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Comparing ibx/trunk/fbintf/client/FBAttachment.pas (file contents):
Revision 56 by tony, Mon Mar 6 10:20:02 2017 UTC vs.
Revision 350 by tony, Wed Oct 20 14:58:56 2021 UTC

# Line 32 | Line 32 | unit FBAttachment;
32   {$IFDEF FPC}
33   {$mode delphi}
34   {$interfaces COM}
35 + {$define HASREQEX}
36   {$ENDIF}
37  
38   interface
39  
40   uses
41 <  Classes, SysUtils, IB,  FBParamBlock, FBActivityMonitor;
41 >  Classes, SysUtils, {$IFDEF WINDOWS} windows, {$ENDIF} IB,  FBParamBlock,
42 >  FBActivityMonitor, FBClientAPI;
43 >
44 > const
45 >  DefaultMaxInlineBlobLimit = 8192;
46  
47   type
48 +  TCharsetMap = record
49 +    CharsetID: integer;
50 +    CharSetName: AnsiString;
51 +    CharSetWidth: integer;
52 +    CodePage: TSystemCodePage;
53 +    AllowReverseLookup: boolean; {used to ensure that lookup of CP_UTF* does not return UNICODE_FSS}
54 +  end;
55  
56    { TFBAttachment }
57  
# Line 47 | Line 59 | type
59    private
60      FDPB: IDPB;
61      FFirebirdAPI: IFirebirdAPI;
62 +    FODSMajorVersion: integer;
63 +    FODSMinorVersion: integer;
64 +    FUserCharSetMap: array of TCharSetMap;
65 +    FSecDatabase: AnsiString;
66 +    FInlineBlobLimit: integer;
67    protected
68      FDatabaseName: AnsiString;
69      FRaiseExceptionOnConnectError: boolean;
# Line 54 | Line 71 | type
71      FHasDefaultCharSet: boolean;
72      FCharSetID: integer;
73      FCodePage: TSystemCodePage;
74 <    constructor Create(DatabaseName: AnsiString; DPB: IDPB;
74 >    FRemoteProtocol: AnsiString;
75 >    FAuthMethod: AnsiString;
76 >    constructor Create(api: TFBClientAPI; DatabaseName: AnsiString; DPB: IDPB;
77        RaiseExceptionOnConnectError: boolean);
78      procedure CheckHandle; virtual; abstract;
79      function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
80 +    procedure GetODSAndConnectionInfo;
81 +    function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
82 +    function IsConnected: boolean; virtual; abstract;
83      procedure EndAllTransactions;
84 +    procedure DPBFromCreateSQL(CreateSQL: AnsiString);
85      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
86 +    procedure UseServerICUChanged; virtual;
87    public
88      destructor Destroy; override;
89 +    function getFirebirdAPI: IFirebirdAPI;
90      function getDPB: IDPB;
91      function AllocateBPB: IBPB;
92 +    function AllocateDIRB: IDIRB;
93      function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
94      function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
95      procedure Disconnect(Force: boolean=false); virtual; abstract;
# Line 75 | Line 101 | type
101      function ExecuteSQL(transaction: ITransaction; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
102      function ExecuteSQL(TPB: array of byte; sql: AnsiString; params: array of const): IResults; overload;
103      function ExecuteSQL(transaction: ITransaction; sql: AnsiString; params: array of const): IResults; overload;
104 <    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
104 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
105 >                             Scrollable: boolean=false): IResultSet; overload;
106      function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
107                               params: array of const): IResultSet; overload;
108 <    function OpenCursor(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
108 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
109      function OpenCursor(transaction: ITransaction; sql: AnsiString;
110                               params: array of const): IResultSet; overload;
111 <    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IResultSet; overload;
111 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
112 >                             params: array of const): IResultSet; overload;
113 >    function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
114 >                             params: array of const): IResultSet; overload;
115 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
116 >                             Scrollable: boolean=false): IResultSet; overload;
117      function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
118                               params: array of const): IResultSet; overload;
119 <    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString): IResultSet; overload;
119 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
120 >                             params: array of const): IResultSet; overload;
121 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
122      function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
123                               params: array of const): IResultSet; overload;
124 <    function OpenCursorAtStart(sql: AnsiString): IResultSet; overload;
124 >    function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; Scrollable: boolean;
125 >                             params: array of const): IResultSet; overload;
126 >    function OpenCursorAtStart(sql: AnsiString;Scrollable: boolean=false): IResultSet; overload;
127 >    function OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
128 >                             params: array of const): IResultSet; overload;
129      function OpenCursorAtStart(sql: AnsiString;
130                               params: array of const): IResultSet; overload;
131 <    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload; virtual; abstract;
132 <    function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
131 >    function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer; CursorName: AnsiString=''): IStatement; overload; virtual; abstract;
132 >    function Prepare(transaction: ITransaction; sql: AnsiString; CursorName: AnsiString=''): IStatement; overload;
133      function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
134 <                       aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload; virtual; abstract;
134 >                       aSQLDialect: integer; GenerateParamNames: boolean=false;
135 >                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; virtual; abstract;
136      function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
137 <                       GenerateParamNames: boolean=false): IStatement; overload;
137 >                       GenerateParamNames: boolean=false;
138 >                       CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
139      function GetEventHandler(Events: TStrings): IEvents; overload; virtual; abstract;
140      function GetEventHandler(Event: AnsiString): IEvents; overload;
141  
142      function GetSQLDialect: integer;
143 +    function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
144 +    function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
145      function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
146 +    function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload;
147      function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
148 +    function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString
149 +      ): IArray; overload;
150 +    function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload; virtual; abstract;
151 +    function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray; overload;
152 +    function OpenArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData; ArrayID: TISC_QUAD): IArray; overload; virtual; abstract;
153      property SQLDialect: integer read FSQLDialect;
154 <    property HasDefaultCharSet: boolean read FHasDefaultCharSet;
154 >    property DPB: IDPB read FDPB;
155 >  public
156 >    function GetDBInformation(Requests: array of byte): IDBInformation; overload;
157 >    function GetDBInformation(Request: byte): IDBInformation; overload;
158 >    function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
159 >    function GetConnectString: AnsiString;
160 >    function GetRemoteProtocol: AnsiString;
161 >    function GetAuthenticationMethod: AnsiString;
162 >    function GetSecurityDatabase: AnsiString;
163 >    function GetODSMajorVersion: integer;
164 >    function GetODSMinorVersion: integer;
165 >    function HasDecFloatSupport: boolean; virtual;
166 >    function GetInlineBlobLimit: integer;
167 >    procedure SetInlineBlobLimit(limit: integer);
168 >    function HasBatchMode: boolean; virtual;
169 >
170 >  public
171 >    {Character Sets}
172 >    function HasDefaultCharSet: boolean;
173 >    function GetDefaultCharSetID: integer;
174 >    function GetCharsetName(CharSetID: integer): AnsiString;
175 >    function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
176 >    function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
177 >    function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
178 >    function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
179 >    procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
180 >      AllowReverseLookup:boolean; out CharSetID: integer);
181 >    function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData; virtual; abstract;
182 >    function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData; virtual; abstract;
183      property CharSetID: integer read FCharSetID;
184      property CodePage: TSystemCodePage read FCodePage;
185 <    property DPB: IDPB read FDPB;
185 >
186 >  public
187 >    {Time Zone Support}
188 >    function GetTimeZoneServices: ITimeZoneServices; virtual;
189 >    function HasTimeZoneSupport: boolean; virtual;
190 >
191 >  end;
192 >
193 >  { TDPBItem }
194 >
195 >  TDPBItem = class(TParamBlockItem,IDPBItem)
196 >  public
197 >   function getParamTypeName: AnsiString; override;
198 >  end;
199 >
200 >  { TDPB }
201 >
202 >  TDPB = class (TCustomParamBlock<TDPBItem,IDPBItem>, IDPB)
203 >  protected
204 >   function LookupItemType(ParamTypeName: AnsiString): byte; override;
205 >  public
206 >    constructor Create(api: TFBClientAPI);
207 >    function GetParamTypeName(ParamType: byte): Ansistring;
208 >    {$IFDEF FPC}
209 >    function IDPB.GetDPBParamTypeName = GetParamTypeName;
210 >    {$ELSE}
211 >    function GetDPBParamTypeName(ParamType: byte): Ansistring;
212 >    {$ENDIF}
213    end;
214  
215   implementation
216  
217 < uses FBMessages, FBTransaction;
217 > uses FBMessages, IBUtils, FBTransaction {$IFDEF HASREQEX}, RegExpr{$ENDIF};
218 >
219 > const
220 >  CharSetMap: array [0..69] of TCharsetMap = (
221 >  (CharsetID: 0; CharSetName: 'NONE'; CharSetWidth: 1; CodePage: CP_ACP; AllowReverseLookup: true),
222 >  (CharsetID: 1; CharSetName: 'OCTETS'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
223 >  (CharsetID: 2; CharSetName: 'ASCII'; CharSetWidth: 1; CodePage: CP_ASCII; AllowReverseLookup: true),
224 >  (CharsetID: 3; CharSetName: 'UNICODE_FSS'; CharSetWidth: 3; CodePage: CP_UTF8; AllowReverseLookup: false),
225 >  (CharsetID: 4; CharSetName: 'UTF8'; CharSetWidth: 4; CodePage: CP_UTF8; AllowReverseLookup: true),
226 >  (CharsetID: 5; CharSetName: 'SJIS_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
227 >  (CharsetID: 6; CharSetName: 'EUCJ_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
228 >  (CharsetID: 7; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
229 >  (CharsetID: 8; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
230 >  (CharsetID: 9; CharSetName: 'DOS737'; CharSetWidth: 1; CodePage: 737; AllowReverseLookup: true),
231 >  (CharsetID: 10; CharSetName: 'DOS437'; CharSetWidth: 1; CodePage: 437; AllowReverseLookup: true),
232 >  (CharsetID: 11; CharSetName: 'DOS850'; CharSetWidth: 1; CodePage: 850; AllowReverseLookup: true),
233 >  (CharsetID: 12; CharSetName: 'DOS865'; CharSetWidth: 1; CodePage: 865; AllowReverseLookup: true),
234 >  (CharsetID: 13; CharSetName: 'DOS860'; CharSetWidth: 1; CodePage: 860; AllowReverseLookup: true),
235 >  (CharsetID: 14; CharSetName: 'DOS863'; CharSetWidth: 1; CodePage: 863; AllowReverseLookup: true),
236 >  (CharsetID: 15; CharSetName: 'DOS775'; CharSetWidth: 1; CodePage: 775; AllowReverseLookup: true),
237 >  (CharsetID: 16; CharSetName: 'DOS858'; CharSetWidth: 1; CodePage: 858; AllowReverseLookup: true),
238 >  (CharsetID: 17; CharSetName: 'DOS862'; CharSetWidth: 1; CodePage: 862; AllowReverseLookup: true),
239 >  (CharsetID: 18; CharSetName: 'DOS864'; CharSetWidth: 1; CodePage: 864; AllowReverseLookup: true),
240 >  (CharsetID: 19; CharSetName: 'NEXT'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
241 >  (CharsetID: 20; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
242 >  (CharsetID: 21; CharSetName: 'ISO8859_1'; CharSetWidth: 1; CodePage: 28591; AllowReverseLookup: true),
243 >  (CharsetID: 22; CharSetName: 'ISO8859_2'; CharSetWidth: 1; CodePage: 28592; AllowReverseLookup: true),
244 >  (CharsetID: 23; CharSetName: 'ISO8859_3'; CharSetWidth: 1; CodePage: 28593; AllowReverseLookup: true),
245 >  (CharsetID: 24; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
246 >  (CharsetID: 25; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
247 >  (CharsetID: 26; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
248 >  (CharsetID: 27; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
249 >  (CharsetID: 28; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
250 >  (CharsetID: 29; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
251 >  (CharsetID: 30; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
252 >  (CharsetID: 31; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
253 >  (CharsetID: 32; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
254 >  (CharsetID: 33; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
255 >  (CharsetID: 34; CharSetName: 'ISO8859_4'; CharSetWidth: 1; CodePage: 28594; AllowReverseLookup: true),
256 >  (CharsetID: 35; CharSetName: 'ISO8859_5'; CharSetWidth: 1; CodePage: 28595; AllowReverseLookup: true),
257 >  (CharsetID: 36; CharSetName: 'ISO8859_6'; CharSetWidth: 1; CodePage: 28596; AllowReverseLookup: true),
258 >  (CharsetID: 37; CharSetName: 'ISO8859_7'; CharSetWidth: 1; CodePage: 28597; AllowReverseLookup: true),
259 >  (CharsetID: 38; CharSetName: 'ISO8859_8'; CharSetWidth: 1; CodePage: 28598; AllowReverseLookup: true),
260 >  (CharsetID: 39; CharSetName: 'ISO8859_9'; CharSetWidth: 1; CodePage: 28599; AllowReverseLookup: true),
261 >  (CharsetID: 40; CharSetName: 'ISO8859_13'; CharSetWidth: 1; CodePage: 28603; AllowReverseLookup: true),
262 >  (CharsetID: 41; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
263 >  (CharsetID: 42; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
264 >  (CharsetID: 43; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
265 >  (CharsetID: 44; CharSetName: 'KSC_5601'; CharSetWidth: 2; CodePage: 949; AllowReverseLookup: true),
266 >  (CharsetID: 45; CharSetName: 'DOS852'; CharSetWidth: 1; CodePage: 852; AllowReverseLookup: true),
267 >  (CharsetID: 46; CharSetName: 'DOS857'; CharSetWidth: 1; CodePage: 857; AllowReverseLookup: true),
268 >  (CharsetID: 47; CharSetName: 'DOS861'; CharSetWidth: 1; CodePage: 861; AllowReverseLookup: true),
269 >  (CharsetID: 48; CharSetName: 'DOS866'; CharSetWidth: 1; CodePage: 866; AllowReverseLookup: true),
270 >  (CharsetID: 49; CharSetName: 'DOS869'; CharSetWidth: 1; CodePage: 869; AllowReverseLookup: true),
271 >  (CharsetID: 50; CharSetName: 'CYRL'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
272 >  (CharsetID: 51; CharSetName: 'WIN1250'; CharSetWidth: 1; CodePage: 1250; AllowReverseLookup: true),
273 >  (CharsetID: 52; CharSetName: 'WIN1251'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
274 >  (CharsetID: 53; CharSetName: 'WIN1252'; CharSetWidth: 1; CodePage: 1252; AllowReverseLookup: true),
275 >  (CharsetID: 54; CharSetName: 'WIN1253'; CharSetWidth: 1; CodePage: 1253; AllowReverseLookup: true),
276 >  (CharsetID: 55; CharSetName: 'WIN1254'; CharSetWidth: 1; CodePage: 1254; AllowReverseLookup: true),
277 >  (CharsetID: 56; CharSetName: 'BIG_5'; CharSetWidth: 2; CodePage: 950; AllowReverseLookup: true),
278 >  (CharsetID: 57; CharSetName: 'GB_2312'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
279 >  (CharsetID: 58; CharSetName: 'WIN1255'; CharSetWidth: 1; CodePage: 1255; AllowReverseLookup: true),
280 >  (CharsetID: 59; CharSetName: 'WIN1256'; CharSetWidth: 1; CodePage: 1256; AllowReverseLookup: true),
