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root/public/ibx/branches/journaling/fbintf/client/FBAttachment.pas
Revision: 362
Committed: Tue Dec 7 13:27:39 2021 UTC (3 years ago) by tony
Content type: text/x-pascal
File size: 42450 byte(s)
Log Message: 
initiate test release

File Contents

# User Rev Content
1 tony 45 (*
2     * Firebird Interface (fbintf). The fbintf components provide a set of
3     * Pascal language bindings for the Firebird API.
4     *
5     * The contents of this file are subject to the Initial Developer's
6     * Public License Version 1.0 (the "License"); you may not use this
7     * file except in compliance with the License. You may obtain a copy
8     * of the License here:
9     *
10     * http://www.firebirdsql.org/index.php?op=doc&id=idpl
11     *
12     * Software distributed under the License is distributed on an "AS
13     * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
14     * implied. See the License for the specific language governing rights
15     * and limitations under the License.
16     *
17     * The Initial Developer of the Original Code is Tony Whyman.
18     *
19     * The Original Code is (C) 2016 Tony Whyman, MWA Software
20     * (http://www.mwasoftware.co.uk).
21     *
22     * All Rights Reserved.
23     *
24     * Contributor(s): ______________________________________.
25     *
26     *)
27     unit FBAttachment;
28 tony 56 {$IFDEF MSWINDOWS}
29     {$DEFINE WINDOWS}
30     {$ENDIF}
31 tony 45
32     {$IFDEF FPC}
33 tony 56 {$mode delphi}
34 tony 45 {$interfaces COM}
35 tony 118 {$define HASREQEX}
36 tony 45 {$ENDIF}
37    
38     interface
39    
40     uses
41 tony 263 Classes, SysUtils, {$IFDEF WINDOWS} windows, {$ENDIF} IB, FBParamBlock,
42     FBActivityMonitor, FBClientAPI;
43 tony 45
44 tony 345 const
45     DefaultMaxInlineBlobLimit = 8192;
46    
47 tony 45 type
48 tony 60 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 tony 45
56     { TFBAttachment }
57    
58     TFBAttachment = class(TActivityHandler)
59     private
60     FDPB: IDPB;
61     FFirebirdAPI: IFirebirdAPI;
62 tony 117 FODSMajorVersion: integer;
63     FODSMinorVersion: integer;
64 tony 60 FUserCharSetMap: array of TCharSetMap;
65 tony 209 FSecDatabase: AnsiString;
66 tony 345 FInlineBlobLimit: integer;
67 tony 45 protected
68 tony 56 FDatabaseName: AnsiString;
69 tony 45 FRaiseExceptionOnConnectError: boolean;
70     FSQLDialect: integer;
71     FHasDefaultCharSet: boolean;
72     FCharSetID: integer;
73     FCodePage: TSystemCodePage;
74 tony 117 FRemoteProtocol: AnsiString;
75 tony 143 FAuthMethod: AnsiString;
76 tony 263 constructor Create(api: TFBClientAPI; DatabaseName: AnsiString; DPB: IDPB;
77 tony 45 RaiseExceptionOnConnectError: boolean);
78     procedure CheckHandle; virtual; abstract;
79 tony 56 function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
80 tony 117 procedure GetODSAndConnectionInfo;
81 tony 143 function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
82 tony 117 function IsConnected: boolean; virtual; abstract;
83 tony 45 procedure EndAllTransactions;
84 tony 117 procedure DPBFromCreateSQL(CreateSQL: AnsiString);
85 tony 45 procedure SetParameters(SQLParams: ISQLParams; params: array of const);
86 tony 315 procedure UseServerICUChanged; virtual;
87 tony 45 public
88     destructor Destroy; override;
89 tony 263 function getFirebirdAPI: IFirebirdAPI;
90 tony 45 function getDPB: IDPB;
91     function AllocateBPB: IBPB;
92 tony 143 function AllocateDIRB: IDIRB;
93 tony 45 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;
96 tony 56 procedure ExecImmediate(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer); overload; virtual; abstract;
97     procedure ExecImmediate(TPB: array of byte; sql: AnsiString; aSQLDialect: integer); overload;
98     procedure ExecImmediate(transaction: ITransaction; sql: AnsiString); overload;
99     procedure ExecImmediate(TPB: array of byte; sql: AnsiString); overload;
100     function ExecuteSQL(TPB: array of byte; sql: AnsiString; SQLDialect: integer; params: array of const): IResults; overload;
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;
105 tony 350 Scrollable: boolean=false): IResultSet; overload;
106     function OpenCursor(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
107 tony 45 params: array of const): IResultSet; overload;
108 tony 350 function OpenCursor(transaction: ITransaction; sql: AnsiString; Scrollable: boolean=false): IResultSet; overload;
109 tony 56 function OpenCursor(transaction: ITransaction; sql: AnsiString;
110 tony 45 params: array of const): IResultSet; overload;
