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Comparing ibx/trunk/fbintf/client/FBAttachment.pas (file contents):
Revision 45 by tony, Tue Dec 6 10:33:46 2016 UTC vs.
Revision 117 by tony, Mon Jan 22 13:58:11 2018 UTC

# Line 25 | Line 25
25   *
26   *)
27   unit FBAttachment;
28 + {$IFDEF MSWINDOWS}
29 + {$DEFINE WINDOWS}
30 + {$ENDIF}
31  
32   {$IFDEF FPC}
33 < {$mode objfpc}{$H+}
33 > {$mode delphi}
34   {$interfaces COM}
35   {$ENDIF}
36  
37   interface
38  
39   uses
40 <  Classes, SysUtils, IB,  FBParamBlock, FBActivityMonitor;
40 >  Classes, SysUtils, {$IFDEF WINDOWS} windows, {$ENDIF} IB,  FBParamBlock, FBActivityMonitor;
41  
42   type
43 +  TCharsetMap = record
44 +    CharsetID: integer;
45 +    CharSetName: AnsiString;
46 +    CharSetWidth: integer;
47 +    CodePage: TSystemCodePage;
48 +    AllowReverseLookup: boolean; {used to ensure that lookup of CP_UTF* does not return UNICODE_FSS}
49 +  end;
50  
51    { TFBAttachment }
52  
# Line 44 | Line 54 | type
54    private
55      FDPB: IDPB;
56      FFirebirdAPI: IFirebirdAPI;
57 +    FODSMajorVersion: integer;
58 +    FODSMinorVersion: integer;
59 +    FUserCharSetMap: array of TCharSetMap;
60    protected
61 <    FDatabaseName: string;
61 >    FDatabaseName: AnsiString;
62      FRaiseExceptionOnConnectError: boolean;
63      FSQLDialect: integer;
64      FHasDefaultCharSet: boolean;
65      FCharSetID: integer;
66      FCodePage: TSystemCodePage;
67 <    constructor Create(DatabaseName: string; DPB: IDPB;
67 >    FRemoteProtocol: AnsiString;
68 >    constructor Create(DatabaseName: AnsiString; DPB: IDPB;
69        RaiseExceptionOnConnectError: boolean);
70      procedure CheckHandle; virtual; abstract;
71 <    function GenerateCreateDatabaseSQL(DatabaseName: string; aDPB: IDPB): string;
71 >    function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
72 >    procedure GetODSAndConnectionInfo;
73 >    function IsConnected: boolean; virtual; abstract;
74      procedure EndAllTransactions;
75 +    procedure DPBFromCreateSQL(CreateSQL: AnsiString);
76      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
77    public
78      destructor Destroy; override;
# Line 64 | Line 81 | type
81      function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
82      function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
83      procedure Disconnect(Force: boolean=false); virtual; abstract;
84 <    procedure ExecImmediate(transaction: ITransaction; sql: string; aSQLDialect: integer); overload; virtual; abstract;
85 <    procedure ExecImmediate(TPB: array of byte; sql: string; aSQLDialect: integer); overload;
86 <    procedure ExecImmediate(transaction: ITransaction; sql: string); overload;
87 <    procedure ExecImmediate(TPB: array of byte; sql: string); overload;
88 <    function ExecuteSQL(TPB: array of byte; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
89 <    function ExecuteSQL(transaction: ITransaction; sql: string; SQLDialect: integer; params: array of const): IResults; overload;
90 <    function ExecuteSQL(TPB: array of byte; sql: string; params: array of const): IResults; overload;
91 <    function ExecuteSQL(transaction: ITransaction; sql: string; params: array of const): IResults; overload;
92 <    function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
93 <    function OpenCursor(transaction: ITransaction; sql: string; aSQLDialect: integer;
84 >    procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer); overload; virtual; abstract;
85 >    procedure ExecImmediate(TPB: array of byte; sql: AnsiString; aSQLDialect: integer); overload;
86 >    procedure ExecImmediate(transaction: ITransaction; sql: AnsiString); overload;
87 >    procedure ExecImmediate(TPB: array of byte; sql: AnsiString); overload;
88 >    function ExecuteSQL(TPB: array of byte; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
89 >    function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
90 >    function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
91 >    function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
92 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