281 >  (CharsetID: 60; CharSetName: 'WIN1257'; CharSetWidth: 1; CodePage: 1257; AllowReverseLookup: true),
282 >  (CharsetID: 61; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
283 >  (CharsetID: 62; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
284 >  (CharsetID: 63; CharSetName: 'KOI8R'; CharSetWidth: 1; CodePage: 20866; AllowReverseLookup: true),
285 >  (CharsetID: 64; CharSetName: 'KOI8U'; CharSetWidth: 1; CodePage: 21866; AllowReverseLookup: true),
286 >  (CharsetID: 65; CharSetName: 'WIN1258'; CharSetWidth: 1; CodePage: 1258; AllowReverseLookup: true),
287 >  (CharsetID: 66; CharSetName: 'TIS620'; CharSetWidth: 1; CodePage: 874; AllowReverseLookup: true),
288 >  (CharsetID: 67; CharSetName: 'GBK'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
289 >  (CharsetID: 68; CharSetName: 'CP943C'; CharSetWidth: 2; CodePage: 943; AllowReverseLookup: true),
290 >  (CharsetID: 69; CharSetName: 'GB18030'; CharSetWidth: 4; CodePage: 54936; AllowReverseLookup: true)
291 > );
292 >
293 > const
294 >  isc_dpb_last_dpb_constant = isc_dpb_decfloat_traps;
295 >
296 >  DPBConstantNames: array[1..isc_dpb_last_dpb_constant] of string = (
297 >    'cdd_pathname',
298 >    'allocation',
299 >    'journal',
300 >    'page_size',
301 >    'num_buffers',
302 >    'buffer_length',
303 >    'debug',
304 >    'garbage_collect',
305 >    'verify',
306 >    'sweep',
307 >    'enable_journal',
308 >    'disable_journal',
309 >    'dbkey_scope',
310 >    'number_of_users',
311 >    'trace',
312 >    'no_garbage_collect',
313 >    'damaged',
314 >    'license',
315 >    'sys_user_name',
316 >    'encrypt_key',
317 >    'activate_shadow',
318 >    'sweep_interval',
319 >    'delete_shadow',
320 >    'force_write',
321 >    'begin_log',
322 >    'quit_log',
323 >    'no_reserve',
324 >    'user_name',
325 >    'password',
326 >    'password_enc',
327 >    'sys_user_name_enc',
328 >    'interp',
329 >    'online_dump',
330 >    'old_file_size',
331 >    'old_num_files',
332 >    'old_file',
333 >    'old_start_page',
334 >    'old_start_seqno',
335 >    'old_start_file',
336 >    'drop_walfile',
337 >    'old_dump_id',
338 >    'wal_backup_dir',
339 >    'wal_chkptlen',
340 >    'wal_numbufs',
341 >    'wal_bufsize',
342 >    'wal_grp_cmt_wait',
343 >    'lc_messages',
344 >    'lc_ctype',
345 >    'cache_manager',
346 >    'shutdown',
347 >    'online',
348 >    'shutdown_delay',
349 >    'reserved',
350 >    'overwrite',
351 >    'sec_attach',
352 >    'disable_wal',
353 >    'connect_timeout',
354 >    'dummy_packet_interval',
355 >    'gbak_attach',
356 >    'sql_role_name',
357 >    'set_page_buffers',
358 >    'working_directory',
359 >    'sql_dialect',
360 >    'set_db_readonly',
361 >    'set_db_sql_dialect',
362 >    'gfix_attach',
363 >    'gstat_attach',
364 >    'set_db_charset',
365 >    'gsec_attach',
366 >    'address_path' ,
367 >    'process_id',
368 >    'no_db_triggers',
369 >    'trusted_auth',
370 >    'process_name',
371 >    'trusted_role',
372 >    'org_filename',
373 >    'utf8_ilename',
374 >    'ext_call_depth',
375 >    'auth_block',
376 >    'client_version',
377 >    'remote_protocol',
378 >    'host_name',
379 >    'os_user',
380 >    'specific_auth_data',
381 >    'auth_plugin_list',
382 >    'auth_plugin_name',
383 >    'config',
384 >    'nolinger',
385 >    'reset_icu',
386 >    'map_attach',
387 >    'session_time_zone',
388 >    'set_db_replica',
389 >    'set_bind',
390 >    'decfloat_round',
391 >    'decfloat_traps'
392 >    );
393 >
394 >
395  
396   { TFBAttachment }
397  
398 < constructor TFBAttachment.Create(DatabaseName: AnsiString; DPB: IDPB;
399 <  RaiseExceptionOnConnectError: boolean);
398 > procedure TFBAttachment.GetODSAndConnectionInfo;
399 > var DBInfo: IDBInformation;
400 >    i: integer;
401 >    Stmt: IStatement;
402 >    ResultSet: IResultSet;
403 >    Param: IDPBItem;
404 > begin
405 >  if not IsConnected then Exit;
406 >  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
407 >                               isc_info_db_SQL_Dialect]);
408 >  for i := 0 to DBInfo.GetCount - 1 do
409 >    with DBInfo[i] do
410 >      case getItemType of
411 >      isc_info_ods_minor_version:
412 >        FODSMinorVersion := getAsInteger;
413 >      isc_info_ods_version:
414 >        FODSMajorVersion := getAsInteger;
415 >      isc_info_db_SQL_Dialect:
416 >        FSQLDialect := getAsInteger;
417 >      end;
418 >
419 >  FCharSetID := 0;
420 >  FRemoteProtocol := '';
421 >  FAuthMethod := 'Legacy_Auth';
422 >  FSecDatabase := 'Default';
423 >  if FODSMajorVersion > 11 then
424 >  begin
425 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
426 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL, MON$AUTH_METHOD, MON$SEC_DATABASE From MON$ATTACHMENTS, MON$DATABASE '+
427 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION ');
428 >    ResultSet := Stmt.OpenCursor;
429 >    if ResultSet.FetchNext then
430 >    begin
431 >      FCharSetID := ResultSet[0].AsInteger;
432 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
433 >      FAuthMethod := Trim(ResultSet[2].AsString);
434 >      FSecDatabase := Trim(ResultSet[3].AsString);
435 >    end
436 >  end
437 >  else
438 >  if (FODSMajorVersion = 11) and (FODSMinorVersion >= 1) then
439 >  begin
440 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
441 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL From MON$ATTACHMENTS '+
