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root/public/ibx/branches/udr/client/FBSQLData.pas

Comparing ibx/trunk/fbintf/client/FBSQLData.pas (file contents):
Revision 287 by tony, Thu Apr 11 08:51:23 2019 UTC vs.
Revision 350 by tony, Wed Oct 20 14:58:56 2021 UTC

#	Line 80 | Line 80 | unit FBSQLData;
80		interface
81
82		uses
83	<	Classes, SysUtils, IBExternals, IBHeader, IB,  FBActivityMonitor, FBClientAPI;
83	>	Classes, SysUtils, IBExternals, {$IFDEF WINDOWS} Windows, {$ENDIF} IB,  FBActivityMonitor, FBClientAPI,
84	>	FmtBCD;
85
86		type
87
88	<	{ TSQLDataItem }
88	>	{The IExTimeZoneServices is only available in FB4 and onwards}
89	>
90	>	IExTimeZoneServices = interface(ITimeZoneServices)
91	>	['{789c2eeb-c4a7-4fed-837e-0cbdef775904}']
92	>	{encode/decode - used to encode/decode the wire protocol}
93	>	procedure EncodeTimestampTZ(timestamp: TDateTime; timezoneID: TFBTimeZoneID;
94	>	bufptr: PByte); overload;
95	>	procedure EncodeTimestampTZ(timestamp: TDateTime; timezone: AnsiString;
96	>	bufptr: PByte); overload;
97	>	procedure EncodeTimeTZ(time: TDateTime; timezoneID: TFBTimeZoneID; OnDate: TDateTime;
98	>	bufptr: PByte); overload;
99	>	procedure EncodeTimeTZ(time: TDateTime; timezone: AnsiString; OnDate: TDateTime;
100	>	bufptr: PByte); overload;
101	>	procedure DecodeTimestampTZ(bufptr: PByte; var timestamp: TDateTime;
102	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
103	>	procedure DecodeTimestampTZ(bufptr: PByte; var timestamp: TDateTime;
104	>	var dstOffset: smallint; var timezone: AnsiString); overload;
105	>	procedure DecodeTimestampTZEx(bufptr: PByte; var timestamp: TDateTime;
106	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
107	>	procedure DecodeTimestampTZEx(bufptr: PByte; var timestamp: TDateTime;
108	>	var dstOffset: smallint; var timezone: AnsiString); overload;
109	>	procedure DecodeTimeTZ(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
110	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
111	>	procedure DecodeTimeTZ(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
112	>	var dstOffset: smallint; var timezone: AnsiString); overload;
113	>	procedure DecodeTimeTZEx(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
114	>	var dstOffset: smallint; var timezoneID: TFBTimeZoneID); overload;
115	>	procedure DecodeTimeTZEx(bufptr: PByte; OnDate: TDateTime; var time: TDateTime;
116	>	var dstOffset: smallint; var timezone: AnsiString); overload;
117	>	end;
118	>
119	>	{ TSQLDataItem }
120
121		TSQLDataItem = class(TFBInterfacedObject)
122		private
123		FFirebirdClientAPI: TFBClientAPI;
124	+	FTimeZoneServices: IExTimeZoneServices;
125		function AdjustScale(Value: Int64; aScale: Integer): Double;
126		function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
127		function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
95	–	function GetTimestampFormatStr: AnsiString;
128		function GetDateFormatStr(IncludeTime: boolean): AnsiString;
129		function GetTimeFormatStr: AnsiString;
130	+	function GetTimestampFormatStr: AnsiString;
131		procedure SetAsInteger(AValue: Integer);
132	+	procedure InternalGetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
133	+	var aTimezone: AnsiString; var aTimeZoneID: TFBTimeZoneID);
134		protected
135		function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64;
136		function AdjustScaleFromDouble(Value: Double; aScale: Integer): Int64;
137		procedure CheckActive; virtual;
138	+	procedure CheckTZSupport;
139	+	function GetAttachment: IAttachment; virtual; abstract;
140		function GetSQLDialect: integer; virtual; abstract;
141	+	function GetTimeZoneServices: IExTimeZoneServices; virtual;
142		procedure Changed; virtual;
143		procedure Changing; virtual;
144		procedure InternalSetAsString(Value: AnsiString); virtual;
#	Line 113 | Line 151 | type
151		procedure SetDataLength(len: cardinal); virtual;
152		procedure SetSQLType(aValue: cardinal); virtual;
153		property DataLength: cardinal read GetDataLength write SetDataLength;
154	<
154	>	property FirebirdClientAPI: TFBClientAPI read FFirebirdClientAPI;
155		public
156		constructor Create(api: TFBClientAPI);
157	<	function GetSQLType: cardinal; virtual; abstract;
157	>	function GetSQLType: cardinal; virtual; abstract; {Current Field Data SQL Type}
158		function GetSQLTypeName: AnsiString; overload;
159	<	class function GetSQLTypeName(SQLType: short): AnsiString; overload;
159	>	class function GetSQLTypeName(SQLType: cardinal): AnsiString; overload;
160	>	function GetStrDataLength: short;
161		function GetName: AnsiString; virtual; abstract;
162	<	function GetScale: integer; virtual; abstract;
162	>	function GetScale: integer; virtual; abstract; {Current Field Data scale}
163		function GetAsBoolean: boolean;
164		function GetAsCurrency: Currency;
165		function GetAsInt64: Int64;
166	<	function GetAsDateTime: TDateTime;
166	>	function GetAsDateTime: TDateTime; overload;
167	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
168	>	procedure GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
169	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime); overload;
170	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString; OnDate: TDateTime); overload;
171	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezoneID: TFBTimeZoneID); overload;
172	>	procedure GetAsTime(var aTime: TDateTime; var dstOffset: smallint; var aTimezone: AnsiString); overload;
173	>	function GetAsUTCDateTime: TDateTime;
174		function GetAsDouble: Double;
175		function GetAsFloat: Float;
176		function GetAsLong: Long;
#	Line 137 | Line 183 | type
183		function GetAsVariant: Variant;
184		function GetModified: boolean; virtual;
185		function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
186	+	function GetAsBCD: tBCD;
187	+	function GetSize: cardinal; virtual; abstract;
188	+	function GetCharSetWidth: integer; virtual; abstract;
189		procedure SetAsBoolean(AValue: boolean); virtual;
190		procedure SetAsCurrency(Value: Currency); virtual;
191		procedure SetAsInt64(Value: Int64); virtual;
192		procedure SetAsDate(Value: TDateTime); virtual;
193		procedure SetAsLong(Value: Long); virtual;
194	<	procedure SetAsTime(Value: TDateTime); virtual;
195	<	procedure SetAsDateTime(Value: TDateTime);
194	>	procedure SetAsTime(Value: TDateTime); overload;
195	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime;aTimeZoneID: TFBTimeZoneID); overload;
196	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