93 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
94                               params: array of const): IResultSet; overload;
95 <    function OpenCursor(transaction: ITransaction; sql: string): IResultSet; overload;
96 <    function OpenCursor(transaction: ITransaction; sql: string;
95 >    function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
96 >    function OpenCursor(transaction: ITransaction; sql: AnsiString;
97                               params: array of const): IResultSet; overload;
98 <    function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer): IResultSet; overload;
99 <    function OpenCursorAtStart(transaction: ITransaction; sql: string; aSQLDialect: integer;
98 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
99 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
100                               params: array of const): IResultSet; overload;
101 <    function OpenCursorAtStart(transaction: ITransaction; sql: string): IResultSet; overload;
102 <    function OpenCursorAtStart(transaction: ITransaction; sql: string;
101 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
102 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
103                               params: array of const): IResultSet; overload;
104 <    function OpenCursorAtStart(sql: string): IResultSet; overload;
105 <    function OpenCursorAtStart(sql: string;
104 >    function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
105 >    function OpenCursorAtStart(sql: AnsiString;
106                               params: array of const): IResultSet; overload;
107 <    function Prepare(transaction: ITransaction; sql: string; aSQLDialect: integer): IStatement; overload; virtual; abstract;
108 <    function Prepare(transaction: ITransaction; sql: string): IStatement; overload;
109 <    function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
107 >    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload; virtual; abstract;
108 >    function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
109 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
110                         aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload; virtual; abstract;
111 <    function PrepareWithNamedParameters(transaction: ITransaction; sql: string;
111 >    function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
112                         GenerateParamNames: boolean=false): IStatement; overload;
113      function GetEventHandler(Events: TStrings): IEvents; overload; virtual; abstract;
114 <    function GetEventHandler(Event: string): IEvents; overload;
114 >    function GetEventHandler(Event: AnsiString): IEvents; overload;
115  
116      function GetSQLDialect: integer;
117 <    function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; virtual; abstract; overload;
117 >    function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
118      function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
119      property SQLDialect: integer read FSQLDialect;
103 –    property HasDefaultCharSet: boolean read FHasDefaultCharSet;
104 –    property CharSetID: integer read FCharSetID;
105 –    property CodePage: TSystemCodePage read FCodePage;
120      property DPB: IDPB read FDPB;
121 + public
122 +  function GetDBInformation(Requests: array of byte): IDBInformation; overload; virtual; abstract;
123 +  function GetDBInformation(Request: byte): IDBInformation; overload; virtual; abstract;
124 +  function GetConnectString: AnsiString;
125 +  function GetRemoteProtocol: AnsiString;
126 +  function GetODSMajorVersion: integer;
127 +  function GetODSMinorVersion: integer;
128 +  {Character Sets}
129 +  function HasDefaultCharSet: boolean;
130 +  function GetDefaultCharSetID: integer;
131 +  function GetCharsetName(CharSetID: integer): AnsiString;
132 +  function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
133 +  function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
134 +  function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
135 +  function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
136 +  procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
137 +    AllowReverseLookup:boolean; out CharSetID: integer);
138 +  property CharSetID: integer read FCharSetID;
139 +  property CodePage: TSystemCodePage read FCodePage;
140    end;
141  
142   implementation
143  
144 < uses FBMessages, FBTransaction;
144 > uses FBMessages, FBTransaction, RegExpr;
145 >
146 > const
147 >  CharSetMap: array [0..69] of TCharsetMap = (
148 >  (CharsetID: 0; CharSetName: 'NONE'; CharSetWidth: 1; CodePage: CP_ACP; AllowReverseLookup: true),
149 >  (CharsetID: 1; CharSetName: 'OCTETS'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
150 >  (CharsetID: 2; CharSetName: 'ASCII'; CharSetWidth: 1; CodePage: CP_ASCII; AllowReverseLookup: true),
151 >  (CharsetID: 3; CharSetName: 'UNICODE_FSS'; CharSetWidth: 3; CodePage: CP_UTF8; AllowReverseLookup: false),
152 >  (CharsetID: 4; CharSetName: 'UTF8'; CharSetWidth: 4; CodePage: CP_UTF8; AllowReverseLookup: true),
153 >  (CharsetID: 5; CharSetName: 'SJIS_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
154 >  (CharsetID: 6; CharSetName: 'EUCJ_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
155 >  (CharsetID: 7; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
156 >  (CharsetID: 8; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
157 >  (CharsetID: 9; CharSetName: 'DOS737'; CharSetWidth: 1; CodePage: 737; AllowReverseLookup: true),
158 >  (CharsetID: 10; CharSetName: 'DOS437'; CharSetWidth: 1; CodePage: 437; AllowReverseLookup: true),
159 >  (CharsetID: 11; CharSetName: 'DOS850'; CharSetWidth: 1; CodePage: 850; AllowReverseLookup: true),
160 >  (CharsetID: 12; CharSetName: 'DOS865'; CharSetWidth: 1; CodePage: 865; AllowReverseLookup: true),
161 >  (CharsetID: 13; CharSetName: 'DOS860'; CharSetWidth: 1; CodePage: 860; AllowReverseLookup: true),
162 >  (CharsetID: 14; CharSetName: 'DOS863'; CharSetWidth: 1; CodePage: 863; AllowReverseLookup: true),
163 >  (CharsetID: 15; CharSetName: 'DOS775'; CharSetWidth: 1; CodePage: 775; AllowReverseLookup: true),
164 >  (CharsetID: 16; CharSetName: 'DOS858'; CharSetWidth: 1; CodePage: 858; AllowReverseLookup: true),
165 >  (CharsetID: 17; CharSetName: 'DOS862'; CharSetWidth: 1; CodePage: 862; AllowReverseLookup: true),
166 >  (CharsetID: 18; CharSetName: 'DOS864'; CharSetWidth: 1; CodePage: 864; AllowReverseLookup: true),
167 >  (CharsetID: 19; CharSetName: 'NEXT'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
168 >  (CharsetID: 20; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
169 >  (CharsetID: 21; CharSetName: 'ISO8859_1'; CharSetWidth: 1; CodePage: 28591; AllowReverseLookup: true),
170 >  (CharsetID: 22; CharSetName: 'ISO8859_2'; CharSetWidth: 1; CodePage: 28592; AllowReverseLookup: true),
171 >  (CharsetID: 23; CharSetName: 'ISO8859_3'; CharSetWidth: 1; CodePage: 28593; AllowReverseLookup: true),
172 >  (CharsetID: 24; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
173 >  (CharsetID: 25; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
174 >  (CharsetID: 26; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
175 >  (CharsetID: 27; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
176 >  (CharsetID: 28; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
177 >  (CharsetID: 29; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
178 >  (CharsetID: 30; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
179 >  (CharsetID: 31; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
180 >  (CharsetID: 32; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
181 >  (CharsetID: 33; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
182 >  (CharsetID: 34; CharSetName: 'ISO8859_4'; CharSetWidth: 1; CodePage: 28594; AllowReverseLookup: true),
183 >  (CharsetID: 35; CharSetName: 'ISO8859_5'; CharSetWidth: 1; CodePage: 28595; AllowReverseLookup: true),
184 >  (CharsetID: 36; CharSetName: 'ISO8859_6'; CharSetWidth: 1; CodePage: 28596; AllowReverseLookup: true),
185 >  (CharsetID: 37; CharSetName: 'ISO8859_7'; CharSetWidth: 1; CodePage: 28597; AllowReverseLookup: true),
186 >  (CharsetID: 38; CharSetName: 'ISO8859_8'; CharSetWidth: 1; CodePage: 28598; AllowReverseLookup: true),
187 >  (CharsetID: 39; CharSetName: 'ISO8859_9'; CharSetWidth: 1; CodePage: 28599; AllowReverseLookup: true),
188 >  (CharsetID: 40; CharSetName: 'ISO8859_13'; CharSetWidth: 1; CodePage: 28603; AllowReverseLookup: true),
189 >  (CharsetID: 41; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
190 >  (CharsetID: 42; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
191 >  (CharsetID: 43; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
192 >  (CharsetID: 44; CharSetName: 'KSC_5601'; CharSetWidth: 2; CodePage: 949; AllowReverseLookup: true),
193 >  (CharsetID: 45; CharSetName: 'DOS852'; CharSetWidth: 1; CodePage: 852; AllowReverseLookup: true),
194 >  (CharsetID: 46; CharSetName: 'DOS857'; CharSetWidth: 1; CodePage: 857; AllowReverseLookup: true),
195 >  (CharsetID: 47; CharSetName: 'DOS861'; CharSetWidth: 1; CodePage: 861; AllowReverseLookup: true),
196 >  (CharsetID: 48; CharSetName: 'DOS866'; CharSetWidth: 1; CodePage: 866; AllowReverseLookup: true),
197 >  (CharsetID: 49; CharSetName: 'DOS869'; CharSetWidth: 1; CodePage: 869; AllowReverseLookup: true),
198 >  (CharsetID: 50; CharSetName: 'CYRL'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
199 >  (CharsetID: 51; CharSetName: 'WIN1250'; CharSetWidth: 1; CodePage: 1250; AllowReverseLookup: true),
200 >  (CharsetID: 52; CharSetName: 'WIN1251'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
201 >  (CharsetID: 53; CharSetName: 'WIN1252'; CharSetWidth: 1; CodePage: 1252; AllowReverseLookup: true),
202 >  (CharsetID: 54; CharSetName: 'WIN1253'; CharSetWidth: 1; CodePage: 1253; AllowReverseLookup: true),
203 >  (CharsetID: 55; CharSetName: 'WIN1254'; CharSetWidth: 1; CodePage: 1254; AllowReverseLookup: true),
204 >  (CharsetID: 56; CharSetName: 'BIG_5'; CharSetWidth: 2; CodePage: 950; AllowReverseLookup: true),
205 >  (CharsetID: 57; CharSetName: 'GB_2312'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
206 >  (CharsetID: 58; CharSetName: 'WIN1255'; CharSetWidth: 1; CodePage: 1255; AllowReverseLookup: true),
207 >  (CharsetID: 59; CharSetName: 'WIN1256'; CharSetWidth: 1; CodePage: 1256; AllowReverseLookup: true),
208 >  (CharsetID: 60; CharSetName: 'WIN1257'; CharSetWidth: 1; CodePage: 1257; AllowReverseLookup: true),
209 >  (CharsetID: 61; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
210 >  (CharsetID: 62; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
211 >  (CharsetID: 63; CharSetName: 'KOI8R'; CharSetWidth: 1; CodePage: 20866; AllowReverseLookup: true),
212 >  (CharsetID: 64; CharSetName: 'KOI8U'; CharSetWidth: 1; CodePage: 21866; AllowReverseLookup: true),
213 >  (CharsetID: 65; CharSetName: 'WIN1258'; CharSetWidth: 1; CodePage: 1258; AllowReverseLookup: true),
214 >  (CharsetID: 66; CharSetName: 'TIS620'; CharSetWidth: 1; CodePage: 874; AllowReverseLookup: true),
215 >  (CharsetID: 67; CharSetName: 'GBK'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
216 >  (CharsetID: 68; CharSetName: 'CP943C'; CharSetWidth: 2; CodePage: 943; AllowReverseLookup: true),
217 >  (CharsetID: 69; CharSetName: 'GB18030'; CharSetWidth: 4; CodePage: 54936; AllowReverseLookup: true)
218 > );
219 >
220 >
221 >
222  
223   { TFBAttachment }
224  
225 < constructor TFBAttachment.Create(DatabaseName: string; DPB: IDPB;
225 > procedure TFBAttachment.GetODSAndConnectionInfo;
226 > var DBInfo: IDBInformation;
227 >    i: integer;
228 >    Stmt: IStatement;
229 >    ResultSet: IResultSet;
230 >    Param: IDPBItem;
231 > begin
232 >  if not IsConnected then Exit;
233 >  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
234 >                               isc_info_db_SQL_Dialect]);
235 >  for i := 0 to DBInfo.GetCount - 1 do
236 >    with DBInfo[i] do
237 >      case getItemType of
238 >      isc_info_ods_minor_version:
239 >        FODSMinorVersion := getAsInteger;
240 >      isc_info_ods_version:
241 >        FODSMajorVersion := getAsInteger;
242 >      isc_info_db_SQL_Dialect:
243 >        FSQLDialect := getAsInteger;
244 >      end;
245 >
246 >  if (FODSMajorVersion > 11) or ((FODSMajorVersion = 11) and (FODSMinorVersion >= 1)) then
247 >  begin
248 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
249 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL From MON$ATTACHMENTS '+
250 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
251 >    ResultSet := Stmt.OpenCursor;
252 >    if ResultSet.FetchNext then
253 >    begin
254 >      FCharSetID := ResultSet[0].AsInteger;
255 >      FRemoteProtocol := ResultSet[1].AsString;
256 >    end
257 >  end
258 >  else
259 >  if DPB <> nil then
260 >  begin
261 >    Param :=  DPB.Find(isc_dpb_lc_ctype);
262 >    if (Param = nil) or not CharSetName2CharSetID(Param.AsString,FCharSetID) then
263 >      FCharSetID := 0;
264 >      FRemoteProtocol := '';
265 >  end
266 >  else
267 >  begin
268 >    FCharSetID := 0;
269 >    FRemoteProtocol := '';
270 >  end;
271 >  FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
272 > end;
273 >
274 > constructor TFBAttachment.Create(DatabaseName: AnsiString; DPB: IDPB;
275    RaiseExceptionOnConnectError: boolean);
276   begin
277    inherited Create;
# Line 120 | Line 279 | begin
279    FSQLDialect := 3;
280    FDatabaseName := DatabaseName;
281    FDPB := DPB;
282 +  SetLength(FUserCharSetMap,0);
283    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
284 +  FODSMajorVersion := 0;
285 +  FODSMinorVersion := 0;
286   end;
287  
288 < function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: string;  aDPB: IDPB): string;
289 < var CreateParams: string;
288 > function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
289 > var CreateParams: AnsiString;
290      DPBItem: IDPBItem;
291   begin
292    CreateParams := '';
# Line 133 | Line 295 | begin
295    begin
296      DPBItem :=  aDPB.Find(isc_dpb_user_name);
297      if DPBItem <> nil then
298 <      CreateParams += ' USER ''' + DPBItem.AsString + '''';
298 >      CreateParams := CreateParams + ' USER ''' + DPBItem.AsString + '''';
299  
300      DPBItem :=  aDPB.Find(isc_dpb_password);
301      if DPBItem <> nil then
302 <      CreateParams += ' Password ''' + DPBItem.AsString + '''';
302 >      CreateParams := CreateParams + ' Password ''' + DPBItem.AsString + '''';
303  
304      DPBItem :=  aDPB.Find(isc_dpb_page_size);
305      if DPBItem <> nil then
306 <      CreateParams += ' PAGE_SIZE ' + DPBItem.AsString;
306 >      CreateParams := CreateParams + ' PAGE_SIZE ' + DPBItem.AsString;
307  
308      DPBItem :=  aDPB.Find(isc_dpb_lc_ctype);
309      if DPBItem <> nil then
310 <      CreateParams += ' DEFAULT CHARACTER SET ' + DPBItem.AsString;
310 >      CreateParams := CreateParams + ' DEFAULT CHARACTER SET ' + DPBItem.AsString;
311  
312      DPBItem :=  aDPB.Find(isc_dpb_sql_dialect);
313      if DPBItem <> nil then
# Line 167 | Line 329 | begin
329    end;
330   end;
331  
332 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
333 + var RegexObj: TRegExpr;
334 + begin
335 +  FDPB := FFirebirdAPI.AllocateDPB;
336 +  RegexObj := TRegExpr.Create;
337 +  try
338 +    {extact database file spec}
339 +    RegexObj.ModifierG := false; {turn off greedy matches}
340 +    RegexObj.ModifierI := true; {case insensitive match}
341 +    RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
342 +    if RegexObj.Exec(CreateSQL) then
343 +    begin
344 +      DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
345 +      DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
346 +    end
347 +    else
348 +    begin
349 +      RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
350 +      if RegexObj.Exec(CreateSQL) then
351 +        DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
352 +    end;
353 +  finally
354 +    RegexObj.Free;
355 +  end;
356 +  if FCharSetID > 0 then
357 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
358 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
359 + end;
360 +
361   procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
362    params: array of const);
363   var i: integer;
# Line 179 | Line 370 | begin
370      case params[i].vtype of
371        vtinteger    :
372          SQLParams[i].AsInteger := params[i].vinteger;
373 +      vtInt64:
374 +        SQLParams[i].AsInt64 := params[i].VInt64^;
375 +      {$IF declared (vtQWord)}
376 +      vtQWord:
377 +        SQLParams[i].AsInt64 := params[i].VQWord^;
378 +      {$IFEND}
379        vtboolean    :
380          SQLParams[i].AsBoolean :=  params[i].vboolean;
381        vtchar       :
# Line 188 | Line 385 | begin
385        vtCurrency:
386          SQLParams[i].AsDouble := params[i].VCurrency^;
387        vtString     :
388 <        SQLParams[i].AsString := params[i].VString^;
388 >        SQLParams[i].AsString := strpas(PChar(params[i].VString));
389        vtPChar      :
390          SQLParams[i].AsString := strpas(params[i].VPChar);
391        vtAnsiString :
392 <        SQLParams[i].AsString := AnsiString(params[i].VAnsiString^);
392 >        SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
393        vtVariant:
394          SQLParams[i].AsVariant := params[i].VVariant^;
395 +      vtWideChar:
396 +        SQLParams[i].AsString := UTF8Encode(WideCharLenToString(@params[i].VWideChar,1));
397 +      vtPWideChar:
398 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VPWideChar)));
399 +      vtWideString:
400 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VWideString)));
401 +      vtUnicodeString:
402 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VUnicodeString)));
403      else
404          IBError(ibxeInvalidVariantType,[nil]);
405      end;
# Line 217 | Line 422 | begin
422    Result := TBPB.Create;
423   end;
424  
425 < procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: string;
425 > procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
426    aSQLDialect: integer);
427   begin
428    ExecImmediate(StartTransaction(TPB,taCommit),sql,aSQLDialect);
429   end;
430  
431 < procedure TFBAttachment.ExecImmediate(transaction: ITransaction; sql: string);
431 > procedure TFBAttachment.ExecImmediate(transaction: ITransaction; sql: AnsiString);
432   begin
433    ExecImmediate(transaction,sql,FSQLDialect);
434   end;
435  
436 < procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: string);
436 > procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString);
437   begin
438    ExecImmediate(StartTransaction(TPB,taCommit),sql,FSQLDialect);
439   end;
440  
441 < function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: string;
441 > function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
442    SQLDialect: integer; params: array of const): IResults;
443   begin
444 <  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,FSQLDialect,params);
444 >  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
445   end;
446  
447 < function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: string;
447 > function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
448    SQLDialect: integer; params: array of const): IResults;
449   begin
450    with Prepare(transaction,sql,SQLDialect) do
# Line 249 | Line 454 | begin
454    end;
455   end;
456  
457 < function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: string;
457 > function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
458    params: array of const): IResults;
459   begin
460     Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,params);
461   end;
462  
463 < function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: string;
463 > function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
464    params: array of const): IResults;
465   begin
466    with Prepare(transaction,sql,FSQLDialect) do
# Line 265 | Line 470 | begin
470    end;
471   end;
472  
473 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
473 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
474    aSQLDialect: integer): IResultSet;
475   begin
476    Result := OpenCursor(transaction,sql,aSQLDialect,[]);
477   end;
478  
479 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
479 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
480    aSQLDialect: integer; params: array of const): IResultSet;
481   var Statement: IStatement;
482   begin
# Line 281 | Line 486 | begin
486    Result := Statement.OpenCursor;
487   end;
488  
489 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string
489 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString
490    ): IResultSet;
491   begin
492    Result := OpenCursor(transaction,sql,FSQLDialect,[]);
493   end;
494  
495 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: string;
495 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
496    params: array of const): IResultSet;
497   begin
498    Result := OpenCursor(transaction,sql,FSQLDialect,params);
499   end;
500  
501   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
502 <  sql: string; aSQLDialect: integer): IResultSet;
502 >  sql: AnsiString; aSQLDialect: integer): IResultSet;
503   begin
504    Result := OpenCursor(transaction,sql,aSQLDialect,[]);
505    Result.FetchNext;
506   end;
507  
508   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
509 <  sql: string; aSQLDialect: integer; params: array of const): IResultSet;
509 >  sql: AnsiString; aSQLDialect: integer; params: array of const): IResultSet;
510   begin
511    Result := OpenCursor(transaction,sql,aSQLDialect,params);
512    Result.FetchNext;
513   end;
514  
515 < function TFBAttachment.OpenCursorAtStart(transaction: ITransaction; sql: string
515 > function TFBAttachment.OpenCursorAtStart(transaction: ITransaction; sql: AnsiString
516    ): IResultSet;
517   begin
518    Result := OpenCursorAtStart(transaction,sql,FSQLDialect,[]);
519   end;
520  
521   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
522 <  sql: string; params: array of const): IResultSet;
522 >  sql: AnsiString; params: array of const): IResultSet;
523   begin
524    Result := OpenCursorAtStart(transaction,sql,FSQLDialect,params);
525   end;
526  
527 < function TFBAttachment.OpenCursorAtStart(sql: string): IResultSet;
527 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString): IResultSet;
528   begin
529    Result := OpenCursorAtStart(sql,[]);
530   end;
531  
532 < function TFBAttachment.OpenCursorAtStart(sql: string;
532 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString;
533    params: array of const): IResultSet;
534   begin
535    Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,params);
536   end;
537  
538 < function TFBAttachment.Prepare(transaction: ITransaction; sql: string
538 > function TFBAttachment.Prepare(transaction: ITransaction; sql: AnsiString
539    ): IStatement;
540   begin
541    Result := Prepare(transaction,sql,FSQLDialect);
542   end;
543  
544   function TFBAttachment.PrepareWithNamedParameters(transaction: ITransaction;
545 <  sql: string; GenerateParamNames: boolean): IStatement;
545 >  sql: AnsiString; GenerateParamNames: boolean): IStatement;
546   begin
547    Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames);
548   end;
549  
550 < function TFBAttachment.GetEventHandler(Event: string): IEvents;
550 > function TFBAttachment.GetEventHandler(Event: AnsiString): IEvents;
551   var S: TStringList;
552   begin
553    S := TStringList.Create;
# Line 365 | Line 570 | begin
570    Result := OpenBlob(Transaction,Field.GetBlobMetadata, Field.AsQuad,BPB);
571   end;
572  
573 + function TFBAttachment.GetConnectString: AnsiString;
574 + begin
575 +  Result := FDatabaseName;
576 + end;
577 +
578 + function TFBAttachment.GetRemoteProtocol: AnsiString;
579 + begin
580 +  Result := FRemoteProtocol;
581 + end;
582 +
583 + function TFBAttachment.GetODSMajorVersion: integer;
584 + begin
585 +  Result := FODSMajorVersion;
586 + end;
587 +
588 + function TFBAttachment.GetODSMinorVersion: integer;
589 + begin
590 +  Result := FODSMinorVersion;
591 + end;
592 +
593 + function TFBAttachment.HasDefaultCharSet: boolean;
594 + begin
595 +  Result := FHasDefaultCharSet
596 + end;
597 +
598 + function TFBAttachment.GetDefaultCharSetID: integer;
599 + begin
600 +  Result := FCharsetID;
601 + end;
602 +
603 + function TFBAttachment.GetCharsetName(CharSetID: integer): AnsiString;
604 + var i: integer;
605 + begin
606 +  Result := '';
607 +  if (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap)) and
608 +                                  (CharSetMap[CharSetID].CharSetID = CharSetID) then
609 +    begin
610 +      Result := CharSetMap[CharSetID].CharSetName;
611 +      Exit;
612 +    end;
613 +
614 +  for i := 0 to Length(FUserCharSetMap) - 1 do
615 +    if FUserCharSetMap[i].CharSetID = CharSetID then
616 +    begin
617 +      Result := FUserCharSetMap[i].CharSetName;
618 +      Exit;
619 +    end;
620 + end;
621 +
622 + function TFBAttachment.CharSetID2CodePage(CharSetID: integer;
623 +  var CodePage: TSystemCodePage): boolean;
624 + var i: integer;
625 + begin
626 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
627 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
628 +  if Result then
629 +    begin
630 +      CodePage := CharSetMap[CharSetID].CodePage;
631 +      Result := true;
632 +      Exit;
633 +    end;
634 +
635 +  for i := 0 to Length(FUserCharSetMap) - 1 do
636 +    if FUserCharSetMap[i].CharSetID = CharSetID then
637 +    begin
638 +      CodePage := FUserCharSetMap[i].CodePage;
639 +      Result := true;
640 +      Exit;
641 +    end;
642 + end;
643 +
644 + function TFBAttachment.CodePage2CharSetID(CodePage: TSystemCodePage;
645 +  var CharSetID: integer): boolean;
646 + var i: integer;
647 + begin
648 +  Result := false;
649 +  for i := Low(CharSetMap) to High(CharSetMap) do
650 +    if (CharSetMap[i].AllowReverseLookup) and (CharSetMap[i].CodePage = CodePage) then
651 +    begin
652 +      CharSetID := CharSetMap[i].CharSetID;
653 +      Result := true;
654 +      Exit;
655 +    end;
656 +
657 +  for i := 0 to Length(FUserCharSetMap) - 1 do
658 +    if (FUserCharSetMap[i].AllowReverseLookup) and (FUserCharSetMap[i].CodePage = CodePage) then
659 +    begin
660 +      CharSetID := FUserCharSetMap[i].CharSetID;
661 +      Result := true;
662 +      Exit;
663 +    end;
664 + end;
665 +
666 + function TFBAttachment.CharSetName2CharSetID(CharSetName: AnsiString;
667 +  var CharSetID: integer): boolean;
668 + var i: integer;
669 + begin
670 +  Result := false;
671 +  for i := Low(CharSetMap) to High(CharSetMap) do
672 +    if AnsiCompareStr(CharSetMap[i].CharSetName, CharSetName) = 0 then
673 +    begin
674 +      CharSetID := CharSetMap[i].CharSetID;
675 +      Result := true;
676 +      Exit;
677 +    end;
678 +
679 +    for i := 0 to Length(FUserCharSetMap) - 1 do
680 +      if AnsiCompareStr(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
681 +      begin
682 +        CharSetID := FUserCharSetMap[i].CharSetID;
683 +        Result := true;
684 +        Exit;
685 +      end;
686 + end;
687 +
688 + function TFBAttachment.CharSetWidth(CharSetID: integer; var Width: integer
689 +  ): boolean;
690 + var i: integer;
691 + begin
692 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
693 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
694 +  if Result then
695 +    begin
696 +      Width := CharSetMap[CharSetID].CharSetWidth;
697 +      Result := true;
698 +      Exit;
699 +    end;
700 +
701 +  for i := 0 to Length(FUserCharSetMap) - 1 do
702 +    if FUserCharSetMap[i].CharSetID = CharSetID then
703 +    begin
704 +      Width := FUserCharSetMap[i].CharSetWidth;
705 +      Result := true;
706 +      Exit;
707 +    end;
708 + end;
709 +
710 + const
711 +  sqlLookupCharSet = 'Select RDB$CHARACTER_SET_ID, RDB$BYTES_PER_CHARACTER From RDB$CHARACTER_SETS '+
712 +                     'Where RDB$SYSTEM_FLAG = 0 and RDB$CHARACTER_SET_NAME = UPPER(?)';
713 +
714 + procedure TFBAttachment.RegisterCharSet(CharSetName: AnsiString;
715 +  CodePage: TSystemCodePage; AllowReverseLookup: boolean; out CharSetID: integer
716 +  );
717 + var CharSets: IResultSet;
718 +    idx: integer;
719 + begin
720 +  if CharSetName2CharSetID(CharSetName,CharSetID) then
721 +    IBError(ibxeCharacterSetExists,[CharSetName]);
722 +
723 +  CharSets := OpenCursorAtStart(sqlLookupCharSet,[CharSetName]);
724 +  if CharSets.IsEof then
725 +    IBError(ibxeUnknownUserCharSet,[CharSetName]);
726 +
727 +  idx := Length(FUserCharSetMap);
728 +  SetLength(FUserCharSetMap,idx+1);
729 +  FUserCharSetMap[idx].AllowReverseLookup := AllowReverseLookup;
730 +  FUserCharSetMap[idx].CharSetID := CharSets[0].AsInteger;
731 +  FUserCharSetMap[idx].CharSetName := AnsiUpperCase(CharSetName);
732 +  FUserCharSetMap[idx].CharSetWidth := CharSets[1].AsInteger;
733 +  FUserCharSetMap[idx].CodePage := CodePage;
734 +  CharSetID := CharSets[0].AsInteger;
735 + end;
736 +
737   end.
738  

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