442 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
443 >    ResultSet := Stmt.OpenCursor;
444 >    if ResultSet.FetchNext then
445 >    begin
446 >      FCharSetID := ResultSet[0].AsInteger;
447 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
448 >    end
449 >  end
450 >  else
451 >  if DPB <> nil then
452 >  begin
453 >    Param :=  DPB.Find(isc_dpb_lc_ctype);
454 >    if (Param = nil) or not CharSetName2CharSetID(Param.AsString,FCharSetID) then
455 >      FCharSetID := 0;
456 >    case GetProtocol(FDatabaseName) of
457 >    TCP:       FRemoteProtocol := 'TCPv4';
458 >    Local:     FRemoteProtocol := '';
459 >    NamedPipe: FRemoteProtocol := 'Netbui';
460 >    SPX:       FRemoteProtocol := 'SPX'
461 >    end;
462 >  end;
463 >  FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
464 > end;
465 >
466 > constructor TFBAttachment.Create(api: TFBClientAPI; DatabaseName: AnsiString;
467 >  DPB: IDPB; RaiseExceptionOnConnectError: boolean);
468   begin
469    inherited Create;
470 <  FFirebirdAPI := FirebirdAPI; {Keep reference to interface}
470 >  FFirebirdAPI := api.GetAPI; {Keep reference to interface}
471    FSQLDialect := 3;
472    FDatabaseName := DatabaseName;
473    FDPB := DPB;
474 +  SetLength(FUserCharSetMap,0);
475    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
476 +  FODSMajorVersion := 0;
477 +  FODSMinorVersion := 0;
478 +  FInlineBlobLimit := DefaultMaxInlineBlobLimit;
479   end;
480  
481   function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
# Line 170 | Line 522 | begin
522    end;
523   end;
524  
525 + {$IFDEF HASREQEX}
526 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
527 + var RegexObj: TRegExpr;
528 + begin
529 +  FDPB := FFirebirdAPI.AllocateDPB;
530 +  RegexObj := TRegExpr.Create;
531 +  try
532 +    {extact database file spec}
533 +    RegexObj.ModifierG := false; {turn off greedy matches}
534 +    RegexObj.ModifierI := true; {case insensitive match}
535 +    RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
536 +    if RegexObj.Exec(CreateSQL) then
537 +    begin
538 +      DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
539 +      DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
540 +    end
541 +    else
542 +    begin
543 +      RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
544 +      if RegexObj.Exec(CreateSQL) then
545 +        DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
546 +    end;
547 +  finally
548 +    RegexObj.Free;
549 +  end;
550 +  if FCharSetID > 0 then
551 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
552 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
553 + end;
554 + {$ELSE}
555 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
556 + begin
557 +  FDPB := FFirebirdAPI.AllocateDPB;
558 +  if FCharSetID > 0 then
559 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
560 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
561 + end;
562 + {$ENDIF}
563 +
564   procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
565    params: array of const);
566   var i: integer;
# Line 182 | Line 573 | begin
573      case params[i].vtype of
574        vtinteger    :
575          SQLParams[i].AsInteger := params[i].vinteger;
576 +      vtInt64:
577 +        SQLParams[i].AsInt64 := params[i].VInt64^;
578 +      {$IF declared (vtQWord)}
579 +      vtQWord:
580 +        SQLParams[i].AsInt64 := params[i].VQWord^;
581 +      {$IFEND}
582        vtboolean    :
583          SQLParams[i].AsBoolean :=  params[i].vboolean;
584        vtchar       :
# Line 191 | Line 588 | begin
588        vtCurrency:
589          SQLParams[i].AsDouble := params[i].VCurrency^;
590        vtString     :
591 <        SQLParams[i].AsString := params[i].VString^;
591 >        SQLParams[i].AsString := strpas(PChar(params[i].VString));
592        vtPChar      :
593          SQLParams[i].AsString := strpas(params[i].VPChar);
594        vtAnsiString :
595 <        SQLParams[i].AsString := AnsiString(params[i].VAnsiString^);
595 >        SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
596        vtVariant:
597          SQLParams[i].AsVariant := params[i].VVariant^;
598 +      vtWideChar:
599 +        SQLParams[i].AsString := UTF8Encode(WideCharLenToString(@params[i].VWideChar,1));
600 +      vtPWideChar:
601 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VPWideChar)));
602 +      vtWideString:
603 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VWideString)));
604 +      vtUnicodeString:
605 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VUnicodeString)));
606      else
607          IBError(ibxeInvalidVariantType,[nil]);
608      end;
609    end;
610   end;
611  
612 + procedure TFBAttachment.UseServerICUChanged;
613 + begin
614 +  // Do nothing by default
615 + end;
616 +
617   destructor TFBAttachment.Destroy;
618   begin
619    Disconnect(true);
620    inherited Destroy;
621   end;
622  
623 + function TFBAttachment.getFirebirdAPI: IFirebirdAPI;
624 + begin
625 +  Result := FFirebirdAPI;
626 + end;
627 +
628   function TFBAttachment.getDPB: IDPB;
629   begin
630    Result := FDPB;
# Line 217 | Line 632 | end;
632  
633   function TFBAttachment.AllocateBPB: IBPB;
634   begin
635 <  Result := TBPB.Create;
635 >  Result := TBPB.Create(FFirebirdAPI as TFBClientAPI);
636 > end;
637 >
638 > function TFBAttachment.AllocateDIRB: IDIRB;
639 > begin
