |
< |
if (FBase.Database <> Value) then |
2732 |
> |
if (csLoading in ComponentState) or (FBase.Database <> Value) then |
2733 |
|
begin |
2734 |
|
CheckDatasetClosed; |
2735 |
+ |
InternalUnPrepare; |
2736 |
|
FBase.Database := Value; |
2737 |
|
FQDelete.Database := Value; |
2738 |
|
FQInsert.Database := Value; |
2739 |
|
FQRefresh.Database := Value; |
2740 |
|
FQSelect.Database := Value; |
2741 |
|
FQModify.Database := Value; |
2742 |
+ |
FDatabaseInfo.Database := Value; |
2743 |
+ |
FGeneratorField.Database := Value; |
2744 |
|
end; |
2745 |
|
end; |
2746 |
|
|
2762 |
|
end; |
2763 |
|
end; |
2764 |
|
|
2765 |
< |
procedure TIBCustomDataSet.SetInternalSQLParams(Qry: TIBSQL; Buffer: Pointer); |
2765 |
> |
procedure TIBCustomDataSet.SetInternalSQLParams(Params: ISQLParams; Buffer: Pointer); |
2766 |
|
var |
2767 |
|
i, j: Integer; |
2768 |
|
cr, data: PChar; |
2769 |
< |
fn, st: string; |
2769 |
> |
fn: string; |
2770 |
> |
st: RawByteString; |
2771 |
|
OldBuffer: Pointer; |
2772 |
< |
ts: TTimeStamp; |
2772 |
> |
Param: ISQLParam; |
2773 |
|
begin |
2774 |
|
if (Buffer = nil) then |
2775 |
|
IBError(ibxeBufferNotSet, [nil]); |
2777 |
|
InternalPrepare; |
2778 |
|
OldBuffer := nil; |
2779 |
|
try |
2780 |
< |
for i := 0 to Qry.Params.Count - 1 do |
2780 |
> |
for i := 0 to Params.GetCount - 1 do |
2781 |
|
begin |
2782 |
< |
fn := Qry.Params[i].Name; |
2782 |
> |
Param := Params[i]; |
2783 |
> |
fn := Param.Name; |
2784 |
|
if (Pos('OLD_', fn) = 1) then {mbcs ok} |
2785 |
|
begin |
2786 |
|
fn := Copy(fn, 5, Length(fn)); |
2800 |
|
cr := Buffer; |
2801 |
|
j := FQSelect.FieldIndex[fn] + 1; |
2802 |
|
if (j > 0) then |
2803 |
< |
with PRecordData(cr)^ do |
2803 |
> |
with PRecordData(cr)^,rdFields[j], FFieldColumns^[j] do |
2804 |
|
begin |
2805 |
< |
if Qry.Params[i].name = 'IBX_INTERNAL_DBKEY' then {do not localize} |
2805 |
> |
if Param.name = 'IBX_INTERNAL_DBKEY' then {do not localize} |
2806 |
|
begin |
2807 |
< |
PIBDBKey(Qry.Params[i].AsPointer)^ := rdDBKey; |
2807 |
> |
PIBDBKey(Param.AsPointer)^ := rdDBKey; |
2808 |
|
continue; |
2809 |
|
end; |
2810 |
< |
if rdFields[j].fdIsNull then |
2811 |
< |
Qry.Params[i].IsNull := True |
2810 |
> |
if fdIsNull then |
2811 |
> |
Param.IsNull := True |
2812 |
|
else begin |
2813 |
< |
Qry.Params[i].IsNull := False; |
2814 |
< |
data := cr + rdFields[j].fdDataOfs; |
2815 |
< |
case rdFields[j].fdDataType of |
2813 |
> |
Param.IsNull := False; |
2814 |
> |
data := cr + fdDataOfs; |
2815 |
> |
case fdDataType of |
2816 |
|
SQL_TEXT, SQL_VARYING: |
2817 |
|
begin |
2818 |
< |
SetString(st, data, rdFields[j].fdDataLength); |
2819 |
< |
Qry.Params[i].AsString := st; |
2818 |
> |
SetString(st, data, fdDataLength); |
2819 |
> |
SetCodePage(st,fdCodePage,false); |
2820 |
> |
Param.AsString := st; |
2821 |
|
end; |
2822 |
|
SQL_FLOAT, SQL_DOUBLE, SQL_D_FLOAT: |
2823 |
< |
Qry.Params[i].AsDouble := PDouble(data)^; |
2823 |
> |
Param.AsDouble := PDouble(data)^; |
2824 |
|
SQL_SHORT, SQL_LONG: |
2825 |
|
begin |
2826 |
< |
if rdFields[j].fdDataScale = 0 then |
2827 |
< |
Qry.Params[i].AsLong := PLong(data)^ |
2828 |
< |
else if rdFields[j].fdDataScale >= (-4) then |
2829 |
< |
Qry.Params[i].AsCurrency := PCurrency(data)^ |
2826 |
> |
if fdDataScale = 0 then |
2827 |
> |
Param.AsLong := PLong(data)^ |
2828 |
> |
else |
2829 |
> |
if fdDataScale >= (-4) then |
2830 |
> |
Param.AsCurrency := PCurrency(data)^ |
2831 |
|
else |
2832 |
< |
Qry.Params[i].AsDouble := PDouble(data)^; |
2832 |
> |
Param.AsDouble := PDouble(data)^; |
2833 |
|
end; |
2834 |
|
SQL_INT64: |
2835 |
|
begin |
2836 |
< |
if rdFields[j].fdDataScale = 0 then |
2837 |
< |
Qry.Params[i].AsInt64 := PInt64(data)^ |
2528 |
< |
else if rdFields[j].fdDataScale >= (-4) then |
2529 |
< |
Qry.Params[i].AsCurrency := PCurrency(data)^ |
2836 |
> |
if fdDataScale = 0 then |
2837 |
> |
Param.AsInt64 := PInt64(data)^ |
2838 |
|
else |
2839 |
< |
Qry.Params[i].AsDouble := PDouble(data)^; |
2839 |
> |
if fdDataScale >= (-4) then |
2840 |
> |
Param.AsCurrency := PCurrency(data)^ |
2841 |
> |
else |
2842 |
> |
Param.AsDouble := PDouble(data)^; |
2843 |
|
end; |
2844 |
|
SQL_BLOB, SQL_ARRAY, SQL_QUAD: |
2845 |
< |
Qry.Params[i].AsQuad := PISC_QUAD(data)^; |
2846 |
< |
SQL_TYPE_DATE: |
2847 |
< |
begin |
2537 |
< |
ts.Date := PInt(data)^; |
2538 |
< |
ts.Time := 0; |
2539 |
< |
Qry.Params[i].AsDate := |
2540 |
< |
TimeStampToDateTime(ts); |
2541 |
< |
end; |
2542 |
< |
SQL_TYPE_TIME: |
2543 |
< |
begin |
2544 |
< |
ts.Date := 0; |
2545 |
< |
ts.Time := PInt(data)^; |
2546 |
< |
Qry.Params[i].AsTime := |
2547 |
< |
TimeStampToDateTime(ts); |
2548 |
< |
end; |
2845 |
> |
Param.AsQuad := PISC_QUAD(data)^; |
2846 |
> |
SQL_TYPE_DATE, |
2847 |
> |
SQL_TYPE_TIME, |
2848 |
|
SQL_TIMESTAMP: |
2849 |
< |
Qry.Params[i].AsDateTime := |
2850 |
< |
TimeStampToDateTime(MSecsToTimeStamp(trunc(PDouble(data)^))); |
2849 |
> |
{This is an IBX native format and not the TDataset approach. See also SetFieldData} |
2850 |
> |
Param.AsDateTime := PDateTime(data)^; |
2851 |
|
SQL_BOOLEAN: |
2852 |
< |
Qry.Params[i].AsBoolean := PWordBool(data)^; |
2852 |
> |
Param.AsBoolean := PWordBool(data)^; |
2853 |
|
end; |
2854 |
|
end; |
2855 |
|
end; |
2898 |
|
FQRefresh.Transaction := Value; |
2899 |
|
FQSelect.Transaction := Value; |
2900 |
|