111 tony 350 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 tony 56 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
116 tony 350 Scrollable: boolean=false): IResultSet; overload;
117     function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer;
118 tony 45 params: array of const): IResultSet; overload;
119 tony 350 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 tony 56 function OpenCursorAtStart(transaction: ITransaction; sql: AnsiString;
123 tony 45 params: array of const): IResultSet; overload;
124 tony 350 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 tony 56 function OpenCursorAtStart(sql: AnsiString;
130 tony 45 params: array of const): IResultSet; overload;
131 tony 350 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 tony 56 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
134 tony 270 aSQLDialect: integer; GenerateParamNames: boolean=false;
135 tony 350 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload; virtual; abstract;
136 tony 56 function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
137 tony 270 GenerateParamNames: boolean=false;
138 tony 350 CaseSensitiveParams: boolean = false; CursorName: AnsiString=''): IStatement; overload;
139 tony 45 function GetEventHandler(Events: TStrings): IEvents; overload; virtual; abstract;
140 tony 56 function GetEventHandler(Event: AnsiString): IEvents; overload;
141 tony 45
142     function GetSQLDialect: integer;
143 tony 291 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 tony 56 function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
146 tony 291 function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload;
147 tony 45 function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
148 tony 291 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 tony 45 property SQLDialect: integer read FSQLDialect;
154     property DPB: IDPB read FDPB;
155 tony 315 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 tony 345 function GetInlineBlobLimit: integer;
167     procedure SetInlineBlobLimit(limit: integer);
168     function HasBatchMode: boolean; virtual;
169 tony 315
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    
186     public
187     {Time Zone Support}
188     function GetTimeZoneServices: ITimeZoneServices; virtual;
189     function HasTimeZoneSupport: boolean; virtual;
190    
191 tony 45 end;
192    
193 tony 315 { 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 tony 345 function GetParamTypeName(ParamType: byte): Ansistring;
208     {$IFDEF FPC}
209     function IDPB.GetDPBParamTypeName = GetParamTypeName;
210     {$ELSE}
211 tony 315 function GetDPBParamTypeName(ParamType: byte): Ansistring;
212 tony 345 {$ENDIF}
213 tony 315 end;
214    
215 tony 45 implementation
216    
217 tony 143 uses FBMessages, IBUtils, FBTransaction {$IFDEF HASREQEX}, RegExpr{$ENDIF};
218 tony 45
219 tony 60 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 tony 315 const
294     isc_dpb_last_dpb_constant = isc_dpb_decfloat_traps;
295 tony 60
296 tony 315 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 tony 60
394    
395 tony 315
396 tony 45 { TFBAttachment }
397    
398 tony 117 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 tony 143 FCharSetID := 0;
420     FRemoteProtocol := '';
421     FAuthMethod := 'Legacy_Auth';
422 tony 209 FSecDatabase := 'Default';
423 tony 143 if FODSMajorVersion > 11 then
424 tony 117 begin
425     Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
426 tony 209 'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL, MON$AUTH_METHOD, MON$SEC_DATABASE From MON$ATTACHMENTS, MON$DATABASE '+
427 tony 315 'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION ');
428 tony 143 ResultSet := Stmt.OpenCursor;
429     if ResultSet.FetchNext then
430     begin
431     FCharSetID := ResultSet[0].AsInteger;
432 tony 209 FRemoteProtocol := Trim(ResultSet[1].AsString);
433     FAuthMethod := Trim(ResultSet[2].AsString);
434     FSecDatabase := Trim(ResultSet[3].AsString);
435 tony 143 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 tony 117 '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 tony 209 FRemoteProtocol := Trim(ResultSet[1].AsString);
448 tony 117 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 tony 143 case GetProtocol(FDatabaseName) of
457     TCP: FRemoteProtocol := 'TCPv4';
458     Local: FRemoteProtocol := '';
459     NamedPipe: FRemoteProtocol := 'Netbui';
460     SPX: FRemoteProtocol := 'SPX'
461     end;
462 tony 117 end;
463     FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
464     end;
465    
466 tony 263 constructor TFBAttachment.Create(api: TFBClientAPI; DatabaseName: AnsiString;
467     DPB: IDPB; RaiseExceptionOnConnectError: boolean);
468 tony 45 begin
469     inherited Create;
470 tony 263 FFirebirdAPI := api.GetAPI; {Keep reference to interface}
471 tony 45 FSQLDialect := 3;
472     FDatabaseName := DatabaseName;
473     FDPB := DPB;
474 tony 60 SetLength(FUserCharSetMap,0);
475 tony 45 FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
476 tony 117 FODSMajorVersion := 0;
477     FODSMinorVersion := 0;
478 tony 345 FInlineBlobLimit := DefaultMaxInlineBlobLimit;
479 tony 45 end;
480    
481 tony 56 function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
482     var CreateParams: AnsiString;
483 tony 45 DPBItem: IDPBItem;
484     begin
485     CreateParams := '';
486    
487     if aDPB <> nil then
488     begin
489     DPBItem := aDPB.Find(isc_dpb_user_name);
490     if DPBItem <> nil then
491 tony 56 CreateParams := CreateParams + ' USER ''' + DPBItem.AsString + '''';
492 tony 45
493     DPBItem := aDPB.Find(isc_dpb_password);
494     if DPBItem <> nil then
495 tony 56 CreateParams := CreateParams + ' Password ''' + DPBItem.AsString + '''';
496 tony 45
497     DPBItem := aDPB.Find(isc_dpb_page_size);
498     if DPBItem <> nil then
499 tony 56 CreateParams := CreateParams + ' PAGE_SIZE ' + DPBItem.AsString;
500 tony 45
501     DPBItem := aDPB.Find(isc_dpb_lc_ctype);
502     if DPBItem <> nil then
503 tony 56 CreateParams := CreateParams + ' DEFAULT CHARACTER SET ' + DPBItem.AsString;
504 tony 45
505     DPBItem := aDPB.Find(isc_dpb_sql_dialect);
506     if DPBItem <> nil then
507     FSQLDialect := DPBItem.AsInteger;
508     end;
509    
510     Result := 'CREATE DATABASE ''' + DatabaseName + ''' ' + CreateParams; {do not localize}
511     end;
512    
513     procedure TFBAttachment.EndAllTransactions;
514     var i: integer;
515     intf: TInterfacedObject;
516     begin
517     for i := 0 to InterfaceCount - 1 do
518     begin
519     intf := GetInterface(i);
520     if (intf <> nil) and (intf is TFBTransaction) then
521     TFBTransaction(intf).DoDefaultTransactionEnd(true);
522     end;
523     end;
524    
525 tony 118 {$IFDEF HASREQEX}
526 tony 117 procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
527     var RegexObj: TRegExpr;
528     begin
529     FDPB := FFirebirdAPI.AllocateDPB;
530     RegexObj := TRegExpr.Create;
531     try
532     {extact database file spec}
533     RegexObj.ModifierG := false; {turn off greedy matches}
534     RegexObj.ModifierI := true; {case insensitive match}
535     RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
536     if RegexObj.Exec(CreateSQL) then
537     begin
538     DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
539     DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
540     end
541     else
542     begin
543     RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
544     if RegexObj.Exec(CreateSQL) then
545     DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
546     end;
547     finally
548     RegexObj.Free;
549     end;
550     if FCharSetID > 0 then
551     DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
552     DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
553     end;
554 tony 118 {$ELSE}
555     procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
556 tony 119 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 tony 118 end;
562     {$ENDIF}
563 tony 117
564 tony 45 procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
565     params: array of const);
566     var i: integer;
567     begin
568     if SQLParams.Count <> Length(params) then
569     IBError(ibxeInvalidParamCount,[SQLParams.Count,Length(params)]);
570    
571     for i := 0 to High(params) do
572     begin
573     case params[i].vtype of
574     vtinteger :
575     SQLParams[i].AsInteger := params[i].vinteger;
576 tony 70 vtInt64:
577     SQLParams[i].AsInt64 := params[i].VInt64^;
578     {$IF declared (vtQWord)}
579     vtQWord:
580     SQLParams[i].AsInt64 := params[i].VQWord^;
581     {$IFEND}
582 tony 45 vtboolean :
583     SQLParams[i].AsBoolean := params[i].vboolean;
584     vtchar :
585     SQLParams[i].AsString := params[i].vchar;
586     vtextended :
587     SQLParams[i].AsDouble := params[i].VExtended^;
588     vtCurrency:
589     SQLParams[i].AsDouble := params[i].VCurrency^;
590     vtString :
591 tony 70 SQLParams[i].AsString := strpas(PChar(params[i].VString));
592 tony 45 vtPChar :
593     SQLParams[i].AsString := strpas(params[i].VPChar);
594     vtAnsiString :
595 tony 70 SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
596 tony 45 vtVariant:
597     SQLParams[i].AsVariant := params[i].VVariant^;
598 tony 70 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 tony 45 else
607     IBError(ibxeInvalidVariantType,[nil]);
608     end;
609     end;
610     end;
611    
612 tony 315 procedure TFBAttachment.UseServerICUChanged;
613     begin
614     // Do nothing by default
615     end;
616    
617 tony 45 destructor TFBAttachment.Destroy;
618     begin
619     Disconnect(true);
620     inherited Destroy;
621     end;
622    
623 tony 263 function TFBAttachment.getFirebirdAPI: IFirebirdAPI;
624     begin
625     Result := FFirebirdAPI;
626     end;
627    
628 tony 45 function TFBAttachment.getDPB: IDPB;
629     begin
630     Result := FDPB;
631     end;
632    
633     function TFBAttachment.AllocateBPB: IBPB;
634     begin
635 tony 263 Result := TBPB.Create(FFirebirdAPI as TFBClientAPI);
636 tony 45 end;
637    
638 tony 143 function TFBAttachment.AllocateDIRB: IDIRB;
639     begin
640 tony 263 Result := TDIRB.Create(FFirebirdAPI as TFBClientAPI);
641 tony 143 end;
642    
643 tony 56 procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
644 tony 45 aSQLDialect: integer);
645     begin
646     ExecImmediate(StartTransaction(TPB,taCommit),sql,aSQLDialect);
647     end;
648    
649 tony 56 procedure TFBAttachment.ExecImmediate(transaction: ITransaction; sql: AnsiString);
650 tony 45 begin
651     ExecImmediate(transaction,sql,FSQLDialect);
652     end;
653    
654 tony 56 procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString);
655 tony 45 begin
656     ExecImmediate(StartTransaction(TPB,taCommit),sql,FSQLDialect);
657     end;
658    
659 tony 56 function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
660 tony 45 SQLDialect: integer; params: array of const): IResults;
661     begin
662 tony 117 Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
663 tony 45 end;
664    
665 tony 56 function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
666 tony 45 SQLDialect: integer; params: array of const): IResults;
667     begin
668     with Prepare(transaction,sql,SQLDialect) do
669     begin
670     SetParameters(SQLParams,params);
671     Result := Execute;
672     end;
673     end;
674    
675 tony 56 function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
676 tony 45 params: array of const): IResults;
677     begin
678     Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,params);
679     end;
680    
681 tony 56 function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
682 tony 45 params: array of const): IResults;
683     begin
684     with Prepare(transaction,sql,FSQLDialect) do
685     begin
686     SetParameters(SQLParams,params);
687     Result := Execute;
688     end;
689     end;
690    
691 tony 56 function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
692 tony 350 aSQLDialect: integer; Scrollable: boolean): IResultSet;
693 tony 45 begin
694 tony 350 Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,[]);
695 tony 45 end;
696    
697 tony 56 function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
698 tony 45 aSQLDialect: integer; params: array of const): IResultSet;
699 tony 350
700 tony 45 begin
701 tony 350 Result := OpenCursor(transaction,sql,FSQLDialect,false,params);
702 tony 45 end;
703    
704 tony 350 function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
705     Scrollable: boolean): IResultSet;
706 tony 45 begin
707 tony 350 Result := OpenCursor(transaction,sql,FSQLDialect,Scrollable,[]);
708 tony 45 end;
709    
710 tony 56 function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
711 tony 45 params: array of const): IResultSet;
712     begin
713 tony 350 Result := OpenCursor(transaction,sql,FSQLDialect,false,params);
714 tony 45 end;
715    
716 tony 350 function TFBAttachment.OpenCursor(transaction: ITransaction; sql: AnsiString;
717     Scrollable: boolean; params: array of const): IResultSet;
718     begin
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     CheckHandle;
728     Statement := Prepare(transaction,sql,aSQLDialect);
729     SetParameters(Statement.SQLParams,params);
730     Result := Statement.OpenCursor(Scrollable);
731     end;
732    
733 tony 45 function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
734 tony 350 sql: AnsiString; aSQLDialect: integer; Scrollable: boolean): IResultSet;
735 tony 45 begin
736 tony 350 Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,[]);
737 tony 45 Result.FetchNext;
738     end;
739    
740     function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
741 tony 56 sql: AnsiString; aSQLDialect: integer; params: array of const): IResultSet;
742 tony 45 begin
743     Result := OpenCursor(transaction,sql,aSQLDialect,params);
744     Result.FetchNext;
745     end;
746    
747 tony 350 function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
748     sql: AnsiString; aSQLDialect: integer; Scrollable: boolean;
749     params: array of const): IResultSet;
750 tony 45 begin
751 tony 350 Result := OpenCursor(transaction,sql,aSQLDialect,Scrollable,params);
752     Result.FetchNext;
753 tony 45 end;
754    
755     function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
756 tony 350 sql: AnsiString; Scrollable: boolean): IResultSet;
757     begin
758     Result := OpenCursorAtStart(transaction,sql,FSQLDialect,Scrollable,[]);
759     end;
760    
761     function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
762 tony 56 sql: AnsiString; params: array of const): IResultSet;
763 tony 45 begin
764     Result := OpenCursorAtStart(transaction,sql,FSQLDialect,params);
765     end;
766    
767 tony 350 function TFBAttachment.OpenCursorAtStart(transaction: ITransaction;
768     sql: AnsiString; Scrollable: boolean; params: array of const): IResultSet;
769 tony 45 begin
770 tony 350 Result := OpenCursorAtStart(transaction,sql,FSQLDialect,Scrollable,params);
771 tony 45 end;
772    
773 tony 350 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 tony 56 function TFBAttachment.OpenCursorAtStart(sql: AnsiString;
787 tony 45 params: array of const): IResultSet;
788     begin
789 tony 350 Result := OpenCursorAtStart(StartTransaction([isc_tpb_read,isc_tpb_wait,isc_tpb_concurrency],taCommit),sql,FSQLDialect,
790     false,params);
791 tony 45 end;
792    
793 tony 350 function TFBAttachment.Prepare(transaction: ITransaction; sql: AnsiString;
794     CursorName: AnsiString): IStatement;
795 tony 45 begin
796 tony 350 Result := Prepare(transaction,sql,FSQLDialect,CursorName);
797 tony 45 end;
798    
799     function TFBAttachment.PrepareWithNamedParameters(transaction: ITransaction;
800 tony 350 sql: AnsiString; GenerateParamNames: boolean; CaseSensitiveParams: boolean;
801     CursorName: AnsiString): IStatement;
802 tony 45 begin
803 tony 350 Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames,CaseSensitiveParams,CursorName);
804 tony 45 end;
805    
806 tony 56 function TFBAttachment.GetEventHandler(Event: AnsiString): IEvents;
807 tony 45 var S: TStringList;
808     begin
809     S := TStringList.Create;
810     try
811     S.Add(Event);
812     Result := GetEventHandler(S);
813     finally
814     S.Free;
815     end;
816     end;
817    
818     function TFBAttachment.GetSQLDialect: integer;
819     begin
820     Result := FSQLDialect;
821     end;
822    
823 tony 291 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 tony 45 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 tony 291 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 tony 143 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 tony 117 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 tony 143 function TFBAttachment.GetAuthenticationMethod: AnsiString;
903     begin
904     Result := FAuthMethod;
905     end;
906    
907 tony 209 function TFBAttachment.GetSecurityDatabase: AnsiString;
908     begin
909     Result := FSecDatabase;
910     end;
911    
912 tony 117 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 tony 315 function TFBAttachment.HasDecFloatSupport: boolean;
923     begin
924     Result := false;
925     end;
926    
927 tony 345 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 tony 109 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 tony 60 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 tony 233 if AnsiCompareText(CharSetMap[i].CharSetName, CharSetName) = 0 then
1025 tony 60 begin
1026     CharSetID := CharSetMap[i].CharSetID;
1027     Result := true;
1028     Exit;
1029     end;
1030    
1031     for i := 0 to Length(FUserCharSetMap) - 1 do
1032 tony 233 if AnsiCompareText(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
1033 tony 60 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 tony 315 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 tony 345 function TDPB.GetParamTypeName(ParamType: byte): Ansistring;
1116 tony 315 begin
1117     if ParamType <= isc_dpb_last_dpb_constant then
1118     Result := DPBConstantNames[ParamType]
1119     else
1120     Result := '';
1121     end;
1122    
1123 tony 345 {$IFNDEF FPC}
1124     function TDPB.GetDPBParamTypeName(ParamType: byte): Ansistring;
1125     begin
1126     Result := GetParamTypeName(ParamType);
1127     end;
1128     {$ENDIF}
1129    
1130 tony 315 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 tony 45 end.
1147