640 >  Result := TDIRB.Create(FFirebirdAPI as TFBClientAPI);
641   end;
642  
643   procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
# Line 239 | Line 659 | end;
659   function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
660    SQLDialect: integer; params: array of const): IResults;
661   begin
662 <  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,FSQLDialect,params);
662 >  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
663   end;
664  
665   function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
# Line 269 | Line 689 | begin
689   end;
690  
691   function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
692 <  aSQLDialect: integer): IResultSet;
692 >  aSQLDialect: integer; Scrollable: boolean): IResultSet;
693   begin
694 <  Result := OpenCursor(transaction,sql,aSQLDialect,[]);
694 >  Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,[]);
695   end;
696  
697   function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
698    aSQLDialect: integer; params: array of const): IResultSet;
699 < var Statement: IStatement;
699 >
700   begin
701 <  CheckHandle;
282 <  Statement := Prepare(transaction,sql,aSQLDialect);
283 <  SetParameters(Statement.SQLParams,params);
284 <  Result := Statement.OpenCursor;
701 >  Result := OpenCursor(transaction,sql,FSQLDialect,false,params);
702   end;
703  
704 < function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString
705 <  ): IResultSet;
704 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
705 >  Scrollable: boolean): IResultSet;
706 > begin
707 >  Result := OpenCursor(transaction,sql,FSQLDialect,Scrollable,[]);
708 > end;
709 >
710 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
711 >  params: array of const): IResultSet;
712 > begin
713 >  Result := OpenCursor(transaction,sql,FSQLDialect,false,params);
714 > end;
715 >
716 > function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
717 >  Scrollable: boolean; params: array of const): IResultSet;
718   begin
719 <  Result := OpenCursor(transaction,sql,FSQLDialect,[]);
719 >  Result := OpenCursor(transaction,sql,FSQLDialect,Scrollable,params);
720   end;
721  
722   function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
723 +  aSQLDialect: integer; Scrollable: boolean;
724    params: array of const): IResultSet;
725 + var Statement: IStatement;
726   begin
727 <  Result := OpenCursor(transaction,sql,FSQLDialect,params);
727 >  CheckHandle;
728 >  Statement := Prepare(transaction,sql,aSQLDialect);
729 >  SetParameters(Statement.SQLParams,params);
730 >  Result := Statement.OpenCursor(Scrollable);
731   end;
732  
733   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
734 <  sql: AnsiString; aSQLDialect: integer): IResultSet;
734 >  sql: AnsiString; aSQLDialect: integer; Scrollable: boolean): IResultSet;
735   begin
736 <  Result := OpenCursor(transaction,sql,aSQLDialect,[]);
736 >  Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,[]);
737    Result.FetchNext;
738   end;
739  
# Line 310 | Line 744 | begin
744    Result.FetchNext;
745   end;
746  
747 < function TFBAttachment.OpenCursorAtStart(transaction: ITransaction; sql: AnsiString
748 <  ): IResultSet;
747 > function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
748 >  sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
749 >  params: array of const): IResultSet;
750   begin
751 <  Result := OpenCursorAtStart(transaction,sql,FSQLDialect,[]);
751 >  Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,params);
752 >  Result.FetchNext;
753 > end;
754 >
755 > function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
756 >  sql: AnsiString; Scrollable: boolean): IResultSet;
757 > begin
758 >  Result := OpenCursorAtStart(transaction,sql,FSQLDialect,Scrollable,[]);
759   end;
760  
761   function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
# Line 322 | Line 764 | begin
764    Result := OpenCursorAtStart(transaction,sql,FSQLDialect,params);
765   end;
766  
767 < function TFBAttachment.OpenCursorAtStart(sql: AnsiString): IResultSet;
767 > function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
768 >  sql: AnsiString; Scrollable: boolean; params: array of const): IResultSet;
769   begin
770 <  Result := OpenCursorAtStart(sql,[]);
770 >  Result := OpenCursorAtStart(transaction,sql,FSQLDialect,Scrollable,params);
771 > end;
772 >
773 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString; Scrollable: boolean
774 >  ): IResultSet;
775 > begin
776 >  Result := OpenCursorAtStart(sql,Scrollable,[]);
777 > end;
778 >
779 > function TFBAttachment.OpenCursorAtStart(sql: AnsiString; Scrollable: boolean;
780 >  params: array of const): IResultSet;
781 > begin
782 >  Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,
783 >                   Scrollable,params);
784   end;
785  
786   function TFBAttachment.OpenCursorAtStart(sql: AnsiString;
787    params: array of const): IResultSet;
788   begin
789 <  Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,params);
789 >  Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,
790 >                   false,params);
791   end;
792  
793 < function TFBAttachment.Prepare(transaction: ITransaction; sql: AnsiString
794 <  ): IStatement;
793 > function TFBAttachment.Prepare(transaction: ITransaction; sql: AnsiString;
794 >  CursorName: AnsiString): IStatement;
795   begin
796 <  Result := Prepare(transaction,sql,FSQLDialect);
796 >  Result := Prepare(transaction,sql,FSQLDialect,CursorName);
797   end;
798  
799   function TFBAttachment.PrepareWithNamedParameters(transaction: ITransaction;
800 <  sql: AnsiString; GenerateParamNames: boolean): IStatement;
800 >  sql: AnsiString; GenerateParamNames: boolean; CaseSensitiveParams: boolean;
801 >  CursorName: AnsiString): IStatement;
802   begin
803 <  Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames);
803 >  Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames,CaseSensitiveParams,CursorName);
804   end;
805  
806   function TFBAttachment.GetEventHandler(Event: AnsiString): IEvents;
# Line 362 | Line 820 | begin
820    Result := FSQLDialect;
821   end;
822  
823 + function TFBAttachment.CreateBlob(transaction: ITransaction; RelationName,
824 +  ColumnName: AnsiString; BPB: IBPB): IBlob;
825 + begin
826 +  Result := CreateBlob(transaction,GetBlobMetaData(Transaction,RelationName,ColumnName),BPB);
827 + end;
828 +
829 + function TFBAttachment.OpenBlob(transaction: ITransaction; RelationName,
830 +  ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB): IBlob;
831 + begin
832 +  Result := OpenBlob(Transaction,
833 +                GetBlobMetaData(Transaction,RelationName,ColumnName),
834 +                BlobID,BPB);
835 + end;
836 +
837   function TFBAttachment.OpenBlob(transaction: ITransaction; Field: ISQLData;
838    BPB: IBPB): IBlob;
839   begin
840    Result := OpenBlob(Transaction,Field.GetBlobMetadata, Field.AsQuad,BPB);
841   end;
842  
843 + function TFBAttachment.CreateArray(transaction: ITransaction; RelationName,
844 +  ColumnName: AnsiString): IArray;
845 + begin
846 +  Result := CreateArray(transaction,GetArrayMetaData(transaction,RelationName,ColumnName));
847 + end;
848 +
849 + function TFBAttachment.OpenArray(transaction: ITransaction; RelationName,
850 +  ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
851 + begin
852 +  Result := OpenArray(transaction,
853 +    GetArrayMetaData(transaction,RelationName,ColumnName),ArrayID);
854 + end;
855 +
856 + function TFBAttachment.GetDBInformation(Requests: array of byte
857 +  ): IDBInformation;
858 + var ReqBuffer: PByte;
859 +    i: integer;
860 + begin
861 +  CheckHandle;
862 +  if Length(Requests) = 1 then
863 +    Result := GetDBInformation(Requests[0])
864 +  else
865 +  begin
866 +    GetMem(ReqBuffer,Length(Requests));
867 +    try
868 +      for i := 0 to Length(Requests) - 1 do
869 +        ReqBuffer[i] := Requests[i];
870 +
871 +      Result := GetDBInfo(ReqBuffer,Length(Requests));
872 +
873 +    finally
874 +      FreeMem(ReqBuffer);
875 +    end;
876 +  end;
877 + end;
878 +
879 + function TFBAttachment.GetDBInformation(Request: byte): IDBInformation;
880 + begin
881 +  CheckHandle;
882 +  Result := GetDBInfo(@Request,1);
883 + end;
884 +
885 + function TFBAttachment.GetDBInformation(Requests: IDIRB): IDBInformation;
886 + begin
887 +  CheckHandle;
888 +  with Requests as TDIRB do
889 +    Result := GetDBInfo(getBuffer,getDataLength);
890 + end;
891 +
892 + function TFBAttachment.GetConnectString: AnsiString;
893 + begin
894 +  Result := FDatabaseName;
895 + end;
896 +
897 + function TFBAttachment.GetRemoteProtocol: AnsiString;
898 + begin
899 +  Result := FRemoteProtocol;
900 + end;
901 +
902 + function TFBAttachment.GetAuthenticationMethod: AnsiString;
903 + begin
904 +  Result := FAuthMethod;
905 + end;
906 +
907 + function TFBAttachment.GetSecurityDatabase: AnsiString;
908 + begin
909 +  Result := FSecDatabase;
910 + end;
911 +
912 + function TFBAttachment.GetODSMajorVersion: integer;
913 + begin
914 +  Result := FODSMajorVersion;
915 + end;
916 +
917 + function TFBAttachment.GetODSMinorVersion: integer;
918 + begin
919 +  Result := FODSMinorVersion;
920 + end;
921 +
922 + function TFBAttachment.HasDecFloatSupport: boolean;
923 + begin
924 +  Result := false;
925 + end;
926 +
927 + function TFBAttachment.GetInlineBlobLimit: integer;
928 + begin
929 +  Result := FInlineBlobLimit;
930 + end;
931 +
932 + procedure TFBAttachment.SetInlineBlobLimit(limit: integer);
933 + begin
934 +  if limit > 32*1024 then
935 +     FInlineBlobLimit := 32*1024
936 +  else
937 +    FInlineBlobLimit := limit;
938 + end;
939 +
940 + function TFBAttachment.HasBatchMode: boolean;
941 + begin
942 +  Result := false;
943 + end;
944 +
945 + function TFBAttachment.HasDefaultCharSet: boolean;
946 + begin
947 +  Result := FHasDefaultCharSet
948 + end;
949 +
950 + function TFBAttachment.GetDefaultCharSetID: integer;
951 + begin
952 +  Result := FCharsetID;
953 + end;
954 +
955 + function TFBAttachment.GetCharsetName(CharSetID: integer): AnsiString;
956 + var i: integer;
957 + begin
958 +  Result := '';
959 +  if (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap)) and
960 +                                  (CharSetMap[CharSetID].CharSetID = CharSetID) then
961 +    begin
962 +      Result := CharSetMap[CharSetID].CharSetName;
963 +      Exit;
964 +    end;
965 +
966 +  for i := 0 to Length(FUserCharSetMap) - 1 do
967 +    if FUserCharSetMap[i].CharSetID = CharSetID then
968 +    begin
969 +      Result := FUserCharSetMap[i].CharSetName;
970 +      Exit;
971 +    end;
972 + end;
973 +
974 + function TFBAttachment.CharSetID2CodePage(CharSetID: integer;
975 +  var CodePage: TSystemCodePage): boolean;
976 + var i: integer;
977 + begin
978 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
979 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
980 +  if Result then
981 +    begin
982 +      CodePage := CharSetMap[CharSetID].CodePage;
983 +      Result := true;
984 +      Exit;
985 +    end;
986 +
987 +  for i := 0 to Length(FUserCharSetMap) - 1 do
988 +    if FUserCharSetMap[i].CharSetID = CharSetID then
989 +    begin
990 +      CodePage := FUserCharSetMap[i].CodePage;
991 +      Result := true;
992 +      Exit;
993 +    end;
994 + end;
995 +
996 + function TFBAttachment.CodePage2CharSetID(CodePage: TSystemCodePage;
997 +  var CharSetID: integer): boolean;
998 + var i: integer;
999 + begin
1000 +  Result := false;
1001 +  for i := Low(CharSetMap) to High(CharSetMap) do
1002 +    if (CharSetMap[i].AllowReverseLookup) and (CharSetMap[i].CodePage = CodePage) then
1003 +    begin
1004 +      CharSetID := CharSetMap[i].CharSetID;
1005 +      Result := true;
1006 +      Exit;
1007 +    end;
1008 +
1009 +  for i := 0 to Length(FUserCharSetMap) - 1 do
1010 +    if (FUserCharSetMap[i].AllowReverseLookup) and (FUserCharSetMap[i].CodePage = CodePage) then
1011 +    begin
1012 +      CharSetID := FUserCharSetMap[i].CharSetID;
1013 +      Result := true;
1014 +      Exit;
1015 +    end;
1016 + end;
1017 +
1018 + function TFBAttachment.CharSetName2CharSetID(CharSetName: AnsiString;
1019 +  var CharSetID: integer): boolean;
1020 + var i: integer;
1021 + begin
1022 +  Result := false;
1023 +  for i := Low(CharSetMap) to High(CharSetMap) do
1024 +    if AnsiCompareText(CharSetMap[i].CharSetName, CharSetName) = 0 then
1025 +    begin
1026 +      CharSetID := CharSetMap[i].CharSetID;
1027 +      Result := true;
1028 +      Exit;
1029 +    end;
1030 +
1031 +    for i := 0 to Length(FUserCharSetMap) - 1 do
1032 +      if AnsiCompareText(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
1033 +      begin
1034 +        CharSetID := FUserCharSetMap[i].CharSetID;
1035 +        Result := true;
1036 +        Exit;
1037 +      end;
1038 + end;
1039 +
1040 + function TFBAttachment.CharSetWidth(CharSetID: integer; var Width: integer
1041 +  ): boolean;
1042 + var i: integer;
1043 + begin
1044 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
1045 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
1046 +  if Result then
1047 +    begin
1048 +      Width := CharSetMap[CharSetID].CharSetWidth;
1049 +      Result := true;
1050 +      Exit;
1051 +    end;
1052 +
1053 +  for i := 0 to Length(FUserCharSetMap) - 1 do
1054 +    if FUserCharSetMap[i].CharSetID = CharSetID then
1055 +    begin
1056 +      Width := FUserCharSetMap[i].CharSetWidth;
1057 +      Result := true;
1058 +      Exit;
1059 +    end;
1060 + end;
1061 +
1062 + const
1063 +  sqlLookupCharSet = 'Select RDB$CHARACTER_SET_ID, RDB$BYTES_PER_CHARACTER From RDB$CHARACTER_SETS '+
1064 +                     'Where RDB$SYSTEM_FLAG = 0 and RDB$CHARACTER_SET_NAME = UPPER(?)';
1065 +
1066 + procedure TFBAttachment.RegisterCharSet(CharSetName: AnsiString;
1067 +  CodePage: TSystemCodePage; AllowReverseLookup: boolean; out CharSetID: integer
1068 +  );
1069 + var CharSets: IResultSet;
1070 +    idx: integer;
1071 + begin
1072 +  if CharSetName2CharSetID(CharSetName,CharSetID) then
1073 +    IBError(ibxeCharacterSetExists,[CharSetName]);
1074 +
1075 +  CharSets := OpenCursorAtStart(sqlLookupCharSet,[CharSetName]);
1076 +  if CharSets.IsEof then
1077 +    IBError(ibxeUnknownUserCharSet,[CharSetName]);
1078 +
1079 +  idx := Length(FUserCharSetMap);
1080 +  SetLength(FUserCharSetMap,idx+1);
1081 +  FUserCharSetMap[idx].AllowReverseLookup := AllowReverseLookup;
1082 +  FUserCharSetMap[idx].CharSetID := CharSets[0].AsInteger;
1083 +  FUserCharSetMap[idx].CharSetName := AnsiUpperCase(CharSetName);
1084 +  FUserCharSetMap[idx].CharSetWidth := CharSets[1].AsInteger;
1085 +  FUserCharSetMap[idx].CodePage := CodePage;
1086 +  CharSetID := CharSets[0].AsInteger;
1087 + end;
1088 +
1089 + function TFBAttachment.GetTimeZoneServices: ITimeZoneServices;
1090 + begin
1091 +  IBError(ibxeNotSupported,[]);
1092 + end;
1093 +
1094 + function TFBAttachment.HasTimeZoneSupport: boolean;
1095 + begin
1096 +  Result := false;
1097 + end;
1098 +
1099 + { TDPBItem }
1100 +
1101 + function TDPBItem.getParamTypeName: AnsiString;
1102 + begin
1103 +  Result := DPBPrefix + DPBConstantNames[getParamType];
1104 + end;
1105 +
1106 + { TDPB }
1107 +
1108 + constructor TDPB.Create(api: TFBClientAPI);
1109 + begin
1110 +  inherited Create(api);
1111 +  FDataLength := 1;
1112 +  FBuffer^ := isc_dpb_version1;
1113 + end;
1114 +
1115 + function TDPB.GetParamTypeName(ParamType: byte): Ansistring;
1116 + begin
1117 +  if ParamType <= isc_dpb_last_dpb_constant then
1118 +    Result := DPBConstantNames[ParamType]
1119 +  else
1120 +    Result := '';
1121 + end;
1122 +
1123 + {$IFNDEF FPC}
1124 + function TDPB.GetDPBParamTypeName(ParamType: byte): Ansistring;
1125 + begin
1126 +  Result := GetParamTypeName(ParamType);
1127 + end;
1128 + {$ENDIF}
1129 +
1130 + function TDPB.LookupItemType(ParamTypeName: AnsiString): byte;
1131 + var i: byte;
1132 + begin
1133 +  Result := 0;
1134 +  ParamTypeName := LowerCase(ParamTypeName);
1135 +  if (Pos(DPBPrefix, ParamTypeName) = 1) then
1136 +    Delete(ParamTypeName, 1, Length(DPBPrefix));
1137 +
1138 +  for i := 1 to isc_dpb_last_dpb_constant do
1139 +    if (ParamTypeName = DPBConstantNames[i]) then
1140 +    begin
1141 +      Result := i;
1142 +      break;
1143 +    end;
1144 + end;
1145 +
1146   end.
1147  

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