197	>	procedure SetAsDateTime(Value: TDateTime); overload;
198	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
199	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
200	>	procedure SetAsUTCDateTime(aUTCTime: TDateTime);
201		procedure SetAsDouble(Value: Double); virtual;
202		procedure SetAsFloat(Value: Float); virtual;
203		procedure SetAsPointer(Value: Pointer);
#	Line 152 | Line 206 | type
206		procedure SetAsString(Value: AnsiString); virtual;
207		procedure SetAsVariant(Value: Variant);
208		procedure SetAsNumeric(Value: Int64; aScale: integer);
209	+	procedure SetAsBcd(aValue: tBCD); virtual;
210		procedure SetIsNull(Value: Boolean); virtual;
211		procedure SetIsNullable(Value: Boolean); virtual;
212		procedure SetName(aValue: AnsiString); virtual;
#	Line 210 | Line 265 | type
265		function StateChanged(var ChangeSeqNo: integer): boolean; virtual; abstract;
266		property CaseSensitiveParams: boolean read FCaseSensitiveParams
267		write FCaseSensitiveParams; {Only used when IsInputDataArea true}
268	+	function CanChangeMetaData: boolean; virtual; abstract;
269		property Count: integer read GetCount;
270		property Column[index: integer]: TSQLVarData read GetColumn;
271		property UniqueRelationName: AnsiString read FUniqueRelationName;
#	Line 228 | Line 284 | type
284		FModified: boolean;
285		FUniqueName: boolean;
286		FVarString: RawByteString;
287	+	FColMetaData: IParamMetaData;
288		function GetStatement: IStatement;
289		procedure SetName(AValue: AnsiString);
290		protected
291	+	function GetAttachment: IAttachment; virtual; abstract;
292		function GetSQLType: cardinal; virtual; abstract;
293		function GetSubtype: integer; virtual; abstract;
294		function GetAliasName: AnsiString;  virtual; abstract;
#	Line 239 | Line 297 | type
297		function GetRelationName: AnsiString;  virtual; abstract;
298		function GetScale: integer; virtual; abstract;
299		function GetCharSetID: cardinal; virtual; abstract;
300	+	function GetCharSetWidth: integer; virtual; abstract;
301		function GetCodePage: TSystemCodePage; virtual; abstract;
302		function GetIsNull: Boolean;   virtual; abstract;
303		function GetIsNullable: boolean; virtual; abstract;
304		function GetSQLData: PByte;  virtual; abstract;
305	<	function GetDataLength: cardinal; virtual; abstract;
305	>	function GetDataLength: cardinal; virtual; abstract; {current field length}
306	>	function GetSize: cardinal; virtual; abstract; {field length as given by metadata}
307	>	function GetDefaultTextSQLType: cardinal; virtual; abstract;
308		procedure SetIsNull(Value: Boolean); virtual; abstract;
309		procedure SetIsNullable(Value: Boolean);  virtual; abstract;
310		procedure SetSQLData(AValue: PByte; len: cardinal); virtual; abstract;
#	Line 251 | Line 312 | type
312		procedure SetDataLength(len: cardinal); virtual; abstract;
313		procedure SetSQLType(aValue: cardinal); virtual; abstract;
314		procedure SetCharSetID(aValue: cardinal); virtual; abstract;
315	+	procedure SetMetaSize(aValue: cardinal); virtual;
316		public
317		constructor Create(aParent: TSQLDataArea; aIndex: integer);
318		procedure SetString(aValue: AnsiString);
#	Line 261 | Line 323 | type
323		function CreateBlob: IBlob; virtual; abstract;
324		function GetArrayMetaData: IArrayMetaData; virtual; abstract;
325		function GetBlobMetaData: IBlobMetaData; virtual; abstract;
326	+	function getColMetadata: IParamMetaData;
327		procedure Initialize; virtual;
328	+	procedure SaveMetaData;
329
330		public
331		property AliasName: AnsiString read GetAliasName;
#	Line 292 | Line 356 | type
356		FIBXSQLVAR: TSQLVarData;
357		FOwner: IUnknown;         {Keep reference to ensure Metadata/statement not discarded}
358		FPrepareSeqNo: integer;
295	–	FStatement: IStatement;
359		FChangeSeqNo: integer;
360		protected
361		procedure CheckActive; override;
362	+	function GetAttachment: IAttachment; override;
363		function SQLData: PByte; override;
364		function GetDataLength: cardinal; override;
365		function GetCodePage: TSystemCodePage; override;
#	Line 304 | Line 368 | type
368		constructor Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData);
369		destructor Destroy; override;
370		function GetSQLDialect: integer; override;
307	–	property Statement: IStatement read FStatement;
371
372		public
373		{IColumnMetaData}
#	Line 319 | Line 382 | type
382		function GetScale: integer; override;
383		function getCharSetID: cardinal; override;
384		function GetIsNullable: boolean; override;
385	<	function GetSize: cardinal;
385	>	function GetSize: cardinal; override;
386	>	function GetCharSetWidth: integer; override;
387		function GetArrayMetaData: IArrayMetaData;
388		function GetBlobMetaData: IBlobMetaData;
389	+	function GetStatement: IStatement;
390	+	function GetTransaction: ITransaction; virtual;
391		property Name: AnsiString read GetName;
392		property Size: cardinal read GetSize;
393		property CharSetID: cardinal read getCharSetID;
394		property SQLSubtype: integer read getSubtype;
395		property IsNullable: Boolean read GetIsNullable;
396	+	public
397	+	property Statement: IStatement read GetStatement;
398		end;
399
400		{ TIBSQLData }
401
402		TIBSQLData = class(TColumnMetaData,ISQLData)
403	+	private
404	+	FTransaction: ITransaction;
405		protected
406		procedure CheckActive; override;
407		public
408	+	function GetTransaction: ITransaction; override;
409		function GetIsNull: Boolean; override;
410		function GetAsArray: IArray;
411		function GetAsBlob: IBlob; overload;
#	Line 343 | Line 414 | type
414		property AsBlob: IBlob read GetAsBlob;
415		end;
416
417	+	{ TSQLParamMetaData }
418	+
419	+	TSQLParamMetaData = class(TFBInterfacedObject,IParamMetaData)
420	+	private
421	+	FSQLType: cardinal;
422	+	FSQLSubType: integer;
423	+	FScale: integer;
424	+	FCharSetID: cardinal;
425	+	FNullable: boolean;
426	+	FSize: cardinal;
427	+	FCodePage: TSystemCodePage;
428	+	public
429	+	constructor Create(src: TSQLVarData);
430	+	{IParamMetaData}
431	+	function GetSQLType: cardinal;
432	+	function GetSQLTypeName: AnsiString;
433	+	function getSubtype: integer;
434	+	function getScale: integer;
435	+	function getCharSetID: cardinal;
436	+	function getCodePage: TSystemCodePage;
437	+	function getIsNullable: boolean;
438	+	function GetSize: cardinal;
439	+	property SQLType: cardinal read GetSQLType;
440	+	end;
441	+
442		{ TSQLParam }
443
444	<	TSQLParam = class(TIBSQLData,ISQLParam)
444	>	TSQLParam = class(TIBSQLData,ISQLParam,ISQLData)
445		protected
446		procedure CheckActive; override;
447		procedure Changed; override;
#	Line 355 | Line 451 | type
451		procedure SetSQLType(aValue: cardinal); override;
452		public
453		procedure Clear;
454	+	function getColMetadata: IParamMetaData;
455		function GetModified: boolean; override;
456		function GetAsPointer: Pointer;
457	+	function GetAsString: AnsiString; override;
458		procedure SetName(Value: AnsiString); override;
459		procedure SetIsNull(Value: Boolean);  override;
460		procedure SetIsNullable(Value: Boolean); override;
#	Line 368 | Line 466 | type
466		procedure SetAsInt64(AValue: Int64);
467		procedure SetAsDate(AValue: TDateTime);
468		procedure SetAsLong(AValue: Long);
469	<	procedure SetAsTime(AValue: TDateTime);
470	<	procedure SetAsDateTime(AValue: TDateTime);
469	>	procedure SetAsTime(AValue: TDateTime); overload;
470	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
471	>	procedure SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString); overload;
472	>	procedure SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
473	>	procedure SetAsTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
474	>	procedure SetAsDateTime(AValue: TDateTime); overload;
475	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID); overload;
476	>	procedure SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString); overload;
477		procedure SetAsDouble(AValue: Double);
478		procedure SetAsFloat(AValue: Float);
479		procedure SetAsPointer(AValue: Pointer);
#	Line 379 | Line 483 | type
483		procedure SetAsBlob(aValue: IBlob);
484		procedure SetAsQuad(AValue: TISC_QUAD);
485		procedure SetCharSetID(aValue: cardinal);
486	+	procedure SetAsBcd(aValue: tBCD);
487
488		property AsBlob: IBlob read GetAsBlob write SetAsBlob;
489		property IsNullable: Boolean read GetIsNullable write SetIsNullable;
#	Line 443 | Line 548 | type
548		function ByName(Idx: AnsiString): ISQLData;
549		function getSQLData(index: integer): ISQLData;
550		procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
551	+	function GetStatement: IStatement;
552		function GetTransaction: ITransaction; virtual;
553		procedure SetRetainInterfaces(aValue: boolean);
554		end;
#	Line 451 | Line 557 | implementation
557
558		uses FBMessages, variants, IBUtils, FBTransaction, DateUtils;
559
560	+	{ TSQLParamMetaData }
561	+
562	+	constructor TSQLParamMetaData.Create(src: TSQLVarData);
563	+	begin
564	+	inherited Create;
565	+	FSQLType := src.GetSQLType;
566	+	FSQLSubType := src.getSubtype;
567	+	FScale := src.GetScale;
568	+	FCharSetID := src.getCharSetID;
569	+	FNullable := src.GetIsNullable;
570	+	FSize := src.GetSize;
571	+	FCodePage := src.GetCodePage;
572	+	end;
573	+
574	+	function TSQLParamMetaData.GetSQLType: cardinal;
575	+	begin
576	+	Result := FSQLType;
577	+	end;
578	+
579	+	function TSQLParamMetaData.GetSQLTypeName: AnsiString;
580	+	begin
581	+	Result := TSQLDataItem.GetSQLTypeName(FSQLType);
582	+	end;
583	+
584	+	function TSQLParamMetaData.getSubtype: integer;
585	+	begin
586	+	Result := FSQLSubType;
587	+	end;
588	+
589	+	function TSQLParamMetaData.getScale: integer;
590	+	begin
591	+	Result := FScale;
592	+	end;
593	+
594	+	function TSQLParamMetaData.getCharSetID: cardinal;
595	+	begin
596	+	Result := FCharSetID;
597	+	end;
598	+
599	+	function TSQLParamMetaData.getCodePage: TSystemCodePage;
600	+	begin
601	+	Result :=  FCodePage;
602	+	end;
603	+
604	+	function TSQLParamMetaData.getIsNullable: boolean;
605	+	begin
606	+	Result :=  FNullable;
607	+	end;
608	+
609	+	function TSQLParamMetaData.GetSize: cardinal;
610	+	begin
611	+	Result := FSize;
612	+	end;
613	+
614		{ TSQLDataArea }
615
616		function TSQLDataArea.GetColumn(index: integer): TSQLVarData;
#	Line 597 | Line 757 | begin
757		FName := AValue;
758		end;
759
760	+	procedure TSQLVarData.SetMetaSize(aValue: cardinal);
761	+	begin
762	+	//Ignore
763	+	end;
764	+
765	+	procedure TSQLVarData.SaveMetaData;
766	+	begin
767	+	FColMetaData := TSQLParamMetaData.Create(self);
768	+	end;
769	+
770		constructor TSQLVarData.Create(aParent: TSQLDataArea; aIndex: integer);
771		begin
772		inherited Create;
#	Line 613 | Line 783 | begin
783		a zero byte when the string is empty, neatly avoiding a nil pointer error.}
784
785		FVarString := aValue;
786	<	SQLType := SQL_TEXT;
786	>	if SQLType = SQL_BLOB then
787	>	SetMetaSize(GetAttachment.GetInlineBlobLimit);
788	>	SQLType := GetDefaultTextSQLType;
789		Scale := 0;
790		SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue));
791		end;
#	Line 629 | Line 801 | begin
801		FVarString := '';
802		end;
803
804	+	function TSQLVarData.getColMetadata: IParamMetaData;
805	+	begin
806	+	Result := FColMetaData;
807	+	end;
808	+
809		procedure TSQLVarData.Initialize;
810
811		function FindVarByName(idx: AnsiString; limit: integer): TSQLVarData;
#	Line 804 | Line 981 | begin
981		with FormatSettings do
982		{$IFEND}
983		{$IFEND}
984	<	Result := LongTimeFormat;
984	>	Result := 'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';;
985		end;
986
987		function TSQLDataItem.GetTimestampFormatStr: AnsiString;
#	Line 816 | Line 993 | begin
993		with FormatSettings do
994		{$IFEND}
995		{$IFEND}
996	<	Result := ShortDateFormat + ' ' +  LongTimeFormat + '.zzz';
996	>	Result := ShortDateFormat + ' ' +  'hh' + TimeSeparator + 'nn' + TimeSeparator + 'ss' + '.zzzz';
997		end;
998
999		procedure TSQLDataItem.SetAsInteger(AValue: Integer);
#	Line 824 | Line 1001 | begin
1001		SetAsLong(aValue);
1002		end;
1003
1004	+	procedure TSQLDataItem.InternalGetAsDateTime(var aDateTime: TDateTime;
1005	+	var dstOffset: smallint; var aTimezone: AnsiString;
1006	+	var aTimeZoneID: TFBTimeZoneID);
1007	+	begin
1008	+	CheckActive;
1009	+	aDateTime := 0;
1010	+	dstOffset := 0;
1011	+	aTimezone := '';
1012	+	aTimeZoneID := TimeZoneID_GMT;
1013	+	if not IsNull then
1014	+	with FFirebirdClientAPI do
1015	+	case SQLType of
1016	+	SQL_TEXT, SQL_VARYING:
1017	+	if not ParseDateTimeTZString(AsString,aDateTime,aTimeZone) then
1018	+	IBError(ibxeInvalidDataConversion, [nil]);
1019	+	SQL_TYPE_DATE:
1020	+	aDateTime := SQLDecodeDate(SQLData);
1021	+	SQL_TYPE_TIME:
1022	+	aDateTime := SQLDecodeTime(SQLData);
1023	+	SQL_TIMESTAMP:
1024	+	aDateTime := SQLDecodeDateTime(SQLData);
1025	+	SQL_TIMESTAMP_TZ:
1026	+	begin
1027	+	GetTimeZoneServices.DecodeTimestampTZ(SQLData,aDateTime,dstOffset,aTimeZone);
1028	+	aTimeZoneID := PISC_TIMESTAMP_TZ(SQLData)^.time_zone;
1029	+	end;
1030	+	SQL_TIMESTAMP_TZ_EX:
1031	+	begin
1032	+	GetTimeZoneServices.DecodeTimestampTZEx(SQLData,aDateTime,dstOffset,aTimeZone);
1033	+	aTimeZoneID := PISC_TIMESTAMP_TZ_EX(SQLData)^.time_zone;
1034	+	end;
1035	+	SQL_TIME_TZ:
1036	+	with GetTimeZoneServices do
1037	+	begin
1038	+	DecodeTimeTZ(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1039	+	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1040	+	end;
1041	+	SQL_TIME_TZ_EX:
1042	+	with GetTimeZoneServices do
1043	+	begin
1044	+	DecodeTimeTZEx(SQLData,GetTimeTZDate,aDateTime,dstOffset,aTimeZone);
1045	+	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1046	+	end;
1047	+	else
1048	+	IBError(ibxeInvalidDataConversion, [nil]);
1049	+	end;
1050	+	end;
1051	+
1052		function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer
1053		): Int64;
1054		var
#	Line 872 | Line 1097 | begin
1097		end
1098		else
1099		result := trunc(Value);
1100	+	//  writeln('Adjusted ',Value,' to ',Result);
1101		end;
1102
1103		procedure TSQLDataItem.CheckActive;
#	Line 879 | Line 1105 | begin
1105		//Do nothing by default
1106		end;
1107
1108	+	procedure TSQLDataItem.CheckTZSupport;
1109	+	begin
1110	+	if not FFirebirdClientAPI.HasTimeZoneSupport then
1111	+	IBError(ibxeNoTimezoneSupport,[]);
1112	+	end;
1113	+
1114	+	function TSQLDataItem.GetTimeZoneServices: IExTimeZoneServices;
1115	+	begin
1116	+	if FTimeZoneServices = nil then
1117	+	begin
1118	+	if not GetAttachment.HasTimeZoneSupport then
1119	+	IBError(ibxeNoTimezoneSupport,[]);
1120	+	GetAttachment.GetTimeZoneServices.QueryInterface(IExTimeZoneServices,FTimeZoneServices);
1121	+	end;
1122	+	Result := FTimeZoneServices;
1123	+	end;
1124	+
1125		procedure TSQLDataItem.Changed;
1126		begin
1127		//Do nothing by default
#	Line 928 | Line 1171 | begin
1171		Result := GetSQLTypeName(GetSQLType);
1172		end;
1173
1174	<	class function TSQLDataItem.GetSQLTypeName(SQLType: short): AnsiString;
1174	>	class function TSQLDataItem.GetSQLTypeName(SQLType: cardinal): AnsiString;
1175		begin
1176		Result := 'Unknown';
1177		case SQLType of
#	Line 939 | Line 1182 | begin
1182		SQL_LONG:             Result := 'SQL_LONG';
1183		SQL_SHORT:            Result := 'SQL_SHORT';
1184		SQL_TIMESTAMP:        Result := 'SQL_TIMESTAMP';
1185	+	SQL_TIMESTAMP_TZ:     Result := 'SQL_TIMESTAMP_TZ';
1186	+	SQL_TIMESTAMP_TZ_EX:  Result := 'SQL_TIMESTAMP_TZ_EX';
1187		SQL_BLOB:             Result := 'SQL_BLOB';
1188		SQL_D_FLOAT:          Result := 'SQL_D_FLOAT';
1189		SQL_ARRAY:            Result := 'SQL_ARRAY';
#	Line 946 | Line 1191 | begin
1191		SQL_TYPE_TIME:        Result := 'SQL_TYPE_TIME';
1192		SQL_TYPE_DATE:        Result := 'SQL_TYPE_DATE';
1193		SQL_INT64:            Result := 'SQL_INT64';
1194	+	SQL_TIME_TZ:          Result := 'SQL_TIME_TZ';
1195	+	SQL_TIME_TZ_EX:       Result := 'SQL_TIME_TZ_EX';
1196	+	SQL_DEC_FIXED:        Result := 'SQL_DEC_FIXED';
1197	+	SQL_DEC16:            Result := 'SQL_DEC16';
1198	+	SQL_DEC34:            Result := 'SQL_DEC34';
1199	+	SQL_INT128:           Result := 'SQL_INT128';
1200	+	SQL_NULL:             Result := 'SQL_NULL';
1201	+	SQL_BOOLEAN:          Result := 'SQL_BOOLEAN';
1202		end;
1203		end;
1204
1205	+	function TSQLDataItem.GetStrDataLength: short;
1206	+	begin
1207	+	with FFirebirdClientAPI do
1208	+	if SQLType = SQL_VARYING then
1209	+	Result := DecodeInteger(SQLData, 2)
1210	+	else
1211	+	Result := DataLength;
1212	+	end;
1213	+
1214		function TSQLDataItem.GetAsBoolean: boolean;
1215		begin
1216		CheckActive;
#	Line 988 | Line 1250 | begin
1250		result := AdjustScaleToCurrency(PInt64(SQLData)^,
1251		Scale);
1252		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1253	<	result := Trunc(AsDouble);
1253	>	result := Round(AsDouble);
1254	>
1255	>	SQL_DEC_FIXED,
1256	>	SQL_DEC16,
1257	>	SQL_DEC34,
1258	>	SQL_INT128:
1259	>	if not BCDToCurr(GetAsBCD,Result) then
1260	>	IBError(ibxeInvalidDataConversion, [nil]);
1261	>
1262		else
1263		IBError(ibxeInvalidDataConversion, [nil]);
1264		end;
#	Line 1018 | Line 1288 | begin
1288		result := AdjustScaleToInt64(PInt64(SQLData)^,
1289		Scale);
1290		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1291	<	result := Trunc(AsDouble);
1291	>	result := Round(AsDouble);
1292		else
1293		IBError(ibxeInvalidDataConversion, [nil]);
1294		end;
1295		end;
1296
1297		function TSQLDataItem.GetAsDateTime: TDateTime;
1298	+	var aTimezone: AnsiString;
1299	+	aTimeZoneID: TFBTimeZoneID;
1300	+	dstOffset: smallint;
1301	+	begin
1302	+	InternalGetAsDateTime(Result,dstOffset,aTimeZone,aTimeZoneID);
1303	+	end;
1304	+
1305	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime;
1306	+	var dstOffset: smallint; var aTimezone: AnsiString);
1307	+	var aTimeZoneID: TFBTimeZoneID;
1308	+	begin
1309	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1310	+	end;
1311	+
1312	+	procedure TSQLDataItem.GetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
1313	+	var aTimezoneID: TFBTimeZoneID);
1314	+	var aTimezone: AnsiString;
1315	+	begin
1316	+	InternalGetAsDateTime(aDateTime,dstOffset,aTimeZone,aTimeZoneID);
1317	+	end;
1318	+
1319	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1320	+	var aTimezoneID: TFBTimeZoneID; OnDate: TDateTime);
1321	+	var aTimeZone: AnsiString;
1322		begin
1323		CheckActive;
1324	<	result := 0;
1324	>	aTime := 0;
1325	>	dstOffset := 0;
1326		if not IsNull then
1327		with FFirebirdClientAPI do
1328		case SQLType of
1329	<	SQL_TEXT, SQL_VARYING: begin
1330	<	try
1331	<	result := StrToDate(AsString);
1332	<	except
1038	<	on E: EConvertError do IBError(ibxeInvalidDataConversion, [nil]);
1329	>	SQL_TIME_TZ:
1330	>	begin
1331	>	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1332	>	aTimeZoneID := PISC_TIME_TZ(SQLData)^.time_zone;
1333		end;
1334	+	SQL_TIME_TZ_EX:
1335	+	begin
1336	+	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1337	+	aTimeZoneID := PISC_TIME_TZ_EX(SQLData)^.time_zone;
1338	+	end;
1339	+	else
1340	+	IBError(ibxeInvalidDataConversion, [nil]);
1341	+	end;
1342	+	end;
1343	+
1344	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1345	+	var aTimezone: AnsiString; OnDate: TDateTime);
1346	+	begin
1347	+	CheckActive;
1348	+	aTime := 0;
1349	+	dstOffset := 0;
1350	+	if not IsNull then
1351	+	with FFirebirdClientAPI do
1352	+	case SQLType of
1353	+	SQL_TIME_TZ:
1354	+	GetTimeZoneServices.DecodeTimeTZ(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1355	+	SQL_TIME_TZ_EX:
1356	+	GetTimeZoneServices.DecodeTimeTZEx(SQLData,OnDate,aTime,dstOffset,aTimeZone);
1357	+	else
1358	+	IBError(ibxeInvalidDataConversion, [nil]);
1359	+	end;
1360	+	end;
1361	+
1362	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1363	+	var aTimezoneID: TFBTimeZoneID);
1364	+	begin
1365	+	GetAsTime(aTime,dstOffset,aTimeZoneID,GetTimeZoneServices.GetTimeTZDate);
1366	+	end;
1367	+
1368	+	procedure TSQLDataItem.GetAsTime(var aTime: TDateTime; var dstOffset: smallint;
1369	+	var aTimezone: AnsiString);
1370	+	begin
1371	+	GetAsTime(aTime,dstOffset,aTimeZone,GetTimeZoneServices.GetTimeTZDate);
1372	+	end;
1373	+
1374	+	function TSQLDataItem.GetAsUTCDateTime: TDateTime;
1375	+	var aTimezone: AnsiString;
1376	+	begin
1377	+	CheckActive;
1378	+	result := 0;
1379	+	aTimezone := '';
1380	+	if not IsNull then
1381	+	with FFirebirdClientAPI do
1382	+	case SQLType of
1383	+	SQL_TEXT, SQL_VARYING:
1384	+	begin
1385	+	if not ParseDateTimeTZString(AsString,Result,aTimeZone) then
1386	+	IBError(ibxeInvalidDataConversion, [nil]);
1387	+	Result := GetTimeZoneServices.LocalTimeToGMT(Result,aTimeZone);
1388		end;
1389		SQL_TYPE_DATE:
1390		result := SQLDecodeDate(SQLData);
1391	<	SQL_TYPE_TIME:
1391	>	SQL_TYPE_TIME,
1392	>	SQL_TIME_TZ,
1393	>	SQL_TIME_TZ_EX:
1394		result := SQLDecodeTime(SQLData);
1395	<	SQL_TIMESTAMP:
1395	>	SQL_TIMESTAMP,
1396	>	SQL_TIMESTAMP_TZ,
1397	>	SQL_TIMESTAMP_TZ_EX:
1398		result := SQLDecodeDateTime(SQLData);
1399		else
1400		IBError(ibxeInvalidDataConversion, [nil]);
1401	<	end;
1401	>	end;
1402		end;
1403
1404		function TSQLDataItem.GetAsDouble: Double;
#	Line 1074 | Line 1426 | begin
1426		result := PFloat(SQLData)^;
1427		SQL_DOUBLE, SQL_D_FLOAT:
1428		result := PDouble(SQLData)^;
1429	+	SQL_DEC_FIXED,
1430	+	SQL_DEC16,
1431	+	SQL_DEC34,
1432	+	SQL_INT128:
1433	+	Result := BCDToDouble(GetAsBCD);
1434		else
1435		IBError(ibxeInvalidDataConversion, [nil]);
1436		end;
#	Line 1110 | Line 1467 | begin
1467		end;
1468		end;
1469		SQL_SHORT:
1470	<	result := Trunc(AdjustScale(Int64(PShort(SQLData)^),
1470	>	result := Round(AdjustScale(Int64(PShort(SQLData)^),
1471		Scale));
1472		SQL_LONG:
1473	<	result := Trunc(AdjustScale(Int64(PLong(SQLData)^),
1473	>	result := Round(AdjustScale(Int64(PLong(SQLData)^),
1474		Scale));
1475		SQL_INT64:
1476	<	result := Trunc(AdjustScale(PInt64(SQLData)^, Scale));
1476	>	result := Round(AdjustScale(PInt64(SQLData)^, Scale));
1477		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1478	<	result := Trunc(AsDouble);
1478	>	result := Round(AsDouble);
1479	>	SQL_DEC_FIXED,
1480	>	SQL_DEC16,
1481	>	SQL_DEC34,
1482	>	SQL_INT128:
1483	>	Result := BCDToInteger(GetAsBCD);
1484		else
1485	<	IBError(ibxeInvalidDataConversion, [nil]);
1485	>	IBError(ibxeInvalidDataConversion, [GetSQLTypeName]);
1486		end;
1487		end;
1488
#	Line 1158 | Line 1520 | begin
1520		end;
1521		end;
1522
1523	+	{Copied from LazUTF8}
1524	+
1525	+	function UTF8CodepointSizeFull(p: PAnsiChar): integer;
1526	+	const TopBitSetMask   = $80; {%10000000}
1527	+	Top2BitsSetMask = $C0; {%11000000}
1528	+	Top3BitsSetMask = $E0; {%11100000}
1529	+	Top4BitsSetMask = $F0; {%11110000}
1530	+	Top5BitsSetMask = $F8; {%11111000}
1531	+	begin
1532	+	case p^ of
1533	+	#0..#191: // %11000000
1534	+	// regular single byte character (#0 is a character, this is Pascal ;)
1535	+	Result:=1;
1536	+	#192..#223: // p^ and %11100000 = %11000000
1537	+	begin
1538	+	// could be 2 byte character
1539	+	if (ord(p[1]) and Top2BitsSetMask) = TopBitSetMask then
1540	+	Result:=2
1541	+	else
1542	+	Result:=1;
1543	+	end;
1544	+	#224..#239: // p^ and %11110000 = %11100000
1545	+	begin
1546	+	// could be 3 byte character
1547	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1548	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask) then
1549	+	Result:=3
1550	+	else
1551	+	Result:=1;
1552	+	end;
1553	+	#240..#247: // p^ and %11111000 = %11110000
1554	+	begin
1555	+	// could be 4 byte character
1556	+	if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1557	+	and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask)
1558	+	and ((ord(p[3]) and Top2BitsSetMask) = TopBitSetMask) then
1559	+	Result:=4
1560	+	else
1561	+	Result:=1;
1562	+	end;
1563	+	else
1564	+	Result:=1;
1565	+	end;
1566	+	end;
1567	+
1568	+	{Returns the byte length of a UTF8 string with a fixed charwidth}
1569	+
1570	+	function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer;
1571	+	var i: integer;
1572	+	cplen: integer;
1573	+	s: AnsiString;
1574	+	begin
1575	+	Result := 0;
1576	+	s := strpas(p);
1577	+	for i := 1 to FieldWidth do
1578	+	begin
1579	+	cplen := UTF8CodepointSizeFull(p);
1580	+	Inc(p,cplen);
1581	+	Inc(Result,cplen);
1582	+	if Result >= MaxDataLength then
1583	+	begin
1584	+	Result := MaxDataLength;
1585	+	Exit;
1586	+	end;
1587	+	end;
1588	+	end;
1589
1590		function TSQLDataItem.GetAsString: AnsiString;
1591		var
1592		sz: PByte;
1593		str_len: Integer;
1594		rs: RawByteString;
1595	+	aTimeZone: AnsiString;
1596	+	aDateTime: TDateTime;
1597	+	dstOffset: smallint;
1598		begin
1599		CheckActive;
1600		result := '';
#	Line 1181 | Line 1612 | begin
1612		begin
1613		sz := SQLData;
1614		if (SQLType = SQL_TEXT) then
1615	<	str_len := DataLength
1615	>	begin
1616	>	if GetCodePage = cp_utf8 then
1617	>	str_len := GetStrLen(PAnsiChar(sz),GetSize div GetCharSetWidth,DataLength)
1618	>	else
1619	>	str_len := DataLength
1620	>	end
1621		else begin
1622	<	str_len := DecodeInteger(SQLData, 2);
1622	>	str_len := DecodeInteger(sz, 2);
1623		Inc(sz, 2);
1624		end;
1625		SetString(rs, PAnsiChar(sz), str_len);
1626		SetCodePage(rs,GetCodePage,false);
1627	<	if (SQLType = SQL_TEXT) and (GetCharSetID <> 1) then
1192	<	Result := TrimRight(rs)
1193	<	else
1194	<	Result := rs
1627	>	Result := rs;
1628		end;
1629	+
1630		SQL_TYPE_DATE:
1631	<	result := FormatDateTime(GetDateFormatStr(TimeOf(AsDateTime)<>0),AsDateTime);
1198	<	SQL_TYPE_TIME :
1199	<	result := FormatDateTime(GetTimeFormatStr,AsDateTime);
1631	>	Result := DateToStr(GetAsDateTime);
1632		SQL_TIMESTAMP:
1633	<	result := FormatDateTime(GetTimestampFormatStr,AsDateTime);
1633	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsDateTime);
1634	>	SQL_TYPE_TIME:
1635	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsDateTime);
1636	>	SQL_TIMESTAMP_TZ,
1637	>	SQL_TIMESTAMP_TZ_EX:
1638	>	with GetAttachment.GetTimeZoneServices do
1639	>	begin
1640	>	if GetTZTextOption = tzGMT then
1641	>	Result := FBFormatDateTime(GetTimestampFormatStr,GetAsUTCDateTime)
1642	>	else
1643	>	begin
1644	>	GetAsDateTime(aDateTime,dstOffset,aTimeZone);
1645	>	if GetTZTextOption = tzOffset then
1646	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1647	>	else
1648	>	Result := FBFormatDateTime(GetTimestampFormatStr,aDateTime) + ' ' + aTimeZone;
1649	>	end;
1650	>	end;
1651	>	SQL_TIME_TZ,
1652	>	SQL_TIME_TZ_EX:
1653	>	with GetAttachment.GetTimeZoneServices do
1654	>	begin
1655	>	if GetTZTextOption = tzGMT then
1656	>	Result := FBFormatDateTime(GetTimeFormatStr,GetAsUTCDateTime)
1657	>	else
1658	>	begin
1659	>	GetAsTime(aDateTime,dstOffset,aTimeZone,GetTimeTZDate);
1660	>	if GetTZTextOption = tzOffset then
1661	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + FormatTimeZoneOffset(dstOffset)
1662	>	else
1663	>	Result := FBFormatDateTime(GetTimeFormatStr,aDateTime) + ' ' + aTimeZone;
1664	>	end;
1665	>	end;
1666	>
1667		SQL_SHORT, SQL_LONG:
1668		if Scale = 0 then
1669		result := IntToStr(AsLong)
#	Line 1215 | Line 1680 | begin
1680		result := FloatToStr(AsDouble);
1681		SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT:
1682		result := FloatToStr(AsDouble);
1683	+
1684	+	SQL_DEC16,
1685	+	SQL_DEC34:
1686	+	result := BCDToStr(GetAsBCD);
1687	+
1688	+	SQL_DEC_FIXED,
1689	+	SQL_INT128:
1690	+	result := Int128ToStr(SQLData,scale);
1691	+
1692		else
1693		IBError(ibxeInvalidDataConversion, [nil]);
1694		end;
#	Line 1233 | Line 1707 | begin
1707		end;
1708
1709		function TSQLDataItem.GetAsVariant: Variant;
1710	+	var ts: TDateTime;
1711	+	dstOffset: smallint;
1712	+	timezone: AnsiString;
1713		begin
1714		CheckActive;
1715		if IsNull then
#	Line 1246 | Line 1723 | begin
1723		result := AsString;
1724		SQL_TIMESTAMP, SQL_TYPE_DATE, SQL_TYPE_TIME:
1725		result := AsDateTime;
1726	+	SQL_TIMESTAMP_TZ,
1727	+	SQL_TIME_TZ,
1728	+	SQL_TIMESTAMP_TZ_EX,
1729	+	SQL_TIME_TZ_EX:
1730	+	begin
1731	+	GetAsDateTime(ts,dstOffset,timezone);
1732	+	result := VarArrayOf([ts,dstOffset,timezone]);
1733	+	end;
1734		SQL_SHORT, SQL_LONG:
1735		if Scale = 0 then
1736		result := AsLong
#	Line 1264 | Line 1749 | begin
1749		result := AsDouble;
1750		SQL_BOOLEAN:
1751		result := AsBoolean;
1752	+	SQL_DEC_FIXED,
1753	+	SQL_DEC16,
1754	+	SQL_DEC34,
1755	+	SQL_INT128:
1756	+	result := VarFmtBCDCreate(GetAsBcd);
1757		else
1758		IBError(ibxeInvalidDataConversion, [nil]);
1759		end;
#	Line 1284 | Line 1774 | begin
1774		Result := Length(GetDateFormatStr(true));
1775		dfTime:
1776		Result := Length(GetTimeFormatStr);
1777	+	dfTimestampTZ:
1778	+	Result := Length(GetTimestampFormatStr) + 6; {assume time offset format}
1779	+	dfTimeTZ:
1780	+	Result := Length(GetTimeFormatStr)+ 6;
1781		else
1782		Result := 0;
1783	+	end;end;
1784	+
1785	+	function TSQLDataItem.GetAsBCD: tBCD;
1786	+
1787	+	begin
1788	+	CheckActive;
1789	+	if IsNull then
1790	+	with Result do
1791	+	begin
1792	+	FillChar(Result,sizeof(Result),0);
1793	+	Precision := 1;
1794	+	exit;
1795	+	end;
1796	+
1797	+	case SQLType of
1798	+	SQL_DEC16,
1799	+	SQL_DEC34:
1800	+	with FFirebirdClientAPI do
1801	+	Result := SQLDecFloatDecode(SQLType,  SQLData);
1802	+
1803	+	SQL_DEC_FIXED,
1804	+	SQL_INT128:
1805	+	with FFirebirdClientAPI do
1806	+	Result := StrToBCD(Int128ToStr(SQLData,scale));
1807	+	else
1808	+	if not CurrToBCD(GetAsCurrency,Result) then
1809	+	IBError(ibxeBadBCDConversion,[]);
1810		end;
1811		end;
1812
#	Line 1377 | Line 1898 | begin
1898		Changed;
1899		end;
1900
1901	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
1902	+	begin
1903	+	CheckActive;
1904	+	CheckTZSupport;
1905	+	if GetSQLDialect < 3 then
1906	+	begin
1907	+	AsDateTime := aValue;
1908	+	exit;
1909	+	end;
1910	+
1911	+	Changing;
1912	+	if IsNullable then
1913	+	IsNull := False;
1914	+
1915	+	SQLType := SQL_TIME_TZ;
1916	+	DataLength := SizeOf(ISC_TIME_TZ);
1917	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZoneID,OnDate,SQLData);
1918	+	Changed;
1919	+	end;
1920	+
1921	+	procedure TSQLDataItem.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
1922	+	begin
1923	+	CheckActive;
1924	+	CheckTZSupport;
1925	+	if GetSQLDialect < 3 then
1926	+	begin
1927	+	AsDateTime := aValue;
1928	+	exit;
1929	+	end;
1930	+
1931	+	Changing;
1932	+	if IsNullable then
1933	+	IsNull := False;
1934	+
1935	+	SQLType := SQL_TIME_TZ;
1936	+	DataLength := SizeOf(ISC_TIME_TZ);
1937	+	GetTimeZoneServices.EncodeTimeTZ(aValue, aTimeZone,OnDate,SQLData);
1938	+	Changed;
1939	+	end;
1940	+
1941		procedure TSQLDataItem.SetAsDateTime(Value: TDateTime);
1942		begin
1943		CheckActive;
#	Line 1391 | Line 1952 | begin
1952		Changed;
1953		end;
1954
1955	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime;
1956	+	aTimeZoneID: TFBTimeZoneID);
1957	+	begin
1958	+	CheckActive;
1959	+	CheckTZSupport;
1960	+	if IsNullable then
1961	+	IsNull := False;
1962	+
1963	+	Changing;
1964	+	SQLType := SQL_TIMESTAMP_TZ;
1965	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
1966	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZoneID,SQLData);
1967	+	Changed;
1968	+	end;
1969	+
1970	+	procedure TSQLDataItem.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString
1971	+	);
1972	+	begin
1973	+	CheckActive;
1974	+	CheckTZSupport;
1975	+	if IsNullable then
1976	+	IsNull := False;
1977	+
1978	+	Changing;
1979	+	SQLType := SQL_TIMESTAMP_TZ;
1980	+	DataLength := SizeOf(ISC_TIMESTAMP_TZ);
1981	+	GetTimeZoneServices.EncodeTimestampTZ(aValue,aTimeZone,SQLData);
1982	+	Changed;
1983	+	end;
1984	+
1985	+	procedure TSQLDataItem.SetAsUTCDateTime(aUTCTime: TDateTime);
1986	+	begin
1987	+	SetAsDateTime(aUTCTime,TimeZoneID_GMT);
1988	+	end;
1989	+
1990		procedure TSQLDataItem.SetAsDouble(Value: Double);
1991		begin
1992		CheckActive;
#	Line 1486 | Line 2082 | begin
2082		CheckActive;
2083		if VarIsNull(Value) then
2084		IsNull := True
2085	+	else
2086	+	if VarIsArray(Value) then {must be datetime plus timezone}
2087	+	SetAsDateTime(Value[0],AnsiString(Value[1]))
2088		else case VarType(Value) of
2089		varEmpty, varNull:
2090		IsNull := True;
#	Line 1508 | Line 2107 | begin
2107		IBError(ibxeNotSupported, [nil]);
2108		varByRef, varDispatch, varError, varUnknown, varVariant:
2109		IBError(ibxeNotPermitted, [nil]);
2110	+	else
2111	+	if VarIsFmtBCD(Value) then
2112	+	SetAsBCD(VarToBCD(Value))
2113	+	else
2114	+	IBError(ibxeNotSupported, [nil]);
2115		end;
2116		end;
2117
#	Line 1525 | Line 2129 | begin
2129		Changed;
2130		end;
2131
2132	+	procedure TSQLDataItem.SetAsBcd(aValue: tBCD);
2133	+	var C: Currency;
2134	+	begin
2135	+	CheckActive;
2136	+	Changing;
2137	+	if IsNullable then
2138	+	IsNull := False;
2139	+
2140	+
2141	+	with FFirebirdClientAPI do
2142	+	if aValue.Precision <= 16 then
2143	+	begin
2144	+	if not HasDecFloatSupport then
2145	+	IBError(ibxeDecFloatNotSupported,[]);
2146	+
2147	+	SQLType := SQL_DEC16;
2148	+	DataLength := 8;
2149	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2150	+	end
2151	+	else
2152	+	if aValue.Precision <= 34 then
2153	+	begin
2154	+	if not HasDecFloatSupport then
2155	+	IBError(ibxeDecFloatNotSupported,[]);
2156	+
2157	+	SQLType := SQL_DEC34;
2158	+	DataLength := 16;
2159	+	SQLDecFloatEncode(aValue,SQLType,SQLData);
2160	+	end
2161	+	else
2162	+	if aValue.Precision <= 38 then
2163	+	begin
2164	+	if not HasInt128Support then
2165	+	IBError(ibxeInt128NotSupported,[]);
2166	+
2167	+	SQLType := SQL_INT128;
2168	+	DataLength := 16;
2169	+	StrToInt128(scale,BcdToStr(aValue),SQLData);
2170	+	end
2171	+	else
2172	+	IBError(ibxeBCDOverflow,[BCDToStr(aValue)]);
2173	+
2174	+	Changed;
2175	+	end;
2176	+
2177		procedure TSQLDataItem.SetAsBoolean(AValue: boolean);
2178		begin
2179		CheckActive;
#	Line 1555 | Line 2204 | begin
2204		IBError(ibxeStatementNotPrepared, [nil]);
2205		end;
2206
2207	+	function TColumnMetaData.GetAttachment: IAttachment;
2208	+	begin
2209	+	Result := GetStatement.GetAttachment;
2210	+	end;
2211	+
2212		function TColumnMetaData.SQLData: PByte;
2213		begin
2214		Result := FIBXSQLVAR.SQLData;
#	Line 1659 | Line 2313 | end;
2313		function TColumnMetaData.GetSize: cardinal;
2314		begin
2315		CheckActive;
2316	<	result := FIBXSQLVAR.DataLength;
2316	>	result := FIBXSQLVAR.GetSize;
2317	>	end;
2318	>
2319	>	function TColumnMetaData.GetCharSetWidth: integer;
2320	>	begin
2321	>	CheckActive;
2322	>	result := FIBXSQLVAR.GetCharSetWidth;
2323		end;
2324
2325		function TColumnMetaData.GetArrayMetaData: IArrayMetaData;
#	Line 1674 | Line 2334 | begin
2334		result := FIBXSQLVAR.GetBlobMetaData;
2335		end;
2336
2337	+	function TColumnMetaData.GetStatement: IStatement;
2338	+	begin
2339	+	Result := FIBXSQLVAR.GetStatement;
2340	+	end;
2341	+
2342	+	function TColumnMetaData.GetTransaction: ITransaction;
2343	+	begin
2344	+	Result := GetStatement.GetTransaction;
2345	+	end;
2346	+
2347		{ TIBSQLData }
2348
2349		procedure TIBSQLData.CheckActive;
#	Line 1693 | Line 2363 | begin
2363		IBError(ibxeBOF,[nil]);
2364		end;
2365
2366	+	function TIBSQLData.GetTransaction: ITransaction;
2367	+	begin
2368	+	if FTransaction = nil then
2369	+	Result := inherited GetTransaction
2370	+	else
2371	+	Result := FTransaction;
2372	+	end;
2373	+
2374		function TIBSQLData.GetIsNull: Boolean;
2375		begin
2376		CheckActive;
#	Line 1744 | Line 2422 | begin
2422		Changed;
2423		end;
2424
2425	+	function TryStrToNumeric(S: Ansistring; out Value: int64; out scale: integer): boolean;
2426	+	var i: integer;
2427	+	ds: integer;
2428	+	begin
2429	+	Result := false;
2430	+	ds := 0;
2431	+	S := Trim(S);
2432	+	{$IF declared(DefaultFormatSettings)}
2433	+	with DefaultFormatSettings do
2434	+	{$ELSE}
2435	+	{$IF declared(FormatSettings)}
2436	+	with FormatSettings do
2437	+	{$IFEND}
2438	+	{$IFEND}
2439	+	begin
2440	+	{ThousandSeparator not allowed as by Delphi specs}
2441	+	if (ThousandSeparator <> DecimalSeparator) and
2442	+	(Pos(ThousandSeparator, S) <> 0) then
2443	+	Exit;
2444	+
2445	+	for i := length(S) downto 1 do
2446	+	begin
2447	+	if S[i] = AnsiChar(DecimalSeparator) then
2448	+	begin
2449	+	if ds <> 0 then Exit; {only one allowed}
2450	+	ds := i-1;
2451	+	system.Delete(S,i,1);
2452	+	end
2453	+	else
2454	+	if (i > 1) and (S[i] in ['+','-']) then
2455	+	Exit
2456	+	else
2457	+	if not (S[i] in ['0'..'9']) then
2458	+	Exit; {bad character}
2459	+
2460	+	end;
2461	+	if ds = 0 then
2462	+	scale := 0
2463	+	else
2464	+	scale := ds - Length(S);
2465	+	Result := TryStrToInt64(S,Value);
2466	+	end;
2467	+	end;
2468	+
2469		var b: IBlob;
2470		dt: TDateTime;
2471	<	CurrValue: Currency;
2472	<	FloatValue: single;
2471	>	timezone: AnsiString;
2472	>	{$ifdef FPC_HAS_TYPE_EXTENDED}
2473	>	FloatValue: Extended;
2474	>	{$else}
2475	>	FloatValue: Double;
2476	>	{$endif}
2477	>	Int64Value: Int64;
2478	>	BCDValue: TBCD;
2479	>	aScale: integer;
2480		begin
2481		CheckActive;
2482		if IsNullable then
2483		IsNull := False;
2484	<	case SQLTYPE of
2484	>	with FFirebirdClientAPI do
2485	>	case getColMetaData.SQLTYPE of
2486		SQL_BOOLEAN:
2487		if AnsiCompareText(Value,STrue) = 0 then
2488		AsBoolean := true
#	Line 1763 | Line 2493 | begin
2493		IBError(ibxeInvalidDataConversion,[nil]);
2494
2495		SQL_BLOB:
2496	+	if Length(Value) < GetAttachment.GetInlineBlobLimit then
2497	+	DoSetString
2498	+	else
2499		begin
2500		Changing;
2501		b := FIBXSQLVAR.CreateBlob;
#	Line 1775 | Line 2508 | begin
2508		SQL_TEXT:
2509		DoSetString;
2510
2511	<	SQL_SHORT,
2512	<	SQL_LONG,
2513	<	SQL_INT64:
2514	<	if TryStrToCurr(Value,CurrValue) then
2515	<	SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale)
2511	>	SQL_SHORT,
2512	>	SQL_LONG,
2513	>	SQL_INT64:
2514	>	if TryStrToNumeric(Value,Int64Value,aScale) then
2515	>	begin
2516	>	if aScale = 0 then
2517	>	SetAsInt64(Int64Value)
2518		else
2519	<	DoSetString;
2519	>	SetAsNumeric(Int64Value,aScale);
2520	>	end
2521	>	else
2522	>	if TryStrToFloat(Value,FloatValue) then
2523	>	SetAsDouble(FloatValue)
2524	>	else
2525	>	DoSetString;
2526
2527	<	SQL_D_FLOAT,
2528	<	SQL_DOUBLE,
2529	<	SQL_FLOAT:
2530	<	if TryStrToFloat(Value,FloatValue) then
2531	<	SetAsDouble(FloatValue)
2532	<	else
2533	<	DoSetString;
2527	>	SQL_DEC_FIXED,
2528	>	SQL_DEC16,
2529	>	SQL_DEC34,
2530	>	SQL_INT128:
2531	>	if TryStrToBCD(Value,BCDValue) then
2532	>	SetAsBCD(BCDValue)
2533	>	else
2534	>	DoSetString;
2535
2536	<	SQL_TIMESTAMP:
2536	>	SQL_D_FLOAT,
2537	>	SQL_DOUBLE,
2538	>	SQL_FLOAT:
2539	>	if TryStrToFloat(Value,FloatValue) then
2540	>	SetAsDouble(FloatValue)
2541	>	else
2542	>	DoSetString;
2543	>
2544	>	SQL_TIMESTAMP:
2545		if TryStrToDateTime(Value,dt) then
2546		SetAsDateTime(dt)
2547		else
2548		DoSetString;
2549
2550	<	SQL_TYPE_DATE:
2550	>	SQL_TYPE_DATE:
2551		if TryStrToDateTime(Value,dt) then
2552		SetAsDate(dt)
2553		else
2554		DoSetString;
2555
2556	<	SQL_TYPE_TIME:
2556	>	SQL_TYPE_TIME:
2557		if TryStrToDateTime(Value,dt) then
2558		SetAsTime(dt)
2559		else
2560		DoSetString;
2561
2562	<	else
2563	<	IBError(ibxeInvalidDataConversion,[nil]);
2562	>	SQL_TIMESTAMP_TZ,
2563	>	SQL_TIMESTAMP_TZ_EX:
2564	>	if ParseDateTimeTZString(value,dt,timezone) then
2565	>	SetAsDateTime(dt,timezone)
2566	>	else
2567	>	DoSetString;
2568	>
2569	>	SQL_TIME_TZ,
2570	>	SQL_TIME_TZ_EX:
2571	>	if ParseDateTimeTZString(value,dt,timezone,true) then
2572	>	SetAsTime(dt,GetAttachment.GetTimeZoneServices.GetTimeTZDate,timezone)
2573	>	else
2574	>	DoSetString;
2575	>
2576	>	else
2577	>	IBError(ibxeInvalidDataConversion,[GetSQLTypeName(getColMetaData.SQLTYPE)]);
2578		end;
2579		end;
2580
#	Line 1848 | Line 2612 | begin
2612		IsNull := true;
2613		end;
2614
2615	+	function TSQLParam.getColMetadata: IParamMetaData;
2616	+	begin
2617	+	Result := FIBXSQLVAR.getColMetadata;
2618	+	end;
2619	+
2620		function TSQLParam.GetModified: boolean;
2621		begin
2622		CheckActive;
#	Line 1861 | Line 2630 | begin
2630		Result := inherited GetAsPointer;
2631		end;
2632
2633	+	function TSQLParam.GetAsString: AnsiString;
2634	+	var rs: RawByteString;
2635	+	begin
2636	+	Result := '';
2637	+	if (SQLType = SQL_VARYING) and not IsNull then
2638	+	{SQLData points to start of string - default is to length word}
2639	+	begin
2640	+	CheckActive;
2641	+	SetString(rs,PAnsiChar(SQLData),DataLength);
2642	+	SetCodePage(rs,GetCodePage,false);
2643	+	Result := rs;
2644	+	end
2645	+	else
2646	+	Result := inherited GetAsString;
2647	+	end;
2648	+
2649		procedure TSQLParam.SetName(Value: AnsiString);
2650		begin
2651		CheckActive;
#	Line 2052 | Line 2837 | begin
2837		end;
2838		end;
2839
2840	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZoneID: TFBTimeZoneID);
2841	+	var i: integer;
2842	+	OldSQLVar: TSQLVarData;
2843	+	begin
2844	+	if FIBXSQLVAR.UniqueName then
2845	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID)
2846	+	else
2847	+	with FIBXSQLVAR.Parent do
2848	+	begin
2849	+	for i := 0 to Count - 1 do
2850	+	if Column[i].Name = Name then
2851	+	begin
2852	+	OldSQLVar := FIBXSQLVAR;
2853	+	FIBXSQLVAR := Column[i];
2854	+	try
2855	+	inherited SetAsTime(AValue,OnDate, aTimeZoneID);
2856	+	finally
2857	+	FIBXSQLVAR := OldSQLVar;
2858	+	end;
2859	+	end;
2860	+	end;
2861	+	end;
2862	+
2863	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; OnDate: TDateTime; aTimeZone: AnsiString);
2864	+	var i: integer;
2865	+	OldSQLVar: TSQLVarData;
2866	+	begin
2867	+	if FIBXSQLVAR.UniqueName then
2868	+	inherited SetAsTime(AValue,OnDate,aTimeZone)
2869	+	else
2870	+	with FIBXSQLVAR.Parent do
2871	+	begin
2872	+	for i := 0 to Count - 1 do
2873	+	if Column[i].Name = Name then
2874	+	begin
2875	+	OldSQLVar := FIBXSQLVAR;
2876	+	FIBXSQLVAR := Column[i];
2877	+	try
2878	+	inherited SetAsTime(AValue,OnDate,aTimeZone);
2879	+	finally
2880	+	FIBXSQLVAR := OldSQLVar;
2881	+	end;
2882	+	end;
2883	+	end;
2884	+	end;
2885	+
2886	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID);
2887	+	begin
2888	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZoneID);
2889	+	end;
2890	+
2891	+	procedure TSQLParam.SetAsTime(aValue: TDateTime; aTimeZone: AnsiString);
2892	+	begin
2893	+	SetAsTime(aValue,GetTimeZoneServices.GetTimeTZDate,aTimeZone);
2894	+	end;
2895	+
2896		procedure TSQLParam.SetAsDateTime(AValue: TDateTime);
2897		var i: integer;
2898		OldSQLVar: TSQLVarData;
#	Line 2075 | Line 2916 | begin
2916		end;
2917		end;
2918
2919	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZoneID: TFBTimeZoneID
2920	+	);
2921	+	var i: integer;
2922	+	OldSQLVar: TSQLVarData;
2923	+	begin
2924	+	if FIBXSQLVAR.UniqueName then
2925	+	inherited SetAsDateTime(AValue,aTimeZoneID)
2926	+	else
2927	+	with FIBXSQLVAR.Parent do
2928	+	begin
2929	+	for i := 0 to Count - 1 do
2930	+	if Column[i].Name = Name then
2931	+	begin
2932	+	OldSQLVar := FIBXSQLVAR;
2933	+	FIBXSQLVAR := Column[i];
2934	+	try
2935	+	inherited SetAsDateTime(AValue,aTimeZoneID);
2936	+	finally
2937	+	FIBXSQLVAR := OldSQLVar;
2938	+	end;
2939	+	end;
2940	+	end;
2941	+	end;
2942	+
2943	+	procedure TSQLParam.SetAsDateTime(aValue: TDateTime; aTimeZone: AnsiString);
2944	+	var i: integer;
2945	+	OldSQLVar: TSQLVarData;
2946	+	begin
2947	+	if FIBXSQLVAR.UniqueName then
2948	+	inherited SetAsDateTime(AValue,aTimeZone)
2949	+	else
2950	+	with FIBXSQLVAR.Parent do
2951	+	begin
2952	+	for i := 0 to Count - 1 do
2953	+	if Column[i].Name = Name then
2954	+	begin
2955	+	OldSQLVar := FIBXSQLVAR;
2956	+	FIBXSQLVAR := Column[i];
2957	+	try
2958	+	inherited SetAsDateTime(AValue,aTimeZone);
2959	+	finally
2960	+	FIBXSQLVAR := OldSQLVar;
2961	+	end;
2962	+	end;
2963	+	end;
2964	+	end;
2965	+
2966		procedure TSQLParam.SetAsDouble(AValue: Double);
2967		var i: integer;
2968		OldSQLVar: TSQLVarData;
#	Line 2255 | Line 3143 | begin
3143		FIBXSQLVAR.SetCharSetID(aValue);
3144		end;
3145
3146	+	procedure TSQLParam.SetAsBcd(aValue: tBCD);
3147	+	var i: integer;
3148	+	OldSQLVar: TSQLVarData;
3149	+	begin
3150	+	if FIBXSQLVAR.UniqueName then
3151	+	inherited SetAsBcd(AValue)
3152	+	else
3153	+	with FIBXSQLVAR.Parent do
3154	+	begin
3155	+	for i := 0 to Count - 1 do
3156	+	if Column[i].Name = Name then
3157	+	begin
3158	+	OldSQLVar := FIBXSQLVAR;
3159	+	FIBXSQLVAR := Column[i];
3160	+	try
3161	+	inherited SetAsBcd(AValue);
3162	+	finally
3163	+	FIBXSQLVAR := OldSQLVar;
3164	+	end;
3165	+	end;
3166	+	end;
3167	+	end;
3168	+
3169		{ TMetaData }
3170
3171		procedure TMetaData.CheckActive;
#	Line 2410 | Line 3321 | begin
3321		if not FResults.CheckStatementStatus(ssPrepared)  then
3322		IBError(ibxeStatementNotPrepared, [nil]);
3323
3324	<	with GetTransaction as TFBTransaction do
3324	>	with GetTransaction do
3325		if not InTransaction or (FResults.TransactionSeqNo <> FTransactionSeqNo) then
3326		IBError(ibxeInterfaceOutofDate,[nil]);
3327		end;
3328
3329		function TResults.GetISQLData(aIBXSQLVAR: TSQLVarData): ISQLData;
3330	+	var col: TIBSQLData;
3331		begin
3332		if (aIBXSQLVAR.Index < 0) or (aIBXSQLVAR.Index >= getCount) then
3333		IBError(ibxeInvalidColumnIndex,[nil]);
3334
3335		if not HasInterface(aIBXSQLVAR.Index) then
3336		AddInterface(aIBXSQLVAR.Index, TIBSQLData.Create(self,aIBXSQLVAR));
3337	<	Result := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3337	>	col := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
3338	>	col.FTransaction := GetTransaction;
3339	>	Result := col;
3340		end;
3341
3342		constructor TResults.Create(aResults: TSQLDataArea);
#	Line 2479 | Line 3393 | begin
3393		FResults.GetData(index,IsNull, len,data);
3394		end;
3395
3396	+	function TResults.GetStatement: IStatement;
3397	+	begin
3398	+	Result := FStatement;
3399	+	end;
3400	+
3401		function TResults.GetTransaction: ITransaction;
3402		begin
3403		Result := FStatement.GetTransaction;

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