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; |
125 |
|
function GetDateFormatStr(IncludeTime: boolean): AnsiString; |
126 |
|
function GetTimeFormatStr: AnsiString; |
127 |
|
function GetTimestampFormatStr: AnsiString; |
129 |
|
procedure InternalGetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint; |
130 |
|
var aTimezone: AnsiString; var aTimeZoneID: TFBTimeZoneID); |
131 |
|
protected |
135 |
– |
function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64; |
136 |
– |
function AdjustScaleFromDouble(Value: Double; aScale: Integer): Int64; |
132 |
|
procedure CheckActive; virtual; |
133 |
|
procedure CheckTZSupport; |
134 |
|
function GetAttachment: IAttachment; virtual; abstract; |
135 |
+ |
function GetTransaction: ITransaction; virtual; abstract; |
136 |
|
function GetSQLDialect: integer; virtual; abstract; |
137 |
|
function GetTimeZoneServices: IExTimeZoneServices; virtual; |
138 |
|
procedure Changed; virtual; |
150 |
|
property FirebirdClientAPI: TFBClientAPI read FFirebirdClientAPI; |
151 |
|
public |
152 |
|
constructor Create(api: TFBClientAPI); |
153 |
< |
function GetSQLType: cardinal; virtual; abstract; |
153 |
> |
function CanChangeMetaData: boolean; virtual; |
154 |
> |
function GetSQLType: cardinal; virtual; abstract; {Current Field Data SQL Type} |
155 |
|
function GetSQLTypeName: AnsiString; overload; |
156 |
< |
class function GetSQLTypeName(SQLType: short): AnsiString; overload; |
156 |
> |
class function GetSQLTypeName(SQLType: cardinal): AnsiString; overload; |
157 |
|
function GetStrDataLength: short; |
158 |
+ |
function getColMetadata: IParamMetaData; virtual; abstract; |
159 |
|
function GetName: AnsiString; virtual; abstract; |
160 |
< |
function GetScale: integer; virtual; abstract; |
160 |
> |
function GetScale: integer; virtual; abstract; {Current Field Data scale} |
161 |
|
function GetAsBoolean: boolean; |
162 |
|
function GetAsCurrency: Currency; |
163 |
|
function GetAsInt64: Int64; |
176 |
|
function GetAsQuad: TISC_QUAD; |
177 |
|
function GetAsShort: short; |
178 |
|
function GetAsString: AnsiString; virtual; |
179 |
+ |
function GetAsNumeric: IFBNumeric; |
180 |
|
function GetIsNull: Boolean; virtual; |
181 |
|
function GetIsNullable: boolean; virtual; |
182 |
|
function GetAsVariant: Variant; |
204 |
|
procedure SetAsShort(Value: short); virtual; |
205 |
|
procedure SetAsString(Value: AnsiString); virtual; |
206 |
|
procedure SetAsVariant(Value: Variant); |
207 |
< |
procedure SetAsNumeric(Value: Int64; aScale: integer); |
207 |
> |
procedure SetAsNumeric(Value: IFBNumeric); virtual; |
208 |
|
procedure SetAsBcd(aValue: tBCD); virtual; |
209 |
|
procedure SetIsNull(Value: Boolean); virtual; |
210 |
|
procedure SetIsNullable(Value: Boolean); virtual; |
246 |
|
FUniqueRelationName: AnsiString; |
247 |
|
FColumnList: array of TSQLVarData; |
248 |
|
function GetStatement: IStatement; virtual; abstract; |
249 |
+ |
function GetAttachment: IAttachment; virtual; |
250 |
+ |
function GetTransaction: ITransaction; virtual; |
251 |
|
function GetPrepareSeqNo: integer; virtual; abstract; |
252 |
|
function GetTransactionSeqNo: integer; virtual; abstract; |
253 |
|
procedure SetCount(aValue: integer); virtual; abstract; |
268 |
|
write FCaseSensitiveParams; {Only used when IsInputDataArea true} |
269 |
|
function CanChangeMetaData: boolean; virtual; abstract; |
270 |
|
property Count: integer read GetCount; |
271 |
< |
property Column[index: integer]: TSQLVarData read GetColumn; |
271 |
> |
property Column[index: integer]: TSQLVarData read GetColumn; default; |
272 |
|
property UniqueRelationName: AnsiString read FUniqueRelationName; |
273 |
|
property Statement: IStatement read GetStatement; |
274 |
+ |
property Attachment: IAttachment read GetAttachment; |
275 |
|
property PrepareSeqNo: integer read GetPrepareSeqNo; |
276 |
+ |
property Transaction: ITransaction read GetTransaction; |
277 |
|
property TransactionSeqNo: integer read GetTransactionSeqNo; |
278 |
|
end; |
279 |
|
|
287 |
|
FModified: boolean; |
288 |
|
FUniqueName: boolean; |
289 |
|
FVarString: RawByteString; |
290 |
+ |
FColMetaData: IParamMetaData; |
291 |
|
function GetStatement: IStatement; |
292 |
|
procedure SetName(AValue: AnsiString); |
293 |
|
protected |
294 |
< |
function GetAttachment: IAttachment; virtual; abstract; |
294 |
> |
FArrayIntf: IArray; |
295 |
> |
function GetAttachment: IAttachment; |
296 |
> |
function GetTransaction: ITransaction; |
297 |
|
function GetSQLType: cardinal; virtual; abstract; |
298 |
|
function GetSubtype: integer; virtual; abstract; |
299 |
|
function GetAliasName: AnsiString; virtual; abstract; |
302 |
|
function GetRelationName: AnsiString; virtual; abstract; |
303 |
|
function GetScale: integer; virtual; abstract; |
304 |
|
function GetCharSetID: cardinal; virtual; abstract; |
305 |
< |
function GetCharSetWidth: integer; virtual; abstract; |
306 |
< |
function GetCodePage: TSystemCodePage; virtual; abstract; |
305 |
> |
function GetCharSetWidth: integer; |
306 |
> |
function GetCodePage: TSystemCodePage; |
307 |
|
function GetIsNull: Boolean; virtual; abstract; |
308 |
|
function GetIsNullable: boolean; virtual; abstract; |
309 |
|
function GetSQLData: PByte; virtual; abstract; |
310 |
|
function GetDataLength: cardinal; virtual; abstract; {current field length} |
311 |
|
function GetSize: cardinal; virtual; abstract; {field length as given by metadata} |
312 |
|
function GetDefaultTextSQLType: cardinal; virtual; abstract; |
313 |
+ |
procedure InternalSetSQLType(aValue: cardinal); virtual; abstract; |
314 |
+ |
procedure InternalSetScale(aValue: integer); virtual; abstract; |
315 |
+ |
procedure InternalSetDataLength(len: cardinal); virtual; abstract; |
316 |
|
procedure SetIsNull(Value: Boolean); virtual; abstract; |
317 |
|
procedure SetIsNullable(Value: Boolean); virtual; abstract; |
318 |
|
procedure SetSQLData(AValue: PByte; len: cardinal); virtual; abstract; |
319 |
< |
procedure SetScale(aValue: integer); virtual; abstract; |
320 |
< |
procedure SetDataLength(len: cardinal); virtual; abstract; |
321 |
< |
procedure SetSQLType(aValue: cardinal); virtual; abstract; |
319 |
> |
procedure SetScale(aValue: integer); |
320 |
> |
procedure SetDataLength(len: cardinal); |
321 |
> |
procedure SetSQLType(aValue: cardinal); |
322 |
|
procedure SetCharSetID(aValue: cardinal); virtual; abstract; |
323 |
|
procedure SetMetaSize(aValue: cardinal); virtual; |
324 |
|
public |
325 |
|
constructor Create(aParent: TSQLDataArea; aIndex: integer); |
326 |
+ |
function CanChangeMetaData: boolean; |
327 |
|
procedure SetString(aValue: AnsiString); |
328 |
|
procedure Changed; virtual; |
329 |
|
procedure RowChange; virtual; |
330 |
< |
function GetAsArray(Array_ID: TISC_QUAD): IArray; virtual; abstract; |
330 |
> |
function GetAsArray: IArray; virtual; abstract; |
331 |
|
function GetAsBlob(Blob_ID: TISC_QUAD; BPB: IBPB): IBlob; virtual; abstract; |
332 |
|
function CreateBlob: IBlob; virtual; abstract; |
333 |
|
function GetArrayMetaData: IArrayMetaData; virtual; abstract; |
334 |
|
function GetBlobMetaData: IBlobMetaData; virtual; abstract; |
335 |
+ |
function getColMetadata: IParamMetaData; |
336 |
|
procedure Initialize; virtual; |
337 |
+ |
procedure SaveMetaData; |
338 |
+ |
procedure SetArray(AValue: IArray); |
339 |
|
|
340 |
|
public |
341 |
|
property AliasName: AnsiString read GetAliasName; |
346 |
|
property Index: integer read FIndex; |
347 |
|
property Name: AnsiString read FName write SetName; |
348 |
|
property CharSetID: cardinal read GetCharSetID write SetCharSetID; |
349 |
+ |
property CodePage: TSystemCodePage read GetCodePage; |
350 |
|
property SQLType: cardinal read GetSQLType write SetSQLType; |
351 |
|
property SQLSubtype: integer read GetSubtype; |
352 |
|
property SQLData: PByte read GetSQLData; |
362 |
|
|
363 |
|
{ TColumnMetaData } |
364 |
|
|
365 |
< |
TColumnMetaData = class(TSQLDataItem,IColumnMetaData) |
365 |
> |
TColumnMetaData = class(TSQLDataItem,IColumnMetaData,IParamMetaData) |
366 |
|
private |
367 |
|
FIBXSQLVAR: TSQLVarData; |
368 |
|
FOwner: IUnknown; {Keep reference to ensure Metadata/statement not discarded} |
370 |
|
FChangeSeqNo: integer; |
371 |
|
protected |
372 |
|
procedure CheckActive; override; |
359 |
– |
function GetAttachment: IAttachment; override; |
373 |
|
function SQLData: PByte; override; |
374 |
|
function GetDataLength: cardinal; override; |
375 |
|
function GetCodePage: TSystemCodePage; override; |
378 |
|
constructor Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData); |
379 |
|
destructor Destroy; override; |
380 |
|
function GetSQLDialect: integer; override; |
381 |
+ |
function getColMetadata: IParamMetaData; override; |
382 |
|
|
383 |
|
public |
384 |
|
{IColumnMetaData} |
398 |
|
function GetArrayMetaData: IArrayMetaData; |
399 |
|
function GetBlobMetaData: IBlobMetaData; |
400 |
|
function GetStatement: IStatement; |
401 |
< |
function GetTransaction: ITransaction; virtual; |
401 |
> |
function GetTransaction: ITransaction; override; |
402 |
> |
function GetAttachment: IAttachment; override; |
403 |
|
property Name: AnsiString read GetName; |
404 |
|
property Size: cardinal read GetSize; |
405 |
|
property CharSetID: cardinal read getCharSetID; |
412 |
|
{ TIBSQLData } |
413 |
|
|
414 |
|
TIBSQLData = class(TColumnMetaData,ISQLData) |
400 |
– |
private |
401 |
– |
FTransaction: ITransaction; |
415 |
|
protected |
416 |
|
procedure CheckActive; override; |
417 |
|
public |
405 |
– |
function GetTransaction: ITransaction; override; |
418 |
|
function GetIsNull: Boolean; override; |
419 |
|
function GetAsArray: IArray; |
420 |
|
function GetAsBlob: IBlob; overload; |
423 |
|
property AsBlob: IBlob read GetAsBlob; |
424 |
|
end; |
425 |
|
|
426 |
+ |
{ TSQLParamMetaData } |
427 |
+ |
|
428 |
+ |
TSQLParamMetaData = class(TFBInterfacedObject,IParamMetaData) |
429 |
+ |
private |
430 |
+ |
FSQLType: cardinal; |
431 |
+ |
FSQLSubType: integer; |
432 |
+ |
FScale: integer; |
433 |
+ |
FCharSetID: cardinal; |
434 |
+ |
FNullable: boolean; |
435 |
+ |
FSize: cardinal; |
436 |
+ |
FCodePage: TSystemCodePage; |
437 |
+ |
public |
438 |
+ |
constructor Create(src: TSQLVarData); |
439 |
+ |
{IParamMetaData} |
440 |
+ |
function GetSQLType: cardinal; |
441 |
+ |
function GetSQLTypeName: AnsiString; |
442 |
+ |
function getSubtype: integer; |
443 |
+ |
function getScale: integer; |
444 |
+ |
function getCharSetID: cardinal; |
445 |
+ |
function getCodePage: TSystemCodePage; |
446 |
+ |
function getIsNullable: boolean; |
447 |
+ |
function GetSize: cardinal; |
448 |
+ |
property SQLType: cardinal read GetSQLType; |
449 |
+ |
end; |
450 |
+ |
|
451 |
|
{ TSQLParam } |
452 |
|
|
453 |
|
TSQLParam = class(TIBSQLData,ISQLParam,ISQLData) |
460 |
|
procedure SetSQLType(aValue: cardinal); override; |
461 |
|
public |
462 |
|
procedure Clear; |
463 |
+ |
function CanChangeMetaData: boolean; override; |
464 |
+ |
function getColMetadata: IParamMetaData; override; |
465 |
|
function GetModified: boolean; override; |
466 |
|
function GetAsPointer: Pointer; |
467 |
|
function GetAsString: AnsiString; override; |
494 |
|
procedure SetAsQuad(AValue: TISC_QUAD); |
495 |
|
procedure SetCharSetID(aValue: cardinal); |
496 |
|
procedure SetAsBcd(aValue: tBCD); |
497 |
+ |
procedure SetAsNumeric(aValue: IFBNumeric); |
498 |
|
|
499 |
|
property AsBlob: IBlob read GetAsBlob write SetAsBlob; |
500 |
|
property IsNullable: Boolean read GetIsNullable write SetIsNullable; |
535 |
|
{ISQLParams} |
536 |
|
function getCount: integer; |
537 |
|
function getSQLParam(index: integer): ISQLParam; |
538 |
< |
function ByName(Idx: AnsiString): ISQLParam ; |
538 |
> |
function ByName(Idx: AnsiString): ISQLParam ; virtual; |
539 |
|
function GetModified: Boolean; |
540 |
|
function GetHasCaseSensitiveParams: Boolean; |
541 |
+ |
function GetStatement: IStatement; |
542 |
+ |
function GetTransaction: ITransaction; |
543 |
+ |
function GetAttachment: IAttachment; |
544 |
+ |
procedure Clear; |
545 |
|
end; |
546 |
|
|
547 |
|
{ TResults } |
560 |
|
constructor Create(aResults: TSQLDataArea); |
561 |
|
{IResults} |
562 |
|
function getCount: integer; |
563 |
< |
function ByName(Idx: AnsiString): ISQLData; |
563 |
> |
function ByName(Idx: AnsiString): ISQLData; virtual; |
564 |
|
function getSQLData(index: integer): ISQLData; |
565 |
|
procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte); |
566 |
|
function GetStatement: IStatement; |
567 |
< |
function GetTransaction: ITransaction; virtual; |
567 |
> |
function GetTransaction: ITransaction; |
568 |
> |
function GetAttachment: IAttachment; |
569 |
|
procedure SetRetainInterfaces(aValue: boolean); |
570 |
|
end; |
571 |
|
|
572 |
|
implementation |
573 |
|
|
574 |
< |
uses FBMessages, variants, IBUtils, FBTransaction, DateUtils; |
574 |
> |
uses FBMessages, variants, IBUtils, FBTransaction, FBNumeric, DateUtils; |
575 |
> |
|
576 |
> |
{ TSQLParamMetaData } |
577 |
> |
|
578 |
> |
constructor TSQLParamMetaData.Create(src: TSQLVarData); |
579 |
> |
begin |
580 |
> |
inherited Create; |
581 |
> |
FSQLType := src.GetSQLType; |
582 |
> |
FSQLSubType := src.getSubtype; |
583 |
> |
FScale := src.GetScale; |
584 |
> |
FCharSetID := src.getCharSetID; |
585 |
> |
FNullable := src.GetIsNullable; |
586 |
> |
FSize := src.GetSize; |
587 |
> |
FCodePage := src.GetCodePage; |
588 |
> |
end; |
589 |
> |
|
590 |
> |
function TSQLParamMetaData.GetSQLType: cardinal; |
591 |
> |
begin |
592 |
> |
Result := FSQLType; |
593 |
> |
end; |
594 |
> |
|
595 |
> |
function TSQLParamMetaData.GetSQLTypeName: AnsiString; |
596 |
> |
begin |
597 |
> |
Result := TSQLDataItem.GetSQLTypeName(FSQLType); |
598 |
> |
end; |
599 |
> |
|
600 |
> |
function TSQLParamMetaData.getSubtype: integer; |
601 |
> |
begin |
602 |
> |
Result := FSQLSubType; |
603 |
> |
end; |
604 |
> |
|
605 |
> |
function TSQLParamMetaData.getScale: integer; |
606 |
> |
begin |
607 |
> |
Result := FScale; |
608 |
> |
end; |
609 |
> |
|
610 |
> |
function TSQLParamMetaData.getCharSetID: cardinal; |
611 |
> |
begin |
612 |
> |
Result := FCharSetID; |
613 |
> |
end; |
614 |
> |
|
615 |
> |
function TSQLParamMetaData.getCodePage: TSystemCodePage; |
616 |
> |
begin |
617 |
> |
Result := FCodePage; |
618 |
> |
end; |
619 |
> |
|
620 |
> |
function TSQLParamMetaData.getIsNullable: boolean; |
621 |
> |
begin |
622 |
> |
Result := FNullable; |
623 |
> |
end; |
624 |
> |
|
625 |
> |
function TSQLParamMetaData.GetSize: cardinal; |
626 |
> |
begin |
627 |
> |
Result := FSize; |
628 |
> |
end; |
629 |
|
|
630 |
|
{ TSQLDataArea } |
631 |
|
|
641 |
|
Result := Length(FColumnList); |
642 |
|
end; |
643 |
|
|
644 |
+ |
function TSQLDataArea.GetTransaction: ITransaction; |
645 |
+ |
begin |
646 |
+ |
Result := GetStatement.GetTransaction; |
647 |
+ |
end; |
648 |
+ |
|
649 |
+ |
function TSQLDataArea.GetAttachment: IAttachment; |
650 |
+ |
begin |
651 |
+ |
Result := GetStatement.GetAttachment; |
652 |
+ |
end; |
653 |
+ |
|
654 |
|
procedure TSQLDataArea.SetUniqueRelationName; |
655 |
|
var |
656 |
|
i: Integer; |
783 |
|
FName := AValue; |
784 |
|
end; |
785 |
|
|
786 |
+ |
function TSQLVarData.GetAttachment: IAttachment; |
787 |
+ |
begin |
788 |
+ |
Result := Parent.Attachment; |
789 |
+ |
end; |
790 |
+ |
|
791 |
+ |
function TSQLVarData.GetTransaction: ITransaction; |
792 |
+ |
begin |
793 |
+ |
Result := Parent.Transaction; |
794 |
+ |
end; |
795 |
+ |
|
796 |
+ |
function TSQLVarData.GetCharSetWidth: integer; |
797 |
+ |
begin |
798 |
+ |
result := 1; |
799 |
+ |
GetAttachment.CharSetWidth(GetCharSetID,result); |
800 |
+ |
end; |
801 |
+ |
|
802 |
+ |
function TSQLVarData.GetCodePage: TSystemCodePage; |
803 |
+ |
begin |
804 |
+ |
result := CP_NONE; |
805 |
+ |
GetAttachment.CharSetID2CodePage(GetCharSetID,result); |
806 |
+ |
end; |
807 |
+ |
|
808 |
+ |
procedure TSQLVarData.SetScale(aValue: integer); |
809 |
+ |
begin |
810 |
+ |
if aValue = Scale then |
811 |
+ |
Exit; |
812 |
+ |
if not CanChangeMetaData then |
813 |
+ |
IBError(ibxeScaleCannotBeChanged,[]); |
814 |
+ |
InternalSetScale(aValue); |
815 |
+ |
end; |
816 |
+ |
|
817 |
+ |
procedure TSQLVarData.SetDataLength(len: cardinal); |
818 |
+ |
begin |
819 |
+ |
if len = DataLength then |
820 |
+ |
Exit; |
821 |
+ |
InternalSetDataLength(len); |
822 |
+ |
end; |
823 |
+ |
|
824 |
+ |
procedure TSQLVarData.SetSQLType(aValue: cardinal); |
825 |
+ |
begin |
826 |
+ |
if aValue = SQLType then |
827 |
+ |
Exit; |
828 |
+ |
if not CanChangeMetaData then |
829 |
+ |
IBError(ibxeSQLTypeUnchangeable,[TSQLDataItem.GetSQLTypeName(SQLType), |
830 |
+ |
TSQLDataItem.GetSQLTypeName(aValue)]); |
831 |
+ |
InternalSetSQLType(aValue); |
832 |
+ |
end; |
833 |
+ |
|
834 |
|
procedure TSQLVarData.SetMetaSize(aValue: cardinal); |
835 |
|
begin |
836 |
|
//Ignore |
837 |
|
end; |
838 |
|
|
839 |
+ |
procedure TSQLVarData.SaveMetaData; |
840 |
+ |
begin |
841 |
+ |
FColMetaData := TSQLParamMetaData.Create(self); |
842 |
+ |
end; |
843 |
+ |
|
844 |
+ |
procedure TSQLVarData.SetArray(AValue: IArray); |
845 |
+ |
begin |
846 |
+ |
FArrayIntf := AValue; |
847 |
+ |
end; |
848 |
+ |
|
849 |
|
constructor TSQLVarData.Create(aParent: TSQLDataArea; aIndex: integer); |
850 |
|
begin |
851 |
|
inherited Create; |
854 |
|
FUniqueName := true; |
855 |
|
end; |
856 |
|
|
857 |
+ |
function TSQLVarData.CanChangeMetaData: boolean; |
858 |
+ |
begin |
859 |
+ |
Result := Parent.CanChangeMetaData; |
860 |
+ |
end; |
861 |
+ |
|
862 |
|
procedure TSQLVarData.SetString(aValue: AnsiString); |
863 |
|
begin |
864 |
|
{we take full advantage here of reference counted strings. When setting a string |
869 |
|
FVarString := aValue; |
870 |
|
if SQLType = SQL_BLOB then |
871 |
|
SetMetaSize(GetAttachment.GetInlineBlobLimit); |
872 |
< |
SQLType := GetDefaultTextSQLType; |
872 |
> |
if CanChangeMetaData then |
873 |
> |
SQLType := GetDefaultTextSQLType; |
874 |
|
Scale := 0; |
875 |
+ |
if (SQLType <> SQL_VARYING) and (SQLType <> SQL_TEXT) then |
876 |
+ |
IBError(ibxeUnableTosetaTextType,[Index,Name,TSQLDataItem.GetSQLTypeName(SQLType)]); |
877 |
+ |
if not CanChangeMetaData and (Length(aValue) > GetSize) then |
878 |
+ |
IBError(ibxeStringOverflow,[Length(aValue),DataLength]); |
879 |
|
SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue)); |
880 |
|
end; |
881 |
|
|
886 |
|
|
887 |
|
procedure TSQLVarData.RowChange; |
888 |
|
begin |
889 |
+ |
FArrayIntf := nil; |
890 |
|
FModified := false; |
891 |
|
FVarString := ''; |
892 |
|
end; |
893 |
|
|
894 |
+ |
function TSQLVarData.getColMetadata: IParamMetaData; |
895 |
+ |
begin |
896 |
+ |
Result := FColMetaData; |
897 |
+ |
end; |
898 |
+ |
|
899 |
|
procedure TSQLVarData.Initialize; |
900 |
|
|
901 |
|
function FindVarByName(idx: AnsiString; limit: integer): TSQLVarData; |
955 |
|
|
956 |
|
{TSQLDataItem} |
957 |
|
|
775 |
– |
function TSQLDataItem.AdjustScale(Value: Int64; aScale: Integer): Double; |
776 |
– |
var |
777 |
– |
Scaling : Int64; |
778 |
– |
i: Integer; |
779 |
– |
Val: Double; |
780 |
– |
begin |
781 |
– |
Scaling := 1; Val := Value; |
782 |
– |
if aScale > 0 then |
783 |
– |
begin |
784 |
– |
for i := 1 to aScale do |
785 |
– |
Scaling := Scaling * 10; |
786 |
– |
result := Val * Scaling; |
787 |
– |
end |
788 |
– |
else |
789 |
– |
if aScale < 0 then |
790 |
– |
begin |
791 |
– |
for i := -1 downto aScale do |
792 |
– |
Scaling := Scaling * 10; |
793 |
– |
result := Val / Scaling; |
794 |
– |
end |
795 |
– |
else |
796 |
– |
result := Val; |
797 |
– |
end; |
798 |
– |
|
799 |
– |
function TSQLDataItem.AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64; |
800 |
– |
var |
801 |
– |
Scaling : Int64; |
802 |
– |
i: Integer; |
803 |
– |
Val: Int64; |
804 |
– |
begin |
805 |
– |
Scaling := 1; Val := Value; |
806 |
– |
if aScale > 0 then begin |
807 |
– |
for i := 1 to aScale do Scaling := Scaling * 10; |
808 |
– |
result := Val * Scaling; |
809 |
– |
end else if aScale < 0 then begin |
810 |
– |
for i := -1 downto aScale do Scaling := Scaling * 10; |
811 |
– |
result := Val div Scaling; |
812 |
– |
end else |
813 |
– |
result := Val; |
814 |
– |
end; |
815 |
– |
|
816 |
– |
function TSQLDataItem.AdjustScaleToCurrency(Value: Int64; aScale: Integer |
817 |
– |
): Currency; |
818 |
– |
var |
819 |
– |
Scaling : Int64; |
820 |
– |
i : Integer; |
821 |
– |
FractionText, PadText, CurrText: AnsiString; |
822 |
– |
begin |
823 |
– |
Result := 0; |
824 |
– |
Scaling := 1; |
825 |
– |
PadText := ''; |
826 |
– |
if aScale > 0 then |
827 |
– |
begin |
828 |
– |
for i := 1 to aScale do |
829 |
– |
Scaling := Scaling * 10; |
830 |
– |
result := Value * Scaling; |
831 |
– |
end |
832 |
– |
else |
833 |
– |
if aScale < 0 then |
834 |
– |
begin |
835 |
– |
for i := -1 downto aScale do |
836 |
– |
Scaling := Scaling * 10; |
837 |
– |
FractionText := IntToStr(abs(Value mod Scaling)); |
838 |
– |
for i := Length(FractionText) to -aScale -1 do |
839 |
– |
PadText := '0' + PadText; |
840 |
– |
{$IF declared(DefaultFormatSettings)} |
841 |
– |
with DefaultFormatSettings do |
842 |
– |
{$ELSE} |
843 |
– |
{$IF declared(FormatSettings)} |
844 |
– |
with FormatSettings do |
845 |
– |
{$IFEND} |
846 |
– |
{$IFEND} |
847 |
– |
if Value < 0 then |
848 |
– |
CurrText := '-' + IntToStr(Abs(Value div Scaling)) + DecimalSeparator + PadText + FractionText |
849 |
– |
else |
850 |
– |
CurrText := IntToStr(Abs(Value div Scaling)) + DecimalSeparator + PadText + FractionText; |
851 |
– |
try |
852 |
– |
result := StrToCurr(CurrText); |
853 |
– |
except |
854 |
– |
on E: Exception do |
855 |
– |
IBError(ibxeInvalidDataConversion, [nil]); |
856 |
– |
end; |
857 |
– |
end |
858 |
– |
else |
859 |
– |
result := Value; |
860 |
– |
end; |
861 |
– |
|
958 |
|
function TSQLDataItem.GetDateFormatStr(IncludeTime: boolean): AnsiString; |
959 |
|
begin |
960 |
|
{$IF declared(DefaultFormatSettings)} |
1052 |
|
end; |
1053 |
|
end; |
1054 |
|
|
959 |
– |
function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer |
960 |
– |
): Int64; |
961 |
– |
var |
962 |
– |
Scaling : Int64; |
963 |
– |
i : Integer; |
964 |
– |
begin |
965 |
– |
Result := 0; |
966 |
– |
Scaling := 1; |
967 |
– |
if aScale < 0 then |
968 |
– |
begin |
969 |
– |
for i := -1 downto aScale do |
970 |
– |
Scaling := Scaling * 10; |
971 |
– |
result := trunc(Value * Scaling); |
972 |
– |
end |
973 |
– |
else |
974 |
– |
if aScale > 0 then |
975 |
– |
begin |
976 |
– |
for i := 1 to aScale do |
977 |
– |
Scaling := Scaling * 10; |
978 |
– |
result := trunc(Value / Scaling); |
979 |
– |
end |
980 |
– |
else |
981 |
– |
result := trunc(Value); |
982 |
– |
end; |
983 |
– |
|
984 |
– |
function TSQLDataItem.AdjustScaleFromDouble(Value: Double; aScale: Integer |
985 |
– |
): Int64; |
986 |
– |
var |
987 |
– |
Scaling : Int64; |
988 |
– |
i : Integer; |
989 |
– |
begin |
990 |
– |
Result := 0; |
991 |
– |
Scaling := 1; |
992 |
– |
if aScale < 0 then |
993 |
– |
begin |
994 |
– |
for i := -1 downto aScale do |
995 |
– |
Scaling := Scaling * 10; |
996 |
– |
result := trunc(Value * Scaling); |
997 |
– |
end |
998 |
– |
else |
999 |
– |
if aScale > 0 then |
1000 |
– |
begin |
1001 |
– |
for i := 1 to aScale do |
1002 |
– |
Scaling := Scaling * 10; |
1003 |
– |
result := trunc(Value / Scaling); |
1004 |
– |
end |
1005 |
– |
else |
1006 |
– |
result := trunc(Value); |
1007 |
– |
end; |
1008 |
– |
|
1055 |
|
procedure TSQLDataItem.CheckActive; |
1056 |
|
begin |
1057 |
|
//Do nothing by default |
1118 |
|
FFirebirdClientAPI := api; |
1119 |
|
end; |
1120 |
|
|
1121 |
+ |
function TSQLDataItem.CanChangeMetaData: boolean; |
1122 |
+ |
begin |
1123 |
+ |
Result := false; |
1124 |
+ |
end; |
1125 |
+ |
|
1126 |
|
function TSQLDataItem.GetSQLTypeName: AnsiString; |
1127 |
|
begin |
1128 |
|
Result := GetSQLTypeName(GetSQLType); |
1129 |
|
end; |
1130 |
|
|
1131 |
< |
class function TSQLDataItem.GetSQLTypeName(SQLType: short): AnsiString; |
1131 |
> |
class function TSQLDataItem.GetSQLTypeName(SQLType: cardinal): AnsiString; |
1132 |
|
begin |
1133 |
|
Result := 'Unknown'; |
1134 |
|
case SQLType of |
1198 |
|
end; |
1199 |
|
end; |
1200 |
|
SQL_SHORT: |
1201 |
< |
result := AdjustScaleToCurrency(Int64(PShort(SQLData)^), |
1202 |
< |
Scale); |
1201 |
> |
result := NumericFromRawValues(Int64(PShort(SQLData)^), |
1202 |
> |
Scale).getAsCurrency; |
1203 |
|
SQL_LONG: |
1204 |
< |
result := AdjustScaleToCurrency(Int64(PLong(SQLData)^), |
1205 |
< |
Scale); |
1204 |
> |
result := NumericFromRawValues(Int64(PLong(SQLData)^), |
1205 |
> |
Scale).getAsCurrency; |
1206 |
|
SQL_INT64: |
1207 |
< |
result := AdjustScaleToCurrency(PInt64(SQLData)^, |
1208 |
< |
Scale); |
1207 |
> |
result := NumericFromRawValues(PInt64(SQLData)^, |
1208 |
> |
Scale).getAsCurrency; |
1209 |
|
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
1210 |
|
result := Round(AsDouble); |
1211 |
|
|
1236 |
|
end; |
1237 |
|
end; |
1238 |
|
SQL_SHORT: |
1239 |
< |
result := AdjustScaleToInt64(Int64(PShort(SQLData)^), |
1240 |
< |
Scale); |
1239 |
> |
result := NumericFromRawValues(Int64(PShort(SQLData)^), |
1240 |
> |
Scale).getAsInt64; |
1241 |
|
SQL_LONG: |
1242 |
< |
result := AdjustScaleToInt64(Int64(PLong(SQLData)^), |
1243 |
< |
Scale); |
1242 |
> |
result := NumericFromRawValues(Int64(PLong(SQLData)^), |
1243 |
> |
Scale).getAsInt64; |
1244 |
|
SQL_INT64: |
1245 |
< |
result := AdjustScaleToInt64(PInt64(SQLData)^, |
1246 |
< |
Scale); |
1245 |
> |
result := NumericFromRawValues(PInt64(SQLData)^, |
1246 |
> |
Scale).getAsInt64; |
1247 |
|
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
1248 |
|
result := Round(AsDouble); |
1249 |
|
else |
1372 |
|
end; |
1373 |
|
end; |
1374 |
|
SQL_SHORT: |
1375 |
< |
result := AdjustScale(Int64(PShort(SQLData)^), |
1376 |
< |
Scale); |
1375 |
> |
result := NumericFromRawValues(Int64(PShort(SQLData)^), |
1376 |
> |
Scale).getAsDouble; |
1377 |
|
SQL_LONG: |
1378 |
< |
result := AdjustScale(Int64(PLong(SQLData)^), |
1379 |
< |
Scale); |
1378 |
> |
result := NumericFromRawValues(Int64(PLong(SQLData)^), |
1379 |
> |
Scale).getAsDouble; |
1380 |
|
SQL_INT64: |
1381 |
< |
result := AdjustScale(PInt64(SQLData)^, Scale); |
1381 |
> |
result := NumericFromRawValues(PInt64(SQLData)^, Scale).getAsDouble; |
1382 |
|
SQL_FLOAT: |
1383 |
|
result := PFloat(SQLData)^; |
1384 |
|
SQL_DOUBLE, SQL_D_FLOAT: |
1424 |
|
end; |
1425 |
|
end; |
1426 |
|
SQL_SHORT: |
1427 |
< |
result := Round(AdjustScale(Int64(PShort(SQLData)^), |
1428 |
< |
Scale)); |
1427 |
> |
result := NumericFromRawValues(Int64(PShort(SQLData)^), |
1428 |
> |
Scale).getAsInteger; |
1429 |
|
SQL_LONG: |
1430 |
< |
result := Round(AdjustScale(Int64(PLong(SQLData)^), |
1431 |
< |
Scale)); |
1430 |
> |
result := NumericFromRawValues(Int64(PLong(SQLData)^), |
1431 |
> |
Scale).getAsInteger; |
1432 |
|
SQL_INT64: |
1433 |
< |
result := Round(AdjustScale(PInt64(SQLData)^, Scale)); |
1433 |
> |
result := NumericFromRawValues(PInt64(SQLData)^, Scale).getAsInteger; |
1434 |
> |
|
1435 |
|
SQL_DOUBLE, SQL_FLOAT, SQL_D_FLOAT: |
1436 |
|
result := Round(AsDouble); |
1437 |
|
SQL_DEC_FIXED, |
1528 |
|
function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer; |
1529 |
|
var i: integer; |
1530 |
|
cplen: integer; |
1479 |
– |
s: AnsiString; |
1531 |
|
begin |
1532 |
|
Result := 0; |
1482 |
– |
s := strpas(p); |
1533 |
|
for i := 1 to FieldWidth do |
1534 |
|
begin |
1535 |
|
cplen := UTF8CodepointSizeFull(p); |
1646 |
|
result := Int128ToStr(SQLData,scale); |
1647 |
|
|
1648 |
|
else |
1649 |
< |
IBError(ibxeInvalidDataConversion, [nil]); |
1649 |
> |
IBError(ibxeInvalidDataConversion, [GetSQLTypeName]); |
1650 |
|
end; |
1651 |
|
end; |
1652 |
|
|
1653 |
+ |
function TSQLDataItem.GetAsNumeric: IFBNumeric; |
1654 |
+ |
var aValue: Int64; |
1655 |
+ |
begin |
1656 |
+ |
case SQLType of |
1657 |
+ |
SQL_TEXT, SQL_VARYING: |
1658 |
+ |
Result := StrToNumeric(GetAsString); |
1659 |
+ |
|
1660 |
+ |
SQL_SHORT: |
1661 |
+ |
Result := NumericFromRawValues(PShort(SQLData)^, Scale); |
1662 |
+ |
|
1663 |
+ |
SQL_LONG: |
1664 |
+ |
Result := NumericFromRawValues(PLong(SQLData)^, Scale); |
1665 |
+ |
|
1666 |
+ |
SQL_INT64: |
1667 |
+ |
Result := NumericFromRawValues(PInt64(SQLData)^, Scale); |
1668 |
+ |
|
1669 |
+ |
SQL_DEC16, |
1670 |
+ |
SQL_DEC34, |
1671 |
+ |
SQL_DEC_FIXED, |
1672 |
+ |
SQL_INT128: |
1673 |
+ |
Result := BCDToNumeric(GetAsBCD); |
1674 |
+ |
|
1675 |
+ |
else |
1676 |
+ |
IBError(ibxeInvalidDataConversion, [nil]); |
1677 |
+ |
end; |
1678 |
+ |
end; |
1679 |
+ |
|
1680 |
|
function TSQLDataItem.GetIsNull: Boolean; |
1681 |
|
begin |
1682 |
|
CheckActive; |
1815 |
|
if GetSQLDialect < 3 then |
1816 |
|
AsDouble := Value |
1817 |
|
else |
1818 |
+ |
if not CanChangeMetaData and ((SQLType <> SQL_INT64) or (Scale <> -4)) then |
1819 |
+ |
SetAsNumeric(CurrToNumeric(Value)) |
1820 |
+ |
else |
1821 |
|
begin |
1822 |
|
Changing; |
1823 |
|
if IsNullable then |
1833 |
|
procedure TSQLDataItem.SetAsInt64(Value: Int64); |
1834 |
|
begin |
1835 |
|
CheckActive; |
1836 |
< |
Changing; |
1837 |
< |
if IsNullable then |
1838 |
< |
IsNull := False; |
1836 |
> |
if not CanChangeMetaData and ((SQLType <> SQL_INT64) or (Scale <> 0)) then |
1837 |
> |
SetAsNumeric(IntToNumeric(Value)) |
1838 |
> |
else |
1839 |
> |
begin |
1840 |
> |
Changing; |
1841 |
> |
if IsNullable then |
1842 |
> |
IsNull := False; |
1843 |
|
|
1844 |
< |
SQLType := SQL_INT64; |
1845 |
< |
Scale := 0; |
1846 |
< |
DataLength := SizeOf(Int64); |
1847 |
< |
PInt64(SQLData)^ := Value; |
1848 |
< |
Changed; |
1844 |
> |
SQLType := SQL_INT64; |
1845 |
> |
Scale := 0; |
1846 |
> |
DataLength := SizeOf(Int64); |
1847 |
> |
PInt64(SQLData)^ := Value; |
1848 |
> |
Changed; |
1849 |
> |
end; |
1850 |
|
end; |
1851 |
|
|
1852 |
|
procedure TSQLDataItem.SetAsDate(Value: TDateTime); |
1981 |
|
procedure TSQLDataItem.SetAsDouble(Value: Double); |
1982 |
|
begin |
1983 |
|
CheckActive; |
1984 |
< |
if IsNullable then |
1985 |
< |
IsNull := False; |
1984 |
> |
if not CanChangeMetaData and (SQLType <> SQL_DOUBLE) then |
1985 |
> |
SetAsNumeric(DoubleToNumeric(Value)) |
1986 |
> |
else |
1987 |
> |
begin |
1988 |
> |
if IsNullable then |
1989 |
> |
IsNull := False; |
1990 |
|
|
1991 |
< |
Changing; |
1992 |
< |
SQLType := SQL_DOUBLE; |
1993 |
< |
DataLength := SizeOf(Double); |
1994 |
< |
Scale := 0; |
1995 |
< |
PDouble(SQLData)^ := Value; |
1996 |
< |
Changed; |
1991 |
> |
Changing; |
1992 |
> |
SQLType := SQL_DOUBLE; |
1993 |
> |
DataLength := SizeOf(Double); |
1994 |
> |
Scale := 0; |
1995 |
> |
PDouble(SQLData)^ := Value; |
1996 |
> |
Changed; |
1997 |
> |
end; |
1998 |
|
end; |
1999 |
|
|
2000 |
|
procedure TSQLDataItem.SetAsFloat(Value: Float); |
2001 |
|
begin |
2002 |
|
CheckActive; |
2003 |
< |
if IsNullable then |
2004 |
< |
IsNull := False; |
2003 |
> |
if not CanChangeMetaData and (SQLType <> SQL_FLOAT) then |
2004 |
> |
SetAsNumeric(DoubleToNumeric(Value)) |
2005 |
> |
else |
2006 |
> |
begin |
2007 |
> |
if IsNullable then |
2008 |
> |
IsNull := False; |
2009 |
|
|
2010 |
< |
Changing; |
2011 |
< |
SQLType := SQL_FLOAT; |
2012 |
< |
DataLength := SizeOf(Float); |
2013 |
< |
Scale := 0; |
2014 |
< |
PSingle(SQLData)^ := Value; |
2015 |
< |
Changed; |
2010 |
> |
Changing; |
2011 |
> |
SQLType := SQL_FLOAT; |
2012 |
> |
DataLength := SizeOf(Float); |
2013 |
> |
Scale := 0; |
2014 |
> |
PSingle(SQLData)^ := Value; |
2015 |
> |
Changed; |
2016 |
> |
end; |
2017 |
|
end; |
2018 |
|
|
2019 |
|
procedure TSQLDataItem.SetAsLong(Value: Long); |
2020 |
|
begin |
2021 |
|
CheckActive; |
2022 |
< |
if IsNullable then |
2023 |
< |
IsNull := False; |
2022 |
> |
if not CanChangeMetaData and ((SQLType <> SQL_LONG) or (Scale <> 0)) then |
2023 |
> |
SetAsNumeric(IntToNumeric(Value)) |
2024 |
> |
else |
2025 |
> |
begin |
2026 |
> |
if IsNullable then |
2027 |
> |
IsNull := False; |
2028 |
|
|
2029 |
< |
Changing; |
2030 |
< |
SQLType := SQL_LONG; |
2031 |
< |
DataLength := SizeOf(Long); |
2032 |
< |
Scale := 0; |
2033 |
< |
PLong(SQLData)^ := Value; |
2034 |
< |
Changed; |
2029 |
> |
Changing; |
2030 |
> |
SQLType := SQL_LONG; |
2031 |
> |
DataLength := SizeOf(Long); |
2032 |
> |
Scale := 0; |
2033 |
> |
PLong(SQLData)^ := Value; |
2034 |
> |
Changed; |
2035 |
> |
end; |
2036 |
|
end; |
2037 |
|
|
2038 |
|
procedure TSQLDataItem.SetAsPointer(Value: Pointer); |
2067 |
|
procedure TSQLDataItem.SetAsShort(Value: short); |
2068 |
|
begin |
2069 |
|
CheckActive; |
2070 |
< |
Changing; |
2071 |
< |
if IsNullable then |
2072 |
< |
IsNull := False; |
2070 |
> |
if not CanChangeMetaData and ((SQLType <> SQL_SHORT) or (Scale <> 0)) then |
2071 |
> |
SetAsNumeric(IntToNumeric(Value)) |
2072 |
> |
else |
2073 |
> |
begin |
2074 |
> |
Changing; |
2075 |
> |
if IsNullable then |
2076 |
> |
IsNull := False; |
2077 |
|
|
2078 |
< |
SQLType := SQL_SHORT; |
2079 |
< |
DataLength := SizeOf(Short); |
2080 |
< |
Scale := 0; |
2081 |
< |
PShort(SQLData)^ := Value; |
2082 |
< |
Changed; |
2078 |
> |
SQLType := SQL_SHORT; |
2079 |
> |
DataLength := SizeOf(Short); |
2080 |
> |
Scale := 0; |
2081 |
> |
PShort(SQLData)^ := Value; |
2082 |
> |
Changed; |
2083 |
> |
end; |
2084 |
|
end; |
2085 |
|
|
2086 |
|
procedure TSQLDataItem.SetAsString(Value: AnsiString); |
2099 |
|
else case VarType(Value) of |
2100 |
|
varEmpty, varNull: |
2101 |
|
IsNull := True; |
2102 |
< |
varSmallint, varInteger, varByte, |
2103 |
< |
varWord, varShortInt: |
2104 |
< |
AsLong := Value; |
2000 |
< |
varInt64: |
2001 |
< |
AsInt64 := Value; |
2102 |
> |
varSmallint, varInteger, varByte, varLongWord, |
2103 |
> |
varWord, varShortInt, varInt64: |
2104 |
> |
SetAsNumeric(IntToNumeric(Int64(Value))); |
2105 |
|
varSingle, varDouble: |
2106 |
|
AsDouble := Value; |
2107 |
|
varCurrency: |
2108 |
< |
AsCurrency := Value; |
2108 |
> |
SetAsNumeric(CurrToNumeric(Currency(Value))); |
2109 |
|
varBoolean: |
2110 |
|
AsBoolean := Value; |
2111 |
|
varDate: |
2124 |
|
end; |
2125 |
|
end; |
2126 |
|
|
2127 |
< |
procedure TSQLDataItem.SetAsNumeric(Value: Int64; aScale: integer); |
2127 |
> |
procedure TSQLDataItem.SetAsNumeric(Value: IFBNumeric); |
2128 |
|
begin |
2129 |
|
CheckActive; |
2130 |
|
Changing; |
2131 |
|
if IsNullable then |
2132 |
|
IsNull := False; |
2133 |
|
|
2134 |
< |
SQLType := SQL_INT64; |
2135 |
< |
Scale := aScale; |
2136 |
< |
DataLength := SizeOf(Int64); |
2137 |
< |
PInt64(SQLData)^ := Value; |
2134 |
> |
if CanChangeMetadata then |
2135 |
> |
begin |
2136 |
> |
{Restore original values} |
2137 |
> |
SQLType := getColMetadata.GetSQLType; |
2138 |
> |
Scale := getColMetadata.getScale; |
2139 |
> |
SetDataLength(getColMetadata.GetSize); |
2140 |
> |
end; |
2141 |
> |
|
2142 |
> |
with FFirebirdClientAPI do |
2143 |
> |
case GetSQLType of |
2144 |
> |
SQL_LONG: |
2145 |
> |
PLong(SQLData)^ := SafeInteger(Value.AdjustScaleTo(Scale).getRawValue); |
2146 |
> |
SQL_SHORT: |
2147 |
> |
PShort(SQLData)^ := SafeSmallInt(Value.AdjustScaleTo(Scale).getRawValue); |
2148 |
> |
SQL_INT64: |
2149 |
> |
PInt64(SQLData)^ := Value.AdjustScaleTo(Scale).getRawValue; |
2150 |
> |
SQL_TEXT, SQL_VARYING: |
2151 |
> |
SetAsString(Value.getAsString); |
2152 |
> |
SQL_D_FLOAT, |
2153 |
> |
SQL_DOUBLE: |
2154 |
> |
PDouble(SQLData)^ := Value.getAsDouble; |
2155 |
> |
SQL_FLOAT: |
2156 |
> |
PSingle(SQLData)^ := Value.getAsDouble; |
2157 |
> |
SQL_DEC_FIXED, |
2158 |
> |
SQL_DEC16, |
2159 |
> |
SQL_DEC34: |
2160 |
> |
SQLDecFloatEncode(Value.getAsBCD,SQLType,SQLData); |
2161 |
> |
SQL_INT128: |
2162 |
> |
StrToInt128(Scale,Value.getAsString,SQLData); |
2163 |
> |
else |
2164 |
> |
IBError(ibxeInvalidDataConversion, [nil]); |
2165 |
> |
end; |
2166 |
|
Changed; |
2167 |
|
end; |
2168 |
|
|
2169 |
|
procedure TSQLDataItem.SetAsBcd(aValue: tBCD); |
2039 |
– |
var C: Currency; |
2170 |
|
begin |
2171 |
|
CheckActive; |
2172 |
|
Changing; |
2173 |
|
if IsNullable then |
2174 |
|
IsNull := False; |
2175 |
|
|
2176 |
+ |
if not CanChangeMetaData then |
2177 |
+ |
begin |
2178 |
+ |
SetAsNumeric(BCDToNumeric(aValue)); |
2179 |
+ |
Exit; |
2180 |
+ |
end; |
2181 |
|
|
2182 |
|
with FFirebirdClientAPI do |
2183 |
|
if aValue.Precision <= 16 then |
2247 |
|
|
2248 |
|
function TColumnMetaData.GetAttachment: IAttachment; |
2249 |
|
begin |
2250 |
< |
Result := GetStatement.GetAttachment; |
2250 |
> |
Result := FIBXSQLVAR.GetAttachment; |
2251 |
|
end; |
2252 |
|
|
2253 |
|
function TColumnMetaData.SQLData: PByte; |
2267 |
|
|
2268 |
|
constructor TColumnMetaData.Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData); |
2269 |
|
begin |
2270 |
< |
inherited Create(aIBXSQLVAR.GetStatement.GetAttachment.getFirebirdAPI as TFBClientAPI); |
2270 |
> |
inherited Create(aIBXSQLVAR.GetAttachment.getFirebirdAPI as TFBClientAPI); |
2271 |
|
FIBXSQLVAR := aIBXSQLVAR; |
2272 |
|
FOwner := aOwner; |
2273 |
|
FPrepareSeqNo := FIBXSQLVAR.Parent.PrepareSeqNo; |
2283 |
|
|
2284 |
|
function TColumnMetaData.GetSQLDialect: integer; |
2285 |
|
begin |
2286 |
< |
Result := FIBXSQLVAR.Statement.GetSQLDialect; |
2286 |
> |
Result := FIBXSQLVAR.GetAttachment.GetSQLDialect; |
2287 |
> |
end; |
2288 |
> |
|
2289 |
> |
function TColumnMetaData.getColMetadata: IParamMetaData; |
2290 |
> |
begin |
2291 |
> |
Result := self; |
2292 |
|
end; |
2293 |
|
|
2294 |
|
function TColumnMetaData.GetIndex: integer; |
2387 |
|
|
2388 |
|
function TColumnMetaData.GetTransaction: ITransaction; |
2389 |
|
begin |
2390 |
< |
Result := GetStatement.GetTransaction; |
2390 |
> |
Result := FIBXSQLVAR.GetTransaction; |
2391 |
|
end; |
2392 |
|
|
2393 |
|
{ TIBSQLData } |
2409 |
|
IBError(ibxeBOF,[nil]); |
2410 |
|
end; |
2411 |
|
|
2272 |
– |
function TIBSQLData.GetTransaction: ITransaction; |
2273 |
– |
begin |
2274 |
– |
if FTransaction = nil then |
2275 |
– |
Result := inherited GetTransaction |
2276 |
– |
else |
2277 |
– |
Result := FTransaction; |
2278 |
– |
end; |
2279 |
– |
|
2412 |
|
function TIBSQLData.GetIsNull: Boolean; |
2413 |
|
begin |
2414 |
|
CheckActive; |
2418 |
|
function TIBSQLData.GetAsArray: IArray; |
2419 |
|
begin |
2420 |
|
CheckActive; |
2421 |
< |
result := FIBXSQLVAR.GetAsArray(AsQuad); |
2421 |
> |
result := FIBXSQLVAR.GetAsArray; |
2422 |
|
end; |
2423 |
|
|
2424 |
|
function TIBSQLData.GetAsBlob: IBlob; |
2462 |
|
|
2463 |
|
var b: IBlob; |
2464 |
|
dt: TDateTime; |
2333 |
– |
CurrValue: Currency; |
2334 |
– |
FloatValue: single; |
2465 |
|
timezone: AnsiString; |
2466 |
+ |
Int64Value: Int64; |
2467 |
+ |
BCDValue: TBCD; |
2468 |
+ |
aScale: integer; |
2469 |
|
begin |
2470 |
|
CheckActive; |
2471 |
|
if IsNullable then |
2497 |
|
SQL_TEXT: |
2498 |
|
DoSetString; |
2499 |
|
|
2500 |
< |
SQL_SHORT, |
2501 |
< |
SQL_LONG, |
2502 |
< |
SQL_INT64: |
2503 |
< |
if TryStrToCurr(Value,CurrValue) then |
2504 |
< |
SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale) |
2505 |
< |
else |
2506 |
< |
DoSetString; |
2500 |
> |
SQL_SHORT, |
2501 |
> |
SQL_LONG, |
2502 |
> |
SQL_INT64: |
2503 |
> |
if TryStrToNumeric(Value,Int64Value,aScale) then |
2504 |
> |
SetAsNumeric(NumericFromRawValues(Int64Value,aScale)) |
2505 |
> |
else |
2506 |
> |
DoSetString; |
2507 |
|
|
2508 |
< |
SQL_D_FLOAT, |
2509 |
< |
SQL_DOUBLE, |
2510 |
< |
SQL_FLOAