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root/public/ibx/trunk/fbintf/client/FBAttachment.pas
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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 315 by tony, Thu Feb 25 11:56:36 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   type
45 +  TCharsetMap = record
46 +    CharsetID: integer;
47 +    CharSetName: AnsiString;
48 +    CharSetWidth: integer;
49 +    CodePage: TSystemCodePage;
50 +    AllowReverseLookup: boolean; {used to ensure that lookup of CP_UTF* does not return UNICODE_FSS}
51 +  end;
52  
53    { TFBAttachment }
54  
# Line 47 | Line 56 | type
56    private
57      FDPB: IDPB;
58      FFirebirdAPI: IFirebirdAPI;
59 +    FODSMajorVersion: integer;
60 +    FODSMinorVersion: integer;
61 +    FUserCharSetMap: array of TCharSetMap;
62 +    FSecDatabase: AnsiString;
63    protected
64      FDatabaseName: AnsiString;
65      FRaiseExceptionOnConnectError: boolean;
# Line 54 | Line 67 | type
67      FHasDefaultCharSet: boolean;
68      FCharSetID: integer;
69      FCodePage: TSystemCodePage;
70 <    constructor Create(DatabaseName: AnsiString; DPB: IDPB;
70 >    FRemoteProtocol: AnsiString;
71 >    FAuthMethod: AnsiString;
72 >    constructor Create(api: TFBClientAPI; DatabaseName: AnsiString; DPB: IDPB;
73        RaiseExceptionOnConnectError: boolean);
74      procedure CheckHandle; virtual; abstract;
75      function GenerateCreateDatabaseSQL(DatabaseName: AnsiString; aDPB: IDPB): AnsiString;
76 +    procedure GetODSAndConnectionInfo;
77 +    function GetDBInfo(ReqBuffer: PByte; ReqBufLen: integer): IDBInformation; virtual; abstract;
78 +    function IsConnected: boolean; virtual; abstract;
79      procedure EndAllTransactions;
80 +    procedure DPBFromCreateSQL(CreateSQL: AnsiString);
81      procedure SetParameters(SQLParams: ISQLParams; params: array of const);
82 +    procedure UseServerICUChanged; virtual;
83    public
84      destructor Destroy; override;
85 +    function getFirebirdAPI: IFirebirdAPI;
86      function getDPB: IDPB;
87      function AllocateBPB: IBPB;
88 +    function AllocateDIRB: IDIRB;
89      function StartTransaction(TPB: array of byte; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
90      function StartTransaction(TPB: ITPB; DefaultCompletion: TTransactionCompletion): ITransaction; overload; virtual; abstract;
91      procedure Disconnect(Force: boolean=false); virtual; abstract;
# Line 93 | Line 115 | type
115      function Prepare(transaction: ITransaction; sql: AnsiString; aSQLDialect: integer): IStatement; overload; virtual; abstract;
116      function Prepare(transaction: ITransaction; sql: AnsiString): IStatement; overload;
117      function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
118 <                       aSQLDialect: integer; GenerateParamNames: boolean=false): IStatement; overload; virtual; abstract;
118 >                       aSQLDialect: integer; GenerateParamNames: boolean=false;
119 >                       CaseSensitiveParams: boolean = false): IStatement; overload; virtual; abstract;
120      function PrepareWithNamedParameters(transaction: ITransaction; sql: AnsiString;
121 <                       GenerateParamNames: boolean=false): IStatement; overload;
121 >                       GenerateParamNames: boolean=false;
122 >                       CaseSensitiveParams: boolean = false): IStatement; overload;
123      function GetEventHandler(Events: TStrings): IEvents; overload; virtual; abstract;
124      function GetEventHandler(Event: AnsiString): IEvents; overload;
125  
126      function GetSQLDialect: integer;
127 +    function CreateBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BPB: IBPB=nil): IBlob; overload;
128 +    function CreateBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
129      function OpenBlob(transaction: ITransaction; BlobMetaData: IBlobMetaData; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload; virtual; abstract;
130 +    function OpenBlob(transaction: ITransaction; RelationName, ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB=nil): IBlob; overload;
131      function OpenBlob(transaction: ITransaction; Field: ISQLData; BPB: IBPB=nil): IBlob; overload;
132 +    function CreateArray(transaction: ITransaction; RelationName, ColumnName: AnsiString
133 +      ): IArray; overload;
134 +    function CreateArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData): IArray; overload; virtual; abstract;