FQModify.Transaction := Value; |
2901 |
+ |
FGeneratorField.Transaction := Value; |
2902 |
|
end; |
2903 |
|
end; |
2904 |
|
|
3006 |
|
Result := Assigned( FQSelect ) and FQSelect.EOF; |
3007 |
|
end; |
3008 |
|
|
3009 |
< |
function TIBCustomDataSet.ParamByName(ParamName: String): TIBXSQLVAR; |
3009 |
> |
function TIBCustomDataSet.ParamByName(ParamName: String): ISQLParam; |
3010 |
|
begin |
3011 |
|
ActivateConnection; |
3012 |
|
ActivateTransaction; |
3143 |
|
Buff: PChar; |
3144 |
|
bTr, bDB: Boolean; |
3145 |
|
begin |
3146 |
+ |
if (Field = nil) or (Field.DataSet <> self) then |
3147 |
+ |
IBError(ibxFieldNotinDataSet,[Field.Name,Name]); |
3148 |
|
Buff := GetActiveBuf; |
3149 |
|
if Buff = nil then |
3150 |
|
begin |
3151 |
|
fs := TIBBlobStream.Create; |
3152 |
|
fs.Mode := bmReadWrite; |
3153 |
+ |
fs.Database := Database; |
3154 |
+ |
fs.Transaction := Transaction; |
3155 |
+ |
fs.SetField(Field); |
3156 |
|
FBlobStreamList.Add(Pointer(fs)); |
3157 |
|
result := TIBDSBlobStream.Create(Field, fs, Mode); |
3158 |
|
exit; |
3167 |
|
fs.Mode := bmReadWrite; |
3168 |
|
fs.Database := Database; |
3169 |
|
fs.Transaction := Transaction; |
3170 |
+ |
fs.SetField(Field); |
3171 |
|
fs.BlobID := |
3172 |
< |
PISC_QUAD(@Buff[PRecordData(Buff)^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^; |
3172 |
> |
PISC_QUAD(@Buff[FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs])^; |
3173 |
|
if (CachedUpdates) then |
3174 |
|
begin |
3175 |
|
bTr := not Transaction.InTransaction; |
3190 |
|
result := TIBDSBlobStream.Create(Field, fs, Mode); |
3191 |
|
end; |
3192 |
|
|
3193 |
+ |
function TIBCustomDataSet.GetArray(Field: TIBArrayField): IArray; |
3194 |
+ |
var Buff: PChar; |
3195 |
+ |
pda: PArrayDataArray; |
3196 |
+ |
bTr, bDB: Boolean; |
3197 |
+ |
begin |
3198 |
+ |
if (Field = nil) or (Field.DataSet <> self) then |
3199 |
+ |
IBError(ibxFieldNotinDataSet,[Field.Name,Name]); |
3200 |
+ |
Buff := GetActiveBuf; |
3201 |
+ |
if Buff = nil then |
3202 |
+ |
Result := Database.Attachment.CreateArray(Transaction.TransactionIntf, |
3203 |
+ |
Field.FRelationName,Field.FieldName) |
3204 |
+ |
else |
3205 |
+ |
begin |
3206 |
+ |
pda := PArrayDataArray(Buff + FArrayCacheOffset); |
3207 |
+ |
if pda^[Field.FCacheOffset] = nil then |
3208 |
+ |
begin |
3209 |
+ |
AdjustRecordOnInsert(Buff); |
3210 |
+ |
if Field.IsNull then |
3211 |
+ |
Result := Database.Attachment.CreateArray(Transaction.TransactionIntf, |
3212 |
+ |
Field.FRelationName,Field.FieldName) |
3213 |
+ |
else |
3214 |
+ |
Result := Database.Attachment.OpenArray(Transaction.TransactionIntf, |
3215 |
+ |
Field.FRelationName,Field.FieldName,Field.ArrayID); |
3216 |
+ |
pda^[Field.FCacheOffset] := TIBArray.Create(Field,Result); |
3217 |
+ |
FArrayList.Add(pda^[Field.FCacheOffset]); |
3218 |
+ |
if (CachedUpdates) then |
3219 |
+ |
begin |
3220 |
+ |
bTr := not Transaction.InTransaction; |
3221 |
+ |
bDB := not Database.Connected; |
3222 |
+ |
if bDB then |
3223 |
+ |
Database.Open; |
3224 |
+ |
if bTr then |
3225 |
+ |
Transaction.StartTransaction; |
3226 |
+ |
pda^[Field.FCacheOffset].ArrayIntf.PreLoad; |
3227 |
+ |
if bTr then |
3228 |
+ |
Transaction.Commit; |
3229 |
+ |
if bDB then |
3230 |
+ |
Database.Close; |
3231 |
+ |
end; |
3232 |
+ |
WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff)); |
3233 |
+ |
end |
3234 |
+ |
else |
3235 |
+ |
Result := pda^[Field.FCacheOffset].ArrayIntf; |
3236 |
+ |
end; |
3237 |
+ |
end; |
3238 |
+ |
|
3239 |
+ |
procedure TIBCustomDataSet.SetArrayIntf(AnArray: IArray; Field: TIBArrayField); |
3240 |
+ |
var Buff: PChar; |
3241 |
+ |
pda: PArrayDataArray; |
3242 |
+ |
begin |
3243 |
+ |
if (Field = nil) or (Field.DataSet <> self) then |
3244 |
+ |
IBError(ibxFieldNotinDataSet,[Field.Name,Name]); |
3245 |
+ |
Buff := GetActiveBuf; |
3246 |
+ |
if Buff <> nil then |
3247 |
+ |
begin |
3248 |
+ |
AdjustRecordOnInsert(Buff); |
3249 |
+ |
pda := PArrayDataArray(Buff + FArrayCacheOffset); |
3250 |
+ |
pda^[Field.FCacheOffset].FArray := AnArray; |
3251 |
+ |
WriteRecordCache(PRecordData(Buff)^.rdRecordNumber, Pointer(Buff)); |
3252 |
+ |
end; |
3253 |
+ |
end; |
3254 |
+ |
|
3255 |
|
function TIBCustomDataSet.CompareBookmarks(Bookmark1, Bookmark2: TBookmark): Integer; |
3256 |
|
const |
3257 |
|
CMPLess = -1; |
3332 |
|
procedure TIBCustomDataSet.DoBeforeClose; |
3333 |
|
begin |
3334 |
|
inherited DoBeforeClose; |
3335 |
+ |
if FInTransactionEnd and (FCloseAction = TARollback) then |
3336 |
+ |
Exit; |
3337 |
|
if State in [dsInsert,dsEdit] then |
3338 |
|
begin |
2969 |
– |
if FInTransactionEnd and (FCloseAction = TARollback) then |
2970 |
– |
Exit; |
2971 |
– |
|
3339 |
|
if DataSetCloseAction = dcSaveChanges then |
3340 |
|
Post; |
3341 |
|
{Note this can fail with an exception e.g. due to |
3342 |
|
database validation error. In which case the dataset remains open } |
3343 |
|
end; |
3344 |
+ |
if FCachedUpdates and FUpdatesPending and (DataSetCloseAction = dcSaveChanges) then |
3345 |
+ |
ApplyUpdates; |
3346 |
|
end; |
3347 |
|
|
3348 |
|
procedure TIBCustomDataSet.DoBeforeOpen; |
3374 |
|
|
3375 |
|
procedure TIBCustomDataSet.FetchAll; |
3376 |
|
var |
3008 |
– |
{$IFDEF NEW_TBOOKMARK } |
3377 |
|
CurBookmark: TBookmark; |
3010 |
– |
{$ELSE} |
3011 |
– |
CurBookmark: string; |
3012 |
– |
{$ENDIF} |
3378 |
|
begin |
3379 |
|
FBase.SetCursor; |
3380 |
|
try |
3485 |
|
if result and (Buffer <> nil) then |
3486 |
|
Move(Buff[1], Buffer^, Field.DataSize); |
3487 |
|
end |
3488 |
< |
else if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and |
3488 |
> |
else |
3489 |
> |
if (FMappedFieldPosition[Field.FieldNo - 1] > 0) and |
3490 |
|
(FMappedFieldPosition[Field.FieldNo - 1] <= CurrentRecord^.rdFieldCount) then |
3491 |
+ |
with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]], |
3492 |
+ |
FFieldColumns^[FMappedFieldPosition[Field.FieldNo - 1]] do |
3493 |
|
begin |
3494 |
< |
result := not CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdIsNull; |
3494 |
> |
result := not fdIsNull; |
3495 |
|
if result and (Buffer <> nil) then |
3128 |
– |
with CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]] do |
3496 |
|
begin |
3497 |
< |
Data := Buff + CurrentRecord^.rdFields[FMappedFieldPosition[Field.FieldNo - 1]].fdDataOfs; |
3497 |
> |
Data := Buff + fdDataOfs; |
3498 |
|
if (fdDataType = SQL_VARYING) or (fdDataType = SQL_TEXT) then |
3499 |
|
begin |
3500 |
|
if fdDataLength < Field.DataSize then |
3565 |
|
if FCurrentRecord < FRecordCount then |
3566 |
|
ReadRecordCache(FCurrentRecord, Buffer, False) |
3567 |
|
else begin |
3568 |
< |
while (not FQSelect.EOF) and |
3202 |
< |
(FQSelect.Next <> nil) and |
3568 |
> |
while (not FQSelect.EOF) and FQSelect.Next and |
3569 |
|
(FCurrentRecord >= FRecordCount) do begin |
3570 |
|
FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer); |
3571 |
|
Inc(FRecordCount); |
3676 |
|
var |
3677 |
|
Buff: PChar; |
3678 |
|
CurRec: Integer; |
3679 |
+ |
pda: PArrayDataArray; |
3680 |
+ |
i: integer; |
3681 |
|
begin |
3682 |
|
inherited InternalCancel; |
3683 |
|
Buff := GetActiveBuf; |
3684 |
< |
if Buff <> nil then begin |
3684 |
> |
if Buff <> nil then |
3685 |
> |
begin |
3686 |
> |
pda := PArrayDataArray(Buff + FArrayCacheOffset); |
3687 |
> |
for i := 0 to ArrayFieldCount - 1 do |
3688 |
> |
pda^[i].ArrayIntf.CancelChanges; |
3689 |
|
CurRec := FCurrentRecord; |
3690 |
|
AdjustRecordOnInsert(Buff); |
3691 |
|
if (State = dsEdit) then begin |
3708 |
|
DeactivateTransaction; |
3709 |
|
FQSelect.Close; |
3710 |
|
ClearBlobCache; |
3711 |
+ |
ClearArrayCache; |
3712 |
|
FreeRecordBuffer(FModelBuffer); |
3713 |
|
FreeRecordBuffer(FOldBuffer); |
3714 |
|
FCurrentRecord := -1; |
3724 |
|
FOBEnd := 0; |
3725 |
|
FreeMem(FBufferCache); |
3726 |
|
FBufferCache := nil; |
3727 |
+ |
FreeMem(FFieldColumns); |
3728 |
+ |
FFieldColumns := nil; |
3729 |
|
FreeMem(FOldBufferCache); |
3730 |
|
FOldBufferCache := nil; |
3731 |
|
BindFields(False); |
3800 |
|
'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize} |
3801 |
|
'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize} |
3802 |
|
' (not F.RDB$DEFAULT_VALUE is NULL)) '; {do not localize} |
3803 |
+ |
|
3804 |
+ |
DefaultSQLODS12 = 'Select F.RDB$COMPUTED_BLR, ' + {do not localize} |
3805 |
+ |
'F.RDB$DEFAULT_VALUE, R.RDB$FIELD_NAME, R.RDB$IDENTITY_TYPE ' + {do not localize} |
3806 |
+ |
'from RDB$RELATION_FIELDS R, RDB$FIELDS F ' + {do not localize} |
3807 |
+ |
'where R.RDB$RELATION_NAME = :RELATION ' + {do not localize} |
3808 |
+ |
'and R.RDB$FIELD_SOURCE = F.RDB$FIELD_NAME '+ {do not localize} |
3809 |
+ |
'and ((not F.RDB$COMPUTED_BLR is NULL) or ' + {do not localize} |
3810 |
+ |
' (not F.RDB$DEFAULT_VALUE is NULL) or ' + {do not localize} |
3811 |
+ |
' ( not R.RDB$IDENTITY_TYPE is NULL))' ; {do not localize} |
3812 |
+ |
|
3813 |
|
var |
3814 |
|
FieldType: TFieldType; |
3815 |
|
FieldSize: Word; |
3816 |
< |
charSetID: short; |
3816 |
> |
FieldDataSize: integer; |
3817 |
|
CharSetSize: integer; |
3818 |
|
CharSetName: RawByteString; |
3434 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3819 |
|
FieldCodePage: TSystemCodePage; |
3436 |
– |
{$ENDIF} |
3820 |
|
FieldNullable : Boolean; |
3821 |
|
i, FieldPosition, FieldPrecision: Integer; |
3822 |
|
FieldAliasName, DBAliasName: string; |
3823 |
< |
RelationName, FieldName: string; |
3823 |
> |
aRelationName, FieldName: string; |
3824 |
|
Query : TIBSQL; |
3825 |
|
FieldIndex: Integer; |
3826 |
|
FRelationNodes : TRelationNode; |
3827 |
+ |
aArrayDimensions: integer; |
3828 |
+ |
aArrayBounds: TArrayBounds; |
3829 |
+ |
ArrayMetaData: IArrayMetaData; |
3830 |
|
|
3831 |
|
function Add_Node(Relation, Field : String) : TRelationNode; |
3832 |
|
var |
3849 |
|
FField.FieldName := Query.Fields[2].AsString; |
3850 |
|
FField.DEFAULT_VALUE := not Query.Fields[1].IsNull; |
3851 |
|
FField.COMPUTED_BLR := not Query.Fields[0].IsNull; |
3852 |
+ |
FField.IDENTITY_COLUMN := (Query.FieldCount > 3) and not Query.Fields[3].IsNull; |
3853 |
|
FField.NextField := Result.FieldNodes; |
3854 |
|
Result.FieldNodes := FField; |
3855 |
|
Query.Next; |
3903 |
|
FField := Ffield.NextField; |
3904 |
|
end; |
3905 |
|
|
3906 |
+ |
function Is_IDENTITY_COLUMN(Relation, Field : String) : Boolean; |
3907 |
+ |
var |
3908 |
+ |
FRelation : TRelationNode; |
3909 |
+ |
FField : TFieldNode; |
3910 |
+ |
begin |
3911 |
+ |
FRelation := FRelationNodes; |
3912 |
+ |
while Assigned(FRelation) and |
3913 |
+ |
(FRelation.RelationName <> Relation) do |
3914 |
+ |
FRelation := FRelation.NextRelation; |
3915 |
+ |
if not Assigned(FRelation) then |
3916 |
+ |
FRelation := Add_Node(Relation, Field); |
3917 |
+ |
Result := false; |
3918 |
+ |
FField := FRelation.FieldNodes; |
3919 |
+ |
while Assigned(FField) do |
3920 |
+ |
if FField.FieldName = Field then |
3921 |
+ |
begin |
3922 |
+ |
Result := Ffield.IDENTITY_COLUMN; |
3923 |
+ |
Exit; |
3924 |
+ |
end |
3925 |
+ |
else |
3926 |
+ |
FField := Ffield.NextField; |
3927 |
+ |
end; |
3928 |
+ |
|
3929 |
|
Procedure FreeNodes; |
3930 |
|
var |
3931 |
|
FRelation : TRelationNode; |
3948 |
|
begin |
3949 |
|
FRelationNodes := TRelationNode.Create; |
3950 |
|
FNeedsRefresh := False; |
3951 |
< |
Database.InternalTransaction.StartTransaction; |
3951 |
> |
if not Database.InternalTransaction.InTransaction then |
3952 |
> |
Database.InternalTransaction.StartTransaction; |
3953 |
|
Query := TIBSQL.Create(self); |
3954 |
|
try |
3955 |
|
Query.Database := DataBase; |
3957 |
|
FieldDefs.BeginUpdate; |
3958 |
|
FieldDefs.Clear; |
3959 |
|
FieldIndex := 0; |
3960 |
< |
if (Length(FMappedFieldPosition) < SourceQuery.Current.Count) then |
3961 |
< |
SetLength(FMappedFieldPosition, SourceQuery.Current.Count); |
3962 |
< |
Query.SQL.Text := DefaultSQL; |
3960 |
> |
if (Length(FMappedFieldPosition) < SourceQuery.MetaData.Count) then |
3961 |
> |
SetLength(FMappedFieldPosition, SourceQuery.MetaData.Count); |
3962 |
> |
if FDatabaseInfo.ODSMajorVersion >= 12 then |
3963 |
> |
Query.SQL.Text := DefaultSQLODS12 |
3964 |
> |
else |
3965 |
> |
Query.SQL.Text := DefaultSQL; |
3966 |
|
Query.Prepare; |
3967 |
< |
SetLength(FAliasNameMap, SourceQuery.Current.Count); |
3968 |
< |
SetLength(FAliasNameList, SourceQuery.Current.Count); |
3969 |
< |
for i := 0 to SourceQuery.Current.Count - 1 do |
3970 |
< |
with SourceQuery.Current[i].Data^ do |
3967 |
> |
SetLength(FAliasNameMap, SourceQuery.MetaData.Count); |
3968 |
> |
SetLength(FAliasNameList, SourceQuery.MetaData.Count); |
3969 |
> |
for i := 0 to SourceQuery.MetaData.GetCount - 1 do |
3970 |
> |
with SourceQuery.MetaData[i] do |
3971 |
|
begin |
3972 |
|
{ Get the field name } |
3973 |
< |
FieldAliasName := SourceQuery.Current[i].Name; |
3974 |
< |
SetString(DBAliasName, aliasname, aliasname_length); |
3975 |
< |
SetString(RelationName, relname, relname_length); |
3976 |
< |
SetString(FieldName, sqlname, sqlname_length); |
3973 |
> |
FieldAliasName := GetName; |
3974 |
> |
DBAliasName := GetAliasname; |
3975 |
> |
aRelationName := getRelationName; |
3976 |
> |
FieldName := getSQLName; |
3977 |
|
FAliasNameList[i] := DBAliasName; |
3978 |
|
FieldSize := 0; |
3979 |
+ |
FieldDataSize := GetSize; |
3980 |
|
FieldPrecision := 0; |
3981 |
< |
FieldNullable := SourceQuery.Current[i].IsNullable; |
3981 |
> |
FieldNullable := IsNullable; |
3982 |
|
CharSetSize := 0; |
3983 |
|
CharSetName := ''; |
3569 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3984 |
|
FieldCodePage := CP_NONE; |
3985 |
< |
{$ENDIF} |
3986 |
< |
case sqltype and not 1 of |
3985 |
> |
aArrayDimensions := 0; |
3986 |
> |
SetLength(aArrayBounds,0); |
3987 |
> |
case SQLType of |
3988 |
|
{ All VARCHAR's must be converted to strings before recording |
3989 |
|
their values } |
3990 |
|
SQL_VARYING, SQL_TEXT: |
3991 |
|
begin |
3992 |
< |
CharSetSize := FBase.GetCharSetSize(sqlsubtype and $FF); |
3993 |
< |
CharSetName := FBase.GetCharSetName(sqlsubtype and $FF); |
3994 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3995 |
< |
FieldCodePage := FBase.GetCodePage(sqlsubtype and $FF); |
3996 |
< |
{$ENDIF} |
3997 |
< |
{FieldSize is encoded for strings - see TIBStringField.SetSize for decode} |
3583 |
< |
FieldSize := sqllen; |
3584 |
< |
if CharSetSize = 2 then |
3585 |
< |
FieldType := ftWideString |
3586 |
< |
else |
3587 |
< |
FieldType := ftString; |
3992 |
> |
if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then |
3993 |
> |
CharSetSize := 1; |
3994 |
> |
CharSetName := Database.Attachment.GetCharsetName(getCharSetID); |
3995 |
> |
Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage); |
3996 |
> |
FieldSize := FieldDataSize div CharSetSize; |
3997 |
> |
FieldType := ftString; |
3998 |
|
end; |
3999 |
|
{ All Doubles/Floats should be cast to doubles } |
4000 |
|
SQL_DOUBLE, SQL_FLOAT: |
4001 |
|
FieldType := ftFloat; |
4002 |
|
SQL_SHORT: |
4003 |
|
begin |
4004 |
< |
if (sqlscale = 0) then |
4004 |
> |
if (getScale = 0) then |
4005 |
|
FieldType := ftSmallInt |
4006 |
|
else begin |
4007 |
|
FieldType := ftBCD; |
4008 |
|
FieldPrecision := 4; |
4009 |
< |
FieldSize := -sqlscale; |
4009 |
> |
FieldSize := -getScale; |
4010 |
|
end; |
4011 |
|
end; |
4012 |
|
SQL_LONG: |
4013 |
|
begin |
4014 |
< |
if (sqlscale = 0) then |
4014 |
> |
if (getScale = 0) then |
4015 |
|
FieldType := ftInteger |
4016 |
< |
else if (sqlscale >= (-4)) then |
4016 |
> |
else if (getScale >= (-4)) then |
4017 |
|
begin |
4018 |
|
FieldType := ftBCD; |
4019 |
|
FieldPrecision := 9; |
4020 |
< |
FieldSize := -sqlscale; |
4020 |
> |
FieldSize := -getScale; |
4021 |
|
end |
4022 |
|
else |
4023 |
|
if Database.SQLDialect = 1 then |
4029 |
|
begin |
4030 |
|
FieldType := ftFMTBCD; |
4031 |
|
FieldPrecision := 9; |
4032 |
< |
FieldSize := -sqlscale; |
4032 |
> |
FieldSize := -getScale; |
4033 |
|
end; |
4034 |
|
end; |
4035 |
|
|
4036 |
|
SQL_INT64: |
4037 |
|
begin |
4038 |
< |
if (sqlscale = 0) then |
4038 |
> |
if (getScale = 0) then |
4039 |
|
FieldType := ftLargeInt |
4040 |
< |
else if (sqlscale >= (-4)) then |
4040 |
> |
else if (getScale >= (-4)) then |
4041 |
|
begin |
4042 |
|
FieldType := ftBCD; |
4043 |
|
FieldPrecision := 18; |
4044 |
< |
FieldSize := -sqlscale; |
4044 |
> |
FieldSize := -getScale; |
4045 |
|
end |
4046 |
|
else |
4047 |
< |
FieldType := ftFloat |
4047 |
> |
FieldType := ftFloat; |
4048 |
|
end; |
4049 |
|
SQL_TIMESTAMP: FieldType := ftDateTime; |
4050 |
|
SQL_TYPE_TIME: FieldType := ftTime; |
4052 |
|
SQL_BLOB: |
4053 |
|
begin |
4054 |
|
FieldSize := sizeof (TISC_QUAD); |
4055 |
< |
if (sqlsubtype = 1) then |
4055 |
> |
if (getSubtype = 1) then |
4056 |
|
begin |
4057 |
< |
if FBase.GetDefaultCharSetName <> '' then |
3648 |
< |
begin |
3649 |
< |
CharSetSize := FBase.GetDefaultCharSetSize; |
3650 |
< |
CharSetName := FBase.GetDefaultCharSetName; |
3651 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3652 |
< |
FieldCodePage := FBase.GetDefaultCodePage; |
3653 |
< |
{$ENDIF} |
3654 |
< |
end |
3655 |
< |
else |
3656 |
< |
if strpas(sqlname) <> '' then |
3657 |
< |
begin |
3658 |
< |
charSetID := GetBlobCharSetID(Database.Handle,Database.InternalTransaction.Handle, |
3659 |
< |
@relname,@sqlname); |
3660 |
< |
CharSetSize := FBase.GetCharSetSize(charSetID); |
3661 |
< |
CharSetName := FBase.GetCharSetName(charSetID); |
3662 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3663 |
< |
FieldCodePage := FBase.GetCodePage(charSetID); |
3664 |
< |
{$ENDIF} |
3665 |
< |
end |
3666 |
< |
else {Complex SQL with no identifiable column and no connection default} |
3667 |
< |
begin |
3668 |
< |
CharSetName := ''; |
4057 |
> |
if not Database.Attachment.CharSetWidth(getCharSetID,CharSetSize) then |
4058 |
|
CharSetSize := 1; |
4059 |
< |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
4060 |
< |
FieldCodePage := CP_NONE; |
4061 |
< |
{$ENDIF} |
3673 |
< |
end; |
3674 |
< |
if CharSetSize = 2 then |
3675 |
< |
FieldType := ftWideMemo |
3676 |
< |
else |
3677 |
< |
FieldType := ftMemo; |
4059 |
> |
CharSetName := Database.Attachment.GetCharsetName(getCharSetID); |
4060 |
> |
Database.Attachment.CharSetID2CodePage(getCharSetID,FieldCodePage); |
4061 |
> |
FieldType := ftMemo; |
4062 |
|
end |
4063 |
|
else |
4064 |
|
FieldType := ftBlob; |
4066 |
|
SQL_ARRAY: |
4067 |
|
begin |
4068 |
|
FieldSize := sizeof (TISC_QUAD); |
4069 |
< |
FieldType := ftUnknown; |
4069 |
> |
FieldType := ftArray; |
4070 |
> |
ArrayMetaData := GetArrayMetaData; |
4071 |
> |
if ArrayMetaData <> nil then |
4072 |
> |
begin |
4073 |
> |
aArrayDimensions := ArrayMetaData.GetDimensions; |
4074 |
> |
aArrayBounds := ArrayMetaData.GetBounds; |
4075 |
> |
end; |
4076 |
|
end; |
4077 |
|
SQL_BOOLEAN: |
4078 |
|
FieldType:= ftBoolean; |
4089 |
|
Name := FieldAliasName; |
4090 |
|
FAliasNameMap[FieldNo-1] := DBAliasName; |
4091 |
|
Size := FieldSize; |
4092 |
+ |
DataSize := FieldDataSize; |
4093 |
|
Precision := FieldPrecision; |
4094 |
|
Required := not FieldNullable; |
4095 |
+ |
RelationName := aRelationName; |
4096 |
|
InternalCalcField := False; |
4097 |
|
CharacterSetSize := CharSetSize; |
4098 |
|
CharacterSetName := CharSetName; |
3707 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
4099 |
|
CodePage := FieldCodePage; |
4100 |
< |
{$ENDIF} |
4100 |
> |
ArrayDimensions := aArrayDimensions; |
4101 |
> |
ArrayBounds := aArrayBounds; |
4102 |
|
if (FieldName <> '') and (RelationName <> '') then |
4103 |
|
begin |
4104 |
+ |
IdentityColumn := Is_IDENTITY_COLUMN(RelationName, FieldName); |
4105 |
|
if Has_COMPUTED_BLR(RelationName, FieldName) then |
4106 |
|
begin |
4107 |
|
Attributes := [faReadOnly]; |
4127 |
|
FreeNodes; |
4128 |
|
Database.InternalTransaction.Commit; |
4129 |
|
FieldDefs.EndUpdate; |
4130 |
+ |
FieldDefs.Updated := true; |
4131 |
|
end; |
4132 |
|
end; |
4133 |
|
|
4145 |
|
else begin |
4146 |
|
Buffer := AllocRecordBuffer; |
4147 |
|
try |
4148 |
< |
while FQSelect.Next <> nil do |
4148 |
> |
while FQSelect.Next do |
4149 |
|
begin |
4150 |
|
FetchCurrentRecordToBuffer(FQSelect, FRecordCount, Buffer); |
4151 |
|
Inc(FRecordCount); |
4160 |
|
procedure TIBCustomDataSet.InternalSetParamsFromCursor; |
4161 |
|
var |
4162 |
|
i: Integer; |
4163 |
< |
cur_param: TIBXSQLVAR; |
4163 |
> |
cur_param: ISQLParam; |
4164 |
|
cur_field: TField; |
4165 |
|
s: TStream; |
4166 |
|
begin |
4168 |
|
IBError(ibxeEmptyQuery, [nil]); |
4169 |
|
if not FInternalPrepared then |
4170 |
|
InternalPrepare; |
4171 |
< |
if (SQLParams.Count > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then |
4171 |
> |
if (SQLParams.GetCount > 0) and (DataSource <> nil) and (DataSource.DataSet <> nil) then |
4172 |
|
begin |
4173 |
< |
for i := 0 to SQLParams.Count - 1 do |
4173 |
> |
for i := 0 to SQLParams.GetCount - 1 do |
4174 |
|
begin |
4175 |
|
cur_field := DataSource.DataSet.FindField(SQLParams[i].Name); |
4176 |
< |
cur_param := SQLParams[i]; |
4177 |
< |
if (cur_field <> nil) then begin |
4176 |
> |
if (cur_field <> nil) then |
4177 |
> |
begin |
4178 |
> |
cur_param := SQLParams[i]; |
4179 |
|
if (cur_field.IsNull) then |
4180 |
|
cur_param.IsNull := True |
4181 |
< |
else case cur_field.DataType of |
4181 |
> |
else |
4182 |
> |
case cur_field.DataType of |
4183 |
|
ftString: |
4184 |
|
cur_param.AsString := cur_field.AsString; |
4185 |
|
ftBoolean: |
4189 |
|
ftInteger: |
4190 |
|
cur_param.AsLong := cur_field.AsInteger; |
4191 |
|
ftLargeInt: |
4192 |
< |
cur_param.AsInt64 := TLargeIntField(cur_field).AsLargeInt; |
4192 |
> |
cur_param.AsInt64 := cur_field.AsLargeInt; |
4193 |
|
ftFloat, ftCurrency: |
4194 |
|
cur_param.AsDouble := cur_field.AsFloat; |
4195 |
|
ftBCD: |
4206 |
|
try |
4207 |
|
s := DataSource.DataSet. |
4208 |
|
CreateBlobStream(cur_field, bmRead); |
4209 |
< |
cur_param.LoadFromStream(s); |
4209 |
> |
cur_param.AsBlob := TIBDSBlobStream(s).FBlobStream.Blob; |
4210 |
|
finally |
4211 |
|
s.free; |
4212 |
|
end; |
4213 |
|
end; |
4214 |
+ |
ftArray: |
4215 |
+ |
cur_param.AsArray := TIBArrayField(cur_field).ArrayIntf; |
4216 |
|
else |
4217 |
|
IBError(ibxeNotSupported, [nil]); |
4218 |
|
end; |
4245 |
|
result := SizeOf(TRecordData) + ((n - 1) * SizeOf(TFieldData)); |
4246 |
|
end; |
4247 |
|
|
3850 |
– |
function GetFieldDef(aFieldNo: integer): TIBFieldDef; |
3851 |
– |
var i: integer; |
3852 |
– |
begin |
3853 |
– |
Result := nil; |
3854 |
– |
for i := 0 to FieldDefs.Count - 1 do |
3855 |
– |
if FieldDefs[i].FieldNo = aFieldNo then |
3856 |
– |
begin |
3857 |
– |
Result := TIBFieldDef(FieldDefs[i]); |
3858 |
– |
break; |
3859 |
– |
end; |
3860 |
– |
end; |
3861 |
– |
|
3862 |
– |
procedure SetExtendedProperties; |
3863 |
– |
var i: integer; |
3864 |
– |
IBFieldDef: TIBFieldDef; |
3865 |
– |
begin |
3866 |
– |
for i := 0 to Fields.Count - 1 do |
3867 |
– |
if Fields[i].FieldNo > 0 then |
3868 |
– |
begin |
3869 |
– |
if(Fields[i] is TIBStringField) then |
3870 |
– |
with TIBStringField(Fields[i]) do |
3871 |
– |
begin |
3872 |
– |
IBFieldDef := GetFieldDef(FieldNo); |
3873 |
– |
if IBFieldDef <> nil then |
3874 |
– |
begin |
3875 |
– |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
3876 |
– |
CharacterSetName := IBFieldDef.CharacterSetName; |
3877 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3878 |
– |
CodePage := IBFieldDef.CodePage; |
3879 |
– |
{$ENDIF} |
3880 |
– |
end; |
3881 |
– |
end |
3882 |
– |
else |
3883 |
– |
if(Fields[i] is TIBWideStringField) then |
3884 |
– |
with TIBWideStringField(Fields[i]) do |
3885 |
– |
begin |
3886 |
– |
IBFieldDef := GetFieldDef(FieldNo); |
3887 |
– |
if IBFieldDef <> nil then |
3888 |
– |
begin |
3889 |
– |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
3890 |
– |
CharacterSetName := IBFieldDef.CharacterSetName; |
3891 |
– |
end; |
3892 |
– |
end |
3893 |
– |
else |
3894 |
– |
if(Fields[i] is TIBMemoField) then |
3895 |
– |
with TIBMemoField(Fields[i]) do |
3896 |
– |
begin |
3897 |
– |
IBFieldDef := GetFieldDef(FieldNo); |
3898 |
– |
if IBFieldDef <> nil then |
3899 |
– |
begin |
3900 |
– |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
3901 |
– |
CharacterSetName := IBFieldDef.CharacterSetName; |
3902 |
– |
{$IFDEF HAS_ANSISTRING_CODEPAGE} |
3903 |
– |
CodePage := IBFieldDef.CodePage; |
3904 |
– |
{$ENDIF} |
3905 |
– |
end; |
3906 |
– |
end |
3907 |
– |
else |
3908 |
– |
if(Fields[i] is TIBWideMemoField) then |
3909 |
– |
with TIBWideMemoField(Fields[i]) do |
3910 |
– |
begin |
3911 |
– |
IBFieldDef := GetFieldDef(FieldNo); |
3912 |
– |
if IBFieldDef <> nil then |
3913 |
– |
begin |
3914 |
– |
CharacterSetSize := IBFieldDef.CharacterSetSize; |
3915 |
– |
CharacterSetName := IBFieldDef.CharacterSetName; |
3916 |
– |
end; |
3917 |
– |
end |
3918 |
– |
end |
3919 |
– |
end; |
3920 |
– |
|
4248 |
|
begin |
4249 |
|
FBase.SetCursor; |
4250 |
|
try |
4254 |
|
IBError(ibxeEmptyQuery, [nil]); |
4255 |
|
if not FInternalPrepared then |
4256 |
|
InternalPrepare; |
4257 |
< |
if FQSelect.SQLType = SQLSelect then |
4257 |
> |
if FQSelect.SQLStatementType = SQLSelect then |
4258 |
|
begin |
4259 |
|
if DefaultFields then |
4260 |
|
CreateFields; |
4261 |
+ |
FArrayFieldCount := 0; |
4262 |
|
BindFields(True); |
3935 |
– |
SetExtendedProperties; |
4263 |
|
FCurrentRecord := -1; |
4264 |
|
FQSelect.ExecQuery; |
4265 |
|
FOpen := FQSelect.Open; |
4270 |
|
3. After the dummy fetch, FRecordSize will be appropriately |
4271 |
|
adjusted to reflect the additional "weight" of the field |
4272 |
|
data. |
4273 |
< |
4. Set up the FCalcFieldsOffset, FBlobCacheOffset and FRecordBufferSize. |
4273 |
> |
4. Set up the FCalcFieldsOffset, FBlobCacheOffset, FArrayCacheOffset and FRecordBufferSize. |
4274 |
|
5. Now, with the BufferSize available, allocate memory for chunks of records |
4275 |
|
6. Re-allocate the model buffer, accounting for the new |
4276 |
|
FRecordBufferSize. |
4277 |
|
7. Finally, calls to AllocRecordBuffer will work!. |
4278 |
|
} |
4279 |
|
{Step 1} |
4280 |
< |
FRecordSize := RecordDataLength(FQSelect.Current.Count); |
4280 |
> |
FRecordSize := RecordDataLength(FQSelect.FieldCount); |
4281 |
|
{Step 2, 3} |
4282 |
+ |
GetMem(FFieldColumns,sizeof(TFieldColumns) * (FQSelect.FieldCount)); |
4283 |
|
IBAlloc(FModelBuffer, 0, FRecordSize); |
4284 |
< |
FetchCurrentRecordToBuffer(FQSelect, -1, FModelBuffer); |
4284 |
> |
InitModelBuffer(FQSelect, FModelBuffer); |
4285 |
|
{Step 4} |
4286 |
|
FCalcFieldsOffset := FRecordSize; |
4287 |
|
FBlobCacheOffset := FCalcFieldsOffset + CalcFieldsSize; |
4288 |
< |
FRecordBufferSize := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream))); |
4288 |
> |
FArrayCacheOffset := (FBlobCacheOffset + (BlobFieldCount * SizeOf(TIBBlobStream))); |
4289 |
> |
FRecordBufferSize := FArrayCacheOffset + (ArrayFieldCount * sizeof(IArray)); |
4290 |
|
{Step 5} |
4291 |
|
if UniDirectional then |
4292 |
|
FBufferChunkSize := FRecordBufferSize * UniCache |
4302 |
|
FCacheSize := FBufferChunkSize; |
4303 |
|
FOldCacheSize := FBufferChunkSize; |
4304 |
|
{Step 6} |
4305 |
< |
IBAlloc(FModelBuffer, RecordDataLength(FQSelect.Current.Count), |
4305 |
> |
IBAlloc(FModelBuffer, RecordDataLength(FQSelect.FieldCount), |
4306 |
|
FRecordBufferSize); |
4307 |
|
{Step 7} |
4308 |
|
FOldBuffer := AllocRecordBuffer; |
4400 |
|
function TIBCustomDataSet.Locate(const KeyFields: string; const KeyValues: Variant; |
4401 |
|
Options: TLocateOptions): Boolean; |
4402 |
|
var |
4074 |
– |
{$IFDEF NEW_TBOOKMARK } |
4403 |
|
CurBookmark: TBookmark; |
4076 |
– |
{$ELSE} |
4077 |
– |
CurBookmark: string; |
4078 |
– |
{$ENDIF} |
4404 |
|
begin |
4405 |
|
DisableControls; |
4406 |
|
try |
4418 |
|
const ResultFields: string): Variant; |
4419 |
|
var |
4420 |
|
fl: TList; |
4096 |
– |
{$IFDEF NEW_TBOOKMARK } |
4421 |
|
CurBookmark: TBookmark; |
4098 |
– |
{$ELSE} |
4099 |
– |
CurBookmark: string; |
4100 |
– |
{$ENDIF} |
4422 |
|
begin |
4423 |
|
DisableControls; |
4424 |
|
fl := TList.Create; |
4491 |
|
MappedFieldPos := FMappedFieldPosition[Field.FieldNo - 1]; |
4492 |
|
if (MappedFieldPos > 0) and |
4493 |
|
(MappedFieldPos <= rdFieldCount) then |
4494 |
+ |
with rdFields[MappedFieldPos], FFieldColumns^[MappedFieldPos] do |
4495 |
|
begin |
4496 |
|
Field.Validate(Buffer); |
4497 |
|
if (Buffer = nil) or |
4498 |
|
(Field is TIBStringField) and (PChar(Buffer)[0] = #0) then |
4499 |
< |
rdFields[MappedFieldPos].fdIsNull := True |
4500 |
< |
else begin |
4501 |
< |
Move(Buffer^, Buff[rdFields[MappedFieldPos].fdDataOfs], |
4502 |
< |
rdFields[MappedFieldPos].fdDataSize); |
4503 |
< |
if (rdFields[MappedFieldPos].fdDataType = SQL_TEXT) or |
4504 |
< |
(rdFields[MappedFieldPos].fdDataType = SQL_VARYING) then |
4505 |
< |
rdFields[MappedFieldPos].fdDataLength := StrLen(PChar(Buffer)); |
4184 |
< |
rdFields[MappedFieldPos].fdIsNull := False; |
4499 |
> |
fdIsNull := True |
4500 |
> |
else |
4501 |
> |
begin |
4502 |
> |
Move(Buffer^, Buff[fdDataOfs],fdDataSize); |
4503 |
> |
if (fdDataType = SQL_TEXT) or (fdDataType = SQL_VARYING) then |
4504 |
> |
fdDataLength := StrLen(PChar(Buffer)); |
4505 |
> |
fdIsNull := False; |
4506 |
|
if rdUpdateStatus = usUnmodified then |
4507 |
|
begin |
4508 |
|
if CachedUpdates then |
4603 |
|
if FInternalPrepared then |
4604 |
|
begin |
4605 |
|
CheckDatasetClosed; |
4606 |
+ |
if FDidActivate then |
4607 |
+ |
DeactivateTransaction; |
4608 |
|
FieldDefs.Clear; |
4609 |
|
FieldDefs.Updated := false; |
4610 |
|
FInternalPrepared := False; |
4625 |
|
IBError(ibxeEmptyQuery, [nil]); |
4626 |
|
if not FInternalPrepared then |
4627 |
|
InternalPrepare; |
4628 |
< |
if FQSelect.SQLType = SQLSelect then |
4628 |
> |
if FQSelect.SQLStatementType = SQLSelect then |
4629 |
|
begin |
4630 |
|
IBError(ibxeIsASelectStatement, [nil]); |
4631 |
|
end |
4638 |
|
end; |
4639 |
|
end; |
4640 |
|
|
4641 |
< |
function TIBCustomDataSet.GetSelectStmtHandle: TISC_STMT_HANDLE; |
4641 |
> |
function TIBCustomDataSet.GetSelectStmtIntf: IStatement; |
4642 |
|
begin |
4643 |
< |
Result := FQSelect.Handle; |
4643 |
> |
Result := FQSelect.Statement; |
4644 |
|
end; |
4645 |
|
|
4646 |
|
function TIBCustomDataSet.GetParser: TSelectSQLParser; |
4695 |
|
|
4696 |
|
{ TIBDataSet IProviderSupport } |
4697 |
|
|
4698 |
< |
(*procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean); |
4698 |
> |
procedure TIBCustomDataSet.PSEndTransaction(Commit: Boolean); |
4699 |
|
begin |
4700 |
|
if Commit then |
4701 |
|
Transaction.Commit else |
4848 |
|
Transaction.StartTransaction; |
4849 |
|
end; |
4850 |
|
|
4851 |
< |
function TIBCustomDataSet.PSGetTableName: string; |
4851 |
> |
function TIBCustomDataSet.PsGetTableName: string; |
4852 |
|
begin |
4853 |
|
// if not FInternalPrepared then |
4854 |
|
// InternalPrepare; |
4858 |
|
if not FQSelect.Prepared then |
4859 |
|
FQSelect.Prepare; |
4860 |
|
Result := FQSelect.UniqueRelationName; |
4861 |
< |
end;*) |
4861 |
> |
end; |
4862 |
|
|
4863 |
|
procedure TIBDataSet.BatchInput(InputObject: TIBBatchInput); |
4864 |
|
begin |
4943 |
|
function TIBCustomDataSet.GetFieldData(Field: TField; Buffer: Pointer; |
4944 |
|
NativeFormat: Boolean): Boolean; |
4945 |
|
begin |
4946 |
< |
if (Field.DataType = ftBCD) and not NativeFormat then |
4946 |
> |
{These datatypes use IBX conventions and not TDataset conventions} |
4947 |
> |
if (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) and not NativeFormat then |
4948 |
|
Result := InternalGetFieldData(Field, Buffer) |
4949 |
|
else |
4950 |
|
Result := inherited GetFieldData(Field, Buffer, NativeFormat); |
4970 |
|
procedure TIBCustomDataSet.SetFieldData(Field: TField; Buffer: Pointer; |
4971 |
|
NativeFormat: Boolean); |
4972 |
|
begin |
4973 |
< |
if (not NativeFormat) and (Field.DataType = ftBCD) then |
4973 |
> |
{These datatypes use IBX conventions and not TDataset conventions} |
4974 |
> |
if (not NativeFormat) and (Field.DataType in [ftBCD,ftDateTime,ftDate,ftTime]) then |
4975 |
|
InternalSetfieldData(Field, Buffer) |
4976 |
|
else |
4977 |
|
inherited SetFieldData(Field, buffer, NativeFormat); |
4991 |
|
inherited Destroy; |
4992 |
|
end; |
4993 |
|
|
4994 |
< |
procedure TIBDataSetUpdateObject.SetRefreshSQL(Value: TStrings); |
4994 |
> |
procedure TIBDataSetUpdateObject.SetRefreshSQL(value: TStrings); |
4995 |
|
begin |
4996 |
|
FRefreshSQL.Assign(Value); |
4997 |
|
end; |
4998 |
|
|
4999 |
+ |
procedure TIBDataSetUpdateObject.InternalSetParams(Params: ISQLParams; |
5000 |
+ |
buff: PChar); |
5001 |
+ |
begin |
5002 |
+ |
if not Assigned(DataSet) then Exit; |
5003 |
+ |
DataSet.SetInternalSQLParams(Params, buff); |
5004 |
+ |
end; |
5005 |
+ |
|
5006 |
|
procedure TIBDataSetUpdateObject.InternalSetParams(Query: TIBSQL; buff: PChar); |
5007 |
|
begin |
5008 |
+ |
InternalSetParams(Query.Params,buff); |
5009 |
+ |
end; |
5010 |
+ |
|
5011 |
+ |
procedure TIBDataSetUpdateObject.UpdateRecordFromQuery(UpdateKind: TUpdateKind; |
5012 |
+ |
QryResults: IResults; Buffer: PChar); |
5013 |
+ |
begin |
5014 |
|
if not Assigned(DataSet) then Exit; |
5015 |
< |
DataSet.SetInternalSQLParams(Query, buff); |
5015 |
> |
case UpdateKind of |
5016 |
> |
ukModify, ukInsert: |
5017 |
> |
DataSet.UpdateRecordFromQuery(QryResults, Buffer); |
5018 |
> |
ukDelete: |
5019 |
> |
DataSet.DoDeleteReturning(QryResults); |
5020 |
> |
end; |
5021 |
> |
end; |
5022 |
> |
|
5023 |
> |
function TIBDSBlobStream.GetSize: Int64; |
5024 |
> |
begin |
5025 |
> |
Result := FBlobStream.BlobSize; |
5026 |
|
end; |
5027 |
|
|
5028 |
|
{ TIBDSBlobStream } |
5033 |
|
FBlobStream := ABlobStream; |
5034 |
|
FBlobStream.Seek(0, soFromBeginning); |
5035 |
|
if (Mode = bmWrite) then |
5036 |
+ |
begin |
5037 |
|
FBlobStream.Truncate; |
5038 |
+ |
TIBCustomDataSet(FField.DataSet).RecordModified(True); |
5039 |
+ |
TBlobField(FField).Modified := true; |
5040 |
+ |
FHasWritten := true; |
5041 |
+ |
end; |
5042 |
|
end; |
5043 |
|
|
5044 |
|
destructor TIBDSBlobStream.Destroy; |
5080 |
|
|
5081 |
|
procedure TIBGenerator.SetIncrement(const AValue: integer); |
5082 |
|
begin |
5083 |
+ |
if FIncrement = AValue then Exit; |
5084 |
|
if AValue < 0 then |
5085 |
< |
raise Exception.Create('A Generator Increment cannot be negative'); |
5086 |
< |
FIncrement := AValue |
5085 |
> |
IBError(ibxeNegativeGenerator,[]); |
5086 |
> |
FIncrement := AValue; |
5087 |
> |
SetQuerySQL; |
5088 |
|
end; |
5089 |
|
|
5090 |
< |
function TIBGenerator.GetNextValue(ADatabase: TIBDatabase; |
4736 |
< |
ATransaction: TIBTransaction): integer; |
5090 |
> |
procedure TIBGenerator.SetTransaction(AValue: TIBTransaction); |
5091 |
|
begin |
5092 |
< |
with TIBSQL.Create(nil) do |
5093 |
< |
try |
5094 |
< |
Database := ADatabase; |
5095 |
< |
Transaction := ATransaction; |
5096 |
< |
if not assigned(Database) then |
5097 |
< |
IBError(ibxeCannotSetDatabase,[]); |
5098 |
< |
if not assigned(Transaction) then |
5099 |
< |
IBError(ibxeCannotSetTransaction,[]); |
5100 |
< |
with Transaction do |
5101 |
< |
if not InTransaction then StartTransaction; |
5102 |
< |
SQL.Text := Format('Select Gen_ID(%s,%d) as ID From RDB$Database',[FGeneratorName,Increment]); |
5103 |
< |
Prepare; |
5092 |
> |
FQuery.Transaction := AValue; |
5093 |
> |
end; |
5094 |
> |
|
5095 |
> |
procedure TIBGenerator.SetQuerySQL; |
5096 |
> |
begin |
5097 |
> |
FQuery.SQL.Text := Format('Select Gen_ID(%s,%d) From RDB$Database',[FGeneratorName,Increment]); |
5098 |
> |
end; |
5099 |
> |
|
5100 |
> |
function TIBGenerator.GetDatabase: TIBDatabase; |
5101 |
> |
begin |
5102 |
> |
Result := FQuery.Database; |
5103 |
> |
end; |
5104 |
> |
|
5105 |
> |
function TIBGenerator.GetTransaction: TIBTransaction; |
5106 |
> |
begin |
5107 |
> |
Result := FQuery.Transaction; |
5108 |
> |
end; |
5109 |
> |
|
5110 |
> |
procedure TIBGenerator.SetDatabase(AValue: TIBDatabase); |
5111 |
> |
begin |
5112 |
> |
FQuery.Database := AValue; |
5113 |
> |
end; |
5114 |
> |
|
5115 |
> |
procedure TIBGenerator.SetGeneratorName(AValue: string); |
5116 |
> |
begin |
5117 |
> |
if FGeneratorName = AValue then Exit; |
5118 |
> |
FGeneratorName := AValue; |
5119 |
> |
SetQuerySQL; |
5120 |
> |
end; |
5121 |
> |
|
5122 |
> |
function TIBGenerator.GetNextValue: integer; |
5123 |
> |
begin |
5124 |
> |
with FQuery do |
5125 |
> |
begin |
5126 |
> |
Transaction.Active := true; |
5127 |
|
ExecQuery; |
5128 |
|
try |
5129 |
< |
Result := FieldByName('ID').AsInteger |
5129 |
> |
Result := Fields[0].AsInteger |
5130 |
|
finally |
5131 |
|
Close |
5132 |
|
end; |
4756 |
– |
finally |
4757 |
– |
Free |
5133 |
|
end; |
5134 |
|
end; |
5135 |
|
|
5137 |
|
begin |
5138 |
|
FOwner := Owner; |
5139 |
|
FIncrement := 1; |
5140 |
+ |
FQuery := TIBSQL.Create(nil); |
5141 |
+ |
end; |
5142 |
+ |
|
5143 |
+ |
destructor TIBGenerator.Destroy; |
5144 |
+ |
begin |
5145 |
+ |
if assigned(FQuery) then FQuery.Free; |
5146 |
+ |
inherited Destroy; |
5147 |
|
end; |
5148 |
|
|
5149 |
|
|
5150 |
|
procedure TIBGenerator.Apply; |
5151 |
|
begin |
5152 |
< |
if (FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then |
5153 |
< |
Owner.FieldByName(FFieldName).AsInteger := GetNextValue(Owner.Database,Owner.Transaction); |
5152 |
> |
if assigned(Database) and assigned(Transaction) and |
5153 |
> |
(FGeneratorName <> '') and (FFieldName <> '') and Owner.FieldByName(FFieldName).IsNull then |
5154 |
> |
Owner.FieldByName(FFieldName).AsInteger := GetNextValue; |
5155 |
|
end; |
5156 |
|
|
5157 |
|
|