135 +    function OpenArray(transaction: ITransaction; RelationName, ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray; overload;
136 +    function OpenArray(transaction: ITransaction; ArrayMetaData: IArrayMetaData; ArrayID: TISC_QUAD): IArray; overload; virtual; abstract;
137      property SQLDialect: integer read FSQLDialect;
138 <    property HasDefaultCharSet: boolean read FHasDefaultCharSet;
138 >    property DPB: IDPB read FDPB;
139 >  public
140 >    function GetDBInformation(Requests: array of byte): IDBInformation; overload;
141 >    function GetDBInformation(Request: byte): IDBInformation; overload;
142 >    function GetDBInformation(Requests: IDIRB): IDBInformation; overload;
143 >    function GetConnectString: AnsiString;
144 >    function GetRemoteProtocol: AnsiString;
145 >    function GetAuthenticationMethod: AnsiString;
146 >    function GetSecurityDatabase: AnsiString;
147 >    function GetODSMajorVersion: integer;
148 >    function GetODSMinorVersion: integer;
149 >    function HasDecFloatSupport: boolean; virtual;
150 >
151 >  public
152 >    {Character Sets}
153 >    function HasDefaultCharSet: boolean;
154 >    function GetDefaultCharSetID: integer;
155 >    function GetCharsetName(CharSetID: integer): AnsiString;
156 >    function CharSetID2CodePage(CharSetID: integer; var CodePage: TSystemCodePage): boolean;
157 >    function CodePage2CharSetID(CodePage: TSystemCodePage; var CharSetID: integer): boolean;
158 >    function CharSetName2CharSetID(CharSetName: AnsiString; var CharSetID: integer): boolean;
159 >    function CharSetWidth(CharSetID: integer; var Width: integer): boolean;
160 >    procedure RegisterCharSet(CharSetName: AnsiString; CodePage: TSystemCodePage;
161 >      AllowReverseLookup:boolean; out CharSetID: integer);
162 >    function GetBlobMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IBlobMetaData; virtual; abstract;
163 >    function GetArrayMetaData(Transaction: ITransaction; tableName, columnName: AnsiString): IArrayMetaData; virtual; abstract;
164      property CharSetID: integer read FCharSetID;
165      property CodePage: TSystemCodePage read FCodePage;
166 <    property DPB: IDPB read FDPB;
166 >
167 >  public
168 >    {Time Zone Support}
169 >    function GetTimeZoneServices: ITimeZoneServices; virtual;
170 >    function HasTimeZoneSupport: boolean; virtual;
171 >
172 >  end;
173 >
174 >  { TDPBItem }
175 >
176 >  TDPBItem = class(TParamBlockItem,IDPBItem)
177 >  public
178 >   function getParamTypeName: AnsiString; override;
179 >  end;
180 >
181 >  { TDPB }
182 >
183 >  TDPB = class (TCustomParamBlock<TDPBItem,IDPBItem>, IDPB)
184 >  protected
185 >   function LookupItemType(ParamTypeName: AnsiString): byte; override;
186 >  public
187 >    constructor Create(api: TFBClientAPI);
188 >    function GetDPBParamTypeName(ParamType: byte): Ansistring;
189    end;
190  
191   implementation
192  
193 < uses FBMessages, FBTransaction;
193 > uses FBMessages, IBUtils, FBTransaction {$IFDEF HASREQEX}, RegExpr{$ENDIF};
194 >
195 > const
196 >  CharSetMap: array [0..69] of TCharsetMap = (
197 >  (CharsetID: 0; CharSetName: 'NONE'; CharSetWidth: 1; CodePage: CP_ACP; AllowReverseLookup: true),
198 >  (CharsetID: 1; CharSetName: 'OCTETS'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
199 >  (CharsetID: 2; CharSetName: 'ASCII'; CharSetWidth: 1; CodePage: CP_ASCII; AllowReverseLookup: true),
200 >  (CharsetID: 3; CharSetName: 'UNICODE_FSS'; CharSetWidth: 3; CodePage: CP_UTF8; AllowReverseLookup: false),
201 >  (CharsetID: 4; CharSetName: 'UTF8'; CharSetWidth: 4; CodePage: CP_UTF8; AllowReverseLookup: true),
202 >  (CharsetID: 5; CharSetName: 'SJIS_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
203 >  (CharsetID: 6; CharSetName: 'EUCJ_0208'; CharSetWidth: 2; CodePage: 20932; AllowReverseLookup: true),
204 >  (CharsetID: 7; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
205 >  (CharsetID: 8; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
206 >  (CharsetID: 9; CharSetName: 'DOS737'; CharSetWidth: 1; CodePage: 737; AllowReverseLookup: true),
207 >  (CharsetID: 10; CharSetName: 'DOS437'; CharSetWidth: 1; CodePage: 437; AllowReverseLookup: true),
208 >  (CharsetID: 11; CharSetName: 'DOS850'; CharSetWidth: 1; CodePage: 850; AllowReverseLookup: true),
209 >  (CharsetID: 12; CharSetName: 'DOS865'; CharSetWidth: 1; CodePage: 865; AllowReverseLookup: true),
210 >  (CharsetID: 13; CharSetName: 'DOS860'; CharSetWidth: 1; CodePage: 860; AllowReverseLookup: true),
211 >  (CharsetID: 14; CharSetName: 'DOS863'; CharSetWidth: 1; CodePage: 863; AllowReverseLookup: true),
212 >  (CharsetID: 15; CharSetName: 'DOS775'; CharSetWidth: 1; CodePage: 775; AllowReverseLookup: true),
213 >  (CharsetID: 16; CharSetName: 'DOS858'; CharSetWidth: 1; CodePage: 858; AllowReverseLookup: true),
214 >  (CharsetID: 17; CharSetName: 'DOS862'; CharSetWidth: 1; CodePage: 862; AllowReverseLookup: true),
215 >  (CharsetID: 18; CharSetName: 'DOS864'; CharSetWidth: 1; CodePage: 864; AllowReverseLookup: true),
216 >  (CharsetID: 19; CharSetName: 'NEXT'; CharSetWidth: 1; CodePage: CP_NONE; AllowReverseLookup: true),
217 >  (CharsetID: 20; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: true),
218 >  (CharsetID: 21; CharSetName: 'ISO8859_1'; CharSetWidth: 1; CodePage: 28591; AllowReverseLookup: true),
219 >  (CharsetID: 22; CharSetName: 'ISO8859_2'; CharSetWidth: 1; CodePage: 28592; AllowReverseLookup: true),
220 >  (CharsetID: 23; CharSetName: 'ISO8859_3'; CharSetWidth: 1; CodePage: 28593; AllowReverseLookup: true),
221 >  (CharsetID: 24; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
222 >  (CharsetID: 25; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
223 >  (CharsetID: 26; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
224 >  (CharsetID: 27; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
225 >  (CharsetID: 28; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
226 >  (CharsetID: 29; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
227 >  (CharsetID: 30; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
228 >  (CharsetID: 31; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
229 >  (CharsetID: 32; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
230 >  (CharsetID: 33; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
231 >  (CharsetID: 34; CharSetName: 'ISO8859_4'; CharSetWidth: 1; CodePage: 28594; AllowReverseLookup: true),
232 >  (CharsetID: 35; CharSetName: 'ISO8859_5'; CharSetWidth: 1; CodePage: 28595; AllowReverseLookup: true),
233 >  (CharsetID: 36; CharSetName: 'ISO8859_6'; CharSetWidth: 1; CodePage: 28596; AllowReverseLookup: true),
234 >  (CharsetID: 37; CharSetName: 'ISO8859_7'; CharSetWidth: 1; CodePage: 28597; AllowReverseLookup: true),
235 >  (CharsetID: 38; CharSetName: 'ISO8859_8'; CharSetWidth: 1; CodePage: 28598; AllowReverseLookup: true),
236 >  (CharsetID: 39; CharSetName: 'ISO8859_9'; CharSetWidth: 1; CodePage: 28599; AllowReverseLookup: true),
237 >  (CharsetID: 40; CharSetName: 'ISO8859_13'; CharSetWidth: 1; CodePage: 28603; AllowReverseLookup: true),
238 >  (CharsetID: 41; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
239 >  (CharsetID: 42; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
240 >  (CharsetID: 43; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
241 >  (CharsetID: 44; CharSetName: 'KSC_5601'; CharSetWidth: 2; CodePage: 949; AllowReverseLookup: true),
242 >  (CharsetID: 45; CharSetName: 'DOS852'; CharSetWidth: 1; CodePage: 852; AllowReverseLookup: true),
243 >  (CharsetID: 46; CharSetName: 'DOS857'; CharSetWidth: 1; CodePage: 857; AllowReverseLookup: true),
244 >  (CharsetID: 47; CharSetName: 'DOS861'; CharSetWidth: 1; CodePage: 861; AllowReverseLookup: true),
245 >  (CharsetID: 48; CharSetName: 'DOS866'; CharSetWidth: 1; CodePage: 866; AllowReverseLookup: true),
246 >  (CharsetID: 49; CharSetName: 'DOS869'; CharSetWidth: 1; CodePage: 869; AllowReverseLookup: true),
247 >  (CharsetID: 50; CharSetName: 'CYRL'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
248 >  (CharsetID: 51; CharSetName: 'WIN1250'; CharSetWidth: 1; CodePage: 1250; AllowReverseLookup: true),
249 >  (CharsetID: 52; CharSetName: 'WIN1251'; CharSetWidth: 1; CodePage: 1251; AllowReverseLookup: true),
250 >  (CharsetID: 53; CharSetName: 'WIN1252'; CharSetWidth: 1; CodePage: 1252; AllowReverseLookup: true),
251 >  (CharsetID: 54; CharSetName: 'WIN1253'; CharSetWidth: 1; CodePage: 1253; AllowReverseLookup: true),
252 >  (CharsetID: 55; CharSetName: 'WIN1254'; CharSetWidth: 1; CodePage: 1254; AllowReverseLookup: true),
253 >  (CharsetID: 56; CharSetName: 'BIG_5'; CharSetWidth: 2; CodePage: 950; AllowReverseLookup: true),
254 >  (CharsetID: 57; CharSetName: 'GB_2312'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
255 >  (CharsetID: 58; CharSetName: 'WIN1255'; CharSetWidth: 1; CodePage: 1255; AllowReverseLookup: true),
256 >  (CharsetID: 59; CharSetName: 'WIN1256'; CharSetWidth: 1; CodePage: 1256; AllowReverseLookup: true),
257 >  (CharsetID: 60; CharSetName: 'WIN1257'; CharSetWidth: 1; CodePage: 1257; AllowReverseLookup: true),
258 >  (CharsetID: 61; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
259 >  (CharsetID: 62; CharSetName: 'Unknown'; CharSetWidth: 0; CodePage: CP_NONE; AllowReverseLookup: false),
260 >  (CharsetID: 63; CharSetName: 'KOI8R'; CharSetWidth: 1; CodePage: 20866; AllowReverseLookup: true),
261 >  (CharsetID: 64; CharSetName: 'KOI8U'; CharSetWidth: 1; CodePage: 21866; AllowReverseLookup: true),
262 >  (CharsetID: 65; CharSetName: 'WIN1258'; CharSetWidth: 1; CodePage: 1258; AllowReverseLookup: true),
263 >  (CharsetID: 66; CharSetName: 'TIS620'; CharSetWidth: 1; CodePage: 874; AllowReverseLookup: true),
264 >  (CharsetID: 67; CharSetName: 'GBK'; CharSetWidth: 2; CodePage: 936; AllowReverseLookup: true),
265 >  (CharsetID: 68; CharSetName: 'CP943C'; CharSetWidth: 2; CodePage: 943; AllowReverseLookup: true),
266 >  (CharsetID: 69; CharSetName: 'GB18030'; CharSetWidth: 4; CodePage: 54936; AllowReverseLookup: true)
267 > );
268 >
269 > const
270 >  isc_dpb_last_dpb_constant = isc_dpb_decfloat_traps;
271 >
272 >  DPBConstantNames: array[1..isc_dpb_last_dpb_constant] of string = (
273 >    'cdd_pathname',
274 >    'allocation',
275 >    'journal',
276 >    'page_size',
277 >    'num_buffers',
278 >    'buffer_length',
279 >    'debug',
280 >    'garbage_collect',
281 >    'verify',
282 >    'sweep',
283 >    'enable_journal',
284 >    'disable_journal',
285 >    'dbkey_scope',
286 >    'number_of_users',
287 >    'trace',
288 >    'no_garbage_collect',
289 >    'damaged',
290 >    'license',
291 >    'sys_user_name',
292 >    'encrypt_key',
293 >    'activate_shadow',
294 >    'sweep_interval',
295 >    'delete_shadow',
296 >    'force_write',
297 >    'begin_log',
298 >    'quit_log',
299 >    'no_reserve',
300 >    'user_name',
301 >    'password',
302 >    'password_enc',
303 >    'sys_user_name_enc',
304 >    'interp',
305 >    'online_dump',
306 >    'old_file_size',
307 >    'old_num_files',
308 >    'old_file',
309 >    'old_start_page',
310 >    'old_start_seqno',
311 >    'old_start_file',
312 >    'drop_walfile',
313 >    'old_dump_id',
314 >    'wal_backup_dir',
315 >    'wal_chkptlen',
316 >    'wal_numbufs',
317 >    'wal_bufsize',
318 >    'wal_grp_cmt_wait',
319 >    'lc_messages',
320 >    'lc_ctype',
321 >    'cache_manager',
322 >    'shutdown',
323 >    'online',
324 >    'shutdown_delay',
325 >    'reserved',
326 >    'overwrite',
327 >    'sec_attach',
328 >    'disable_wal',
329 >    'connect_timeout',
330 >    'dummy_packet_interval',
331 >    'gbak_attach',
332 >    'sql_role_name',
333 >    'set_page_buffers',
334 >    'working_directory',
335 >    'sql_dialect',
336 >    'set_db_readonly',
337 >    'set_db_sql_dialect',
338 >    'gfix_attach',
339 >    'gstat_attach',
340 >    'set_db_charset',
341 >    'gsec_attach',
342 >    'address_path' ,
343 >    'process_id',
344 >    'no_db_triggers',
345 >    'trusted_auth',
346 >    'process_name',
347 >    'trusted_role',
348 >    'org_filename',
349 >    'utf8_ilename',
350 >    'ext_call_depth',
351 >    'auth_block',
352 >    'client_version',
353 >    'remote_protocol',
354 >    'host_name',
355 >    'os_user',
356 >    'specific_auth_data',
357 >    'auth_plugin_list',
358 >    'auth_plugin_name',
359 >    'config',
360 >    'nolinger',
361 >    'reset_icu',
362 >    'map_attach',
363 >    'session_time_zone',
364 >    'set_db_replica',
365 >    'set_bind',
366 >    'decfloat_round',
367 >    'decfloat_traps'
368 >    );
369 >
370 >
371  
372   { TFBAttachment }
373  
374 < constructor TFBAttachment.Create(DatabaseName: AnsiString; DPB: IDPB;
375 <  RaiseExceptionOnConnectError: boolean);
374 > procedure TFBAttachment.GetODSAndConnectionInfo;
375 > var DBInfo: IDBInformation;
376 >    i: integer;
377 >    Stmt: IStatement;
378 >    ResultSet: IResultSet;
379 >    Param: IDPBItem;
380 > begin
381 >  if not IsConnected then Exit;
382 >  DBInfo := GetDBInformation([isc_info_db_id,isc_info_ods_version,isc_info_ods_minor_version,
383 >                               isc_info_db_SQL_Dialect]);
384 >  for i := 0 to DBInfo.GetCount - 1 do
385 >    with DBInfo[i] do
386 >      case getItemType of
387 >      isc_info_ods_minor_version:
388 >        FODSMinorVersion := getAsInteger;
389 >      isc_info_ods_version:
390 >        FODSMajorVersion := getAsInteger;
391 >      isc_info_db_SQL_Dialect:
392 >        FSQLDialect := getAsInteger;
393 >      end;
394 >
395 >  FCharSetID := 0;
396 >  FRemoteProtocol := '';
397 >  FAuthMethod := 'Legacy_Auth';
398 >  FSecDatabase := 'Default';
399 >  if FODSMajorVersion > 11 then
400 >  begin
401 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
402 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL, MON$AUTH_METHOD, MON$SEC_DATABASE From MON$ATTACHMENTS, MON$DATABASE '+
403 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION ');
404 >    ResultSet := Stmt.OpenCursor;
405 >    if ResultSet.FetchNext then
406 >    begin
407 >      FCharSetID := ResultSet[0].AsInteger;
408 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
409 >      FAuthMethod := Trim(ResultSet[2].AsString);
410 >      FSecDatabase := Trim(ResultSet[3].AsString);
411 >    end
412 >  end
413 >  else
414 >  if (FODSMajorVersion = 11) and (FODSMinorVersion >= 1) then
415 >  begin
416 >    Stmt := Prepare(StartTransaction([isc_tpb_read,isc_tpb_nowait,isc_tpb_concurrency],taCommit),
417 >                    'Select MON$CHARACTER_SET_ID, MON$REMOTE_PROTOCOL From MON$ATTACHMENTS '+
418 >                    'Where MON$ATTACHMENT_ID = CURRENT_CONNECTION');
419 >    ResultSet := Stmt.OpenCursor;
420 >    if ResultSet.FetchNext then
421 >    begin
422 >      FCharSetID := ResultSet[0].AsInteger;
423 >      FRemoteProtocol := Trim(ResultSet[1].AsString);
424 >    end
425 >  end
426 >  else
427 >  if DPB <> nil then
428 >  begin
429 >    Param :=  DPB.Find(isc_dpb_lc_ctype);
430 >    if (Param = nil) or not CharSetName2CharSetID(Param.AsString,FCharSetID) then
431 >      FCharSetID := 0;
432 >    case GetProtocol(FDatabaseName) of
433 >    TCP:       FRemoteProtocol := 'TCPv4';
434 >    Local:     FRemoteProtocol := '';
435 >    NamedPipe: FRemoteProtocol := 'Netbui';
436 >    SPX:       FRemoteProtocol := 'SPX'
437 >    end;
438 >  end;
439 >  FHasDefaultCharSet := CharSetID2CodePage(FCharSetID,FCodePage) and (FCharSetID > 1);
440 > end;
441 >
442 > constructor TFBAttachment.Create(api: TFBClientAPI; DatabaseName: AnsiString;
443 >  DPB: IDPB; RaiseExceptionOnConnectError: boolean);
444   begin
445    inherited Create;
446 <  FFirebirdAPI := FirebirdAPI; {Keep reference to interface}
446 >  FFirebirdAPI := api.GetAPI; {Keep reference to interface}
447    FSQLDialect := 3;
448    FDatabaseName := DatabaseName;
449    FDPB := DPB;
450 +  SetLength(FUserCharSetMap,0);
451    FRaiseExceptionOnConnectError := RaiseExceptionOnConnectError;
452 +  FODSMajorVersion := 0;
453 +  FODSMinorVersion := 0;
454   end;
455  
456   function TFBAttachment.GenerateCreateDatabaseSQL(DatabaseName: AnsiString;  aDPB: IDPB): AnsiString;
# Line 170 | Line 497 | begin
497    end;
498   end;
499  
500 + {$IFDEF HASREQEX}
501 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
502 + var RegexObj: TRegExpr;
503 + begin
504 +  FDPB := FFirebirdAPI.AllocateDPB;
505 +  RegexObj := TRegExpr.Create;
506 +  try
507 +    {extact database file spec}
508 +    RegexObj.ModifierG := false; {turn off greedy matches}
509 +    RegexObj.ModifierI := true; {case insensitive match}
510 +    RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +''.*'' +USER +''(.+)'' PASSWORD +''(.+)''';
511 +    if RegexObj.Exec(CreateSQL) then
512 +    begin
513 +      DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
514 +      DPB.Add(isc_dpb_password).AsString := system.copy(CreateSQL,RegexObj.MatchPos[3],RegexObj.MatchLen[3]);
515 +    end
516 +    else
517 +    begin
518 +      RegexObj.Expression := '^ *CREATE +(DATABASE|SCHEMA) +(''.*'') +USER +''(.+)''';
519 +      if RegexObj.Exec(CreateSQL) then
520 +        DPB.Add(isc_dpb_user_name).AsString := system.copy(CreateSQL,RegexObj.MatchPos[2],RegexObj.MatchLen[2]);
521 +    end;
522 +  finally
523 +    RegexObj.Free;
524 +  end;
525 +  if FCharSetID > 0 then
526 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
527 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
528 + end;
529 + {$ELSE}
530 + procedure TFBAttachment.DPBFromCreateSQL(CreateSQL: AnsiString);
531 + begin
532 +  FDPB := FFirebirdAPI.AllocateDPB;
533 +  if FCharSetID > 0 then
534 +    DPB.Add(isc_dpb_lc_ctype).AsString := GetCharSetName(FCharSetID);
535 +  DPB.Add(isc_dpb_set_db_SQL_dialect).setAsByte(FSQLDialect);
536 + end;
537 + {$ENDIF}
538 +
539   procedure TFBAttachment.SetParameters(SQLParams: ISQLParams;
540    params: array of const);
541   var i: integer;
# Line 182 | Line 548 | begin
548      case params[i].vtype of
549        vtinteger    :
550          SQLParams[i].AsInteger := params[i].vinteger;
551 +      vtInt64:
552 +        SQLParams[i].AsInt64 := params[i].VInt64^;
553 +      {$IF declared (vtQWord)}
554 +      vtQWord:
555 +        SQLParams[i].AsInt64 := params[i].VQWord^;
556 +      {$IFEND}
557        vtboolean    :
558          SQLParams[i].AsBoolean :=  params[i].vboolean;
559        vtchar       :
# Line 191 | Line 563 | begin
563        vtCurrency:
564          SQLParams[i].AsDouble := params[i].VCurrency^;
565        vtString     :
566 <        SQLParams[i].AsString := params[i].VString^;
566 >        SQLParams[i].AsString := strpas(PChar(params[i].VString));
567        vtPChar      :
568          SQLParams[i].AsString := strpas(params[i].VPChar);
569        vtAnsiString :
570 <        SQLParams[i].AsString := AnsiString(params[i].VAnsiString^);
570 >        SQLParams[i].AsString := strpas(PAnsiChar(params[i].VAnsiString));
571        vtVariant:
572          SQLParams[i].AsVariant := params[i].VVariant^;
573 +      vtWideChar:
574 +        SQLParams[i].AsString := UTF8Encode(WideCharLenToString(@params[i].VWideChar,1));
575 +      vtPWideChar:
576 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VPWideChar)));
577 +      vtWideString:
578 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VWideString)));
579 +      vtUnicodeString:
580 +        SQLParams[i].AsString := UTF8Encode(strpas(PWideChar(params[i].VUnicodeString)));
581      else
582          IBError(ibxeInvalidVariantType,[nil]);
583      end;
584    end;
585   end;
586  
587 + procedure TFBAttachment.UseServerICUChanged;
588 + begin
589 +  // Do nothing by default
590 + end;
591 +
592   destructor TFBAttachment.Destroy;
593   begin
594    Disconnect(true);
595    inherited Destroy;
596   end;
597  
598 + function TFBAttachment.getFirebirdAPI: IFirebirdAPI;
599 + begin
600 +  Result := FFirebirdAPI;
601 + end;
602 +
603   function TFBAttachment.getDPB: IDPB;
604   begin
605    Result := FDPB;
# Line 217 | Line 607 | end;
607  
608   function TFBAttachment.AllocateBPB: IBPB;
609   begin
610 <  Result := TBPB.Create;
610 >  Result := TBPB.Create(FFirebirdAPI as TFBClientAPI);
611 > end;
612 >
613 > function TFBAttachment.AllocateDIRB: IDIRB;
614 > begin
615 >  Result := TDIRB.Create(FFirebirdAPI as TFBClientAPI);
616   end;
617  
618   procedure TFBAttachment.ExecImmediate(TPB: array of byte; sql: AnsiString;
# Line 239 | Line 634 | end;
634   function TFBAttachment.ExecuteSQL(TPB: array of byte; sql: AnsiString;
635    SQLDialect: integer; params: array of const): IResults;
636   begin
637 <  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,FSQLDialect,params);
637 >  Result := ExecuteSQL(StartTransaction(TPB,taCommit),sql,SQLDialect,params);
638   end;
639  
640   function TFBAttachment.ExecuteSQL(transaction: ITransaction; sql: AnsiString;
# Line 340 | Line 735 | begin
735   end;
736  
737   function TFBAttachment.PrepareWithNamedParameters(transaction: ITransaction;
738 <  sql: AnsiString; GenerateParamNames: boolean): IStatement;
738 >  sql: AnsiString; GenerateParamNames: boolean; CaseSensitiveParams: boolean): IStatement;
739   begin
740 <  Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames);
740 >  Result := PrepareWithNamedParameters(transaction,sql,FSQLDialect,GenerateParamNames,CaseSensitiveParams);
741   end;
742  
743   function TFBAttachment.GetEventHandler(Event: AnsiString): IEvents;
# Line 362 | Line 757 | begin
757    Result := FSQLDialect;
758   end;
759  
760 + function TFBAttachment.CreateBlob(transaction: ITransaction; RelationName,
761 +  ColumnName: AnsiString; BPB: IBPB): IBlob;
762 + begin
763 +  Result := CreateBlob(transaction,GetBlobMetaData(Transaction,RelationName,ColumnName),BPB);
764 + end;
765 +
766 + function TFBAttachment.OpenBlob(transaction: ITransaction; RelationName,
767 +  ColumnName: AnsiString; BlobID: TISC_QUAD; BPB: IBPB): IBlob;
768 + begin
769 +  Result := OpenBlob(Transaction,
770 +                GetBlobMetaData(Transaction,RelationName,ColumnName),
771 +                BlobID,BPB);
772 + end;
773 +
774   function TFBAttachment.OpenBlob(transaction: ITransaction; Field: ISQLData;
775    BPB: IBPB): IBlob;
776   begin
777    Result := OpenBlob(Transaction,Field.GetBlobMetadata, Field.AsQuad,BPB);
778   end;
779  
780 + function TFBAttachment.CreateArray(transaction: ITransaction; RelationName,
781 +  ColumnName: AnsiString): IArray;
782 + begin
783 +  Result := CreateArray(transaction,GetArrayMetaData(transaction,RelationName,ColumnName));
784 + end;
785 +
786 + function TFBAttachment.OpenArray(transaction: ITransaction; RelationName,
787 +  ColumnName: AnsiString; ArrayID: TISC_QUAD): IArray;
788 + begin
789 +  Result := OpenArray(transaction,
790 +    GetArrayMetaData(transaction,RelationName,ColumnName),ArrayID);
791 + end;
792 +
793 + function TFBAttachment.GetDBInformation(Requests: array of byte
794 +  ): IDBInformation;
795 + var ReqBuffer: PByte;
796 +    i: integer;
797 + begin
798 +  CheckHandle;
799 +  if Length(Requests) = 1 then
800 +    Result := GetDBInformation(Requests[0])
801 +  else
802 +  begin
803 +    GetMem(ReqBuffer,Length(Requests));
804 +    try
805 +      for i := 0 to Length(Requests) - 1 do
806 +        ReqBuffer[i] := Requests[i];
807 +
808 +      Result := GetDBInfo(ReqBuffer,Length(Requests));
809 +
810 +    finally
811 +      FreeMem(ReqBuffer);
812 +    end;
813 +  end;
814 + end;
815 +
816 + function TFBAttachment.GetDBInformation(Request: byte): IDBInformation;
817 + begin
818 +  CheckHandle;
819 +  Result := GetDBInfo(@Request,1);
820 + end;
821 +
822 + function TFBAttachment.GetDBInformation(Requests: IDIRB): IDBInformation;
823 + begin
824 +  CheckHandle;
825 +  with Requests as TDIRB do
826 +    Result := GetDBInfo(getBuffer,getDataLength);
827 + end;
828 +
829 + function TFBAttachment.GetConnectString: AnsiString;
830 + begin
831 +  Result := FDatabaseName;
832 + end;
833 +
834 + function TFBAttachment.GetRemoteProtocol: AnsiString;
835 + begin
836 +  Result := FRemoteProtocol;
837 + end;
838 +
839 + function TFBAttachment.GetAuthenticationMethod: AnsiString;
840 + begin
841 +  Result := FAuthMethod;
842 + end;
843 +
844 + function TFBAttachment.GetSecurityDatabase: AnsiString;
845 + begin
846 +  Result := FSecDatabase;
847 + end;
848 +
849 + function TFBAttachment.GetODSMajorVersion: integer;
850 + begin
851 +  Result := FODSMajorVersion;
852 + end;
853 +
854 + function TFBAttachment.GetODSMinorVersion: integer;
855 + begin
856 +  Result := FODSMinorVersion;
857 + end;
858 +
859 + function TFBAttachment.HasDecFloatSupport: boolean;
860 + begin
861 +  Result := false;
862 + end;
863 +
864 + function TFBAttachment.HasDefaultCharSet: boolean;
865 + begin
866 +  Result := FHasDefaultCharSet
867 + end;
868 +
869 + function TFBAttachment.GetDefaultCharSetID: integer;
870 + begin
871 +  Result := FCharsetID;
872 + end;
873 +
874 + function TFBAttachment.GetCharsetName(CharSetID: integer): AnsiString;
875 + var i: integer;
876 + begin
877 +  Result := '';
878 +  if (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap)) and
879 +                                  (CharSetMap[CharSetID].CharSetID = CharSetID) then
880 +    begin
881 +      Result := CharSetMap[CharSetID].CharSetName;
882 +      Exit;
883 +    end;
884 +
885 +  for i := 0 to Length(FUserCharSetMap) - 1 do
886 +    if FUserCharSetMap[i].CharSetID = CharSetID then
887 +    begin
888 +      Result := FUserCharSetMap[i].CharSetName;
889 +      Exit;
890 +    end;
891 + end;
892 +
893 + function TFBAttachment.CharSetID2CodePage(CharSetID: integer;
894 +  var CodePage: TSystemCodePage): boolean;
895 + var i: integer;
896 + begin
897 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
898 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
899 +  if Result then
900 +    begin
901 +      CodePage := CharSetMap[CharSetID].CodePage;
902 +      Result := true;
903 +      Exit;
904 +    end;
905 +
906 +  for i := 0 to Length(FUserCharSetMap) - 1 do
907 +    if FUserCharSetMap[i].CharSetID = CharSetID then
908 +    begin
909 +      CodePage := FUserCharSetMap[i].CodePage;
910 +      Result := true;
911 +      Exit;
912 +    end;
913 + end;
914 +
915 + function TFBAttachment.CodePage2CharSetID(CodePage: TSystemCodePage;
916 +  var CharSetID: integer): boolean;
917 + var i: integer;
918 + begin
919 +  Result := false;
920 +  for i := Low(CharSetMap) to High(CharSetMap) do
921 +    if (CharSetMap[i].AllowReverseLookup) and (CharSetMap[i].CodePage = CodePage) then
922 +    begin
923 +      CharSetID := CharSetMap[i].CharSetID;
924 +      Result := true;
925 +      Exit;
926 +    end;
927 +
928 +  for i := 0 to Length(FUserCharSetMap) - 1 do
929 +    if (FUserCharSetMap[i].AllowReverseLookup) and (FUserCharSetMap[i].CodePage = CodePage) then
930 +    begin
931 +      CharSetID := FUserCharSetMap[i].CharSetID;
932 +      Result := true;
933 +      Exit;
934 +    end;
935 + end;
936 +
937 + function TFBAttachment.CharSetName2CharSetID(CharSetName: AnsiString;
938 +  var CharSetID: integer): boolean;
939 + var i: integer;
940 + begin
941 +  Result := false;
942 +  for i := Low(CharSetMap) to High(CharSetMap) do
943 +    if AnsiCompareText(CharSetMap[i].CharSetName, CharSetName) = 0 then
944 +    begin
945 +      CharSetID := CharSetMap[i].CharSetID;
946 +      Result := true;
947 +      Exit;
948 +    end;
949 +
950 +    for i := 0 to Length(FUserCharSetMap) - 1 do
951 +      if AnsiCompareText(FUserCharSetMap[i].CharSetName, CharSetName) = 0 then
952 +      begin
953 +        CharSetID := FUserCharSetMap[i].CharSetID;
954 +        Result := true;
955 +        Exit;
956 +      end;
957 + end;
958 +
959 + function TFBAttachment.CharSetWidth(CharSetID: integer; var Width: integer
960 +  ): boolean;
961 + var i: integer;
962 + begin
963 +  Result := (CharSetID >= Low(CharSetMap)) and (CharSetID <= High(CharSetMap))
964 +               and (CharSetMap[CharSetID].CharSetID = CharSetID);
965 +  if Result then
966 +    begin
967 +      Width := CharSetMap[CharSetID].CharSetWidth;
968 +      Result := true;
969 +      Exit;
970 +    end;
971 +
972 +  for i := 0 to Length(FUserCharSetMap) - 1 do
973 +    if FUserCharSetMap[i].CharSetID = CharSetID then
974 +    begin
975 +      Width := FUserCharSetMap[i].CharSetWidth;
976 +      Result := true;
977 +      Exit;
978 +    end;
979 + end;
980 +
981 + const
982 +  sqlLookupCharSet = 'Select RDB$CHARACTER_SET_ID, RDB$BYTES_PER_CHARACTER From RDB$CHARACTER_SETS '+
983 +                     'Where RDB$SYSTEM_FLAG = 0 and RDB$CHARACTER_SET_NAME = UPPER(?)';
984 +
985 + procedure TFBAttachment.RegisterCharSet(CharSetName: AnsiString;
986 +  CodePage: TSystemCodePage; AllowReverseLookup: boolean; out CharSetID: integer
987 +  );
988 + var CharSets: IResultSet;
989 +    idx: integer;
990 + begin
991 +  if CharSetName2CharSetID(CharSetName,CharSetID) then
992 +    IBError(ibxeCharacterSetExists,[CharSetName]);
993 +
994 +  CharSets := OpenCursorAtStart(sqlLookupCharSet,[CharSetName]);
995 +  if CharSets.IsEof then
996 +    IBError(ibxeUnknownUserCharSet,[CharSetName]);
997 +
998 +  idx := Length(FUserCharSetMap);
999 +  SetLength(FUserCharSetMap,idx+1);
1000 +  FUserCharSetMap[idx].AllowReverseLookup := AllowReverseLookup;
1001 +  FUserCharSetMap[idx].CharSetID := CharSets[0].AsInteger;
1002 +  FUserCharSetMap[idx].CharSetName := AnsiUpperCase(CharSetName);
1003 +  FUserCharSetMap[idx].CharSetWidth := CharSets[1].AsInteger;
1004 +  FUserCharSetMap[idx].CodePage := CodePage;
1005 +  CharSetID := CharSets[0].AsInteger;
1006 + end;
1007 +
1008 + function TFBAttachment.GetTimeZoneServices: ITimeZoneServices;
1009 + begin
1010 +  IBError(ibxeNotSupported,[]);
1011 + end;
1012 +
1013 + function TFBAttachment.HasTimeZoneSupport: boolean;
1014 + begin
1015 +  Result := false;
1016 + end;
1017 +
1018 + { TDPBItem }
1019 +
1020 + function TDPBItem.getParamTypeName: AnsiString;
1021 + begin
1022 +  Result := DPBPrefix + DPBConstantNames[getParamType];
1023 + end;
1024 +
1025 + { TDPB }
1026 +
1027 + constructor TDPB.Create(api: TFBClientAPI);
1028 + begin
1029 +  inherited Create(api);
1030 +  FDataLength := 1;
1031 +  FBuffer^ := isc_dpb_version1;
1032 + end;
1033 +
1034 + function TDPB.GetDPBParamTypeName(ParamType: byte): Ansistring;
1035 + begin
1036 +  if ParamType <= isc_dpb_last_dpb_constant then
1037 +    Result := DPBConstantNames[ParamType]
1038 +  else
1039 +    Result := '';
1040 + end;
1041 +
1042 + function TDPB.LookupItemType(ParamTypeName: AnsiString): byte;
1043 + var i: byte;
1044 + begin
1045 +  Result := 0;
1046 +  ParamTypeName := LowerCase(ParamTypeName);
1047 +  if (Pos(DPBPrefix, ParamTypeName) = 1) then
1048 +    Delete(ParamTypeName, 1, Length(DPBPrefix));
1049 +
1050 +  for i := 1 to isc_dpb_last_dpb_constant do
1051 +    if (ParamTypeName = DPBConstantNames[i]) then
1052 +    begin
1053 +      Result := i;
1054 +      break;
1055 +    end;
1056 + end;
1057 +
1058   end.
1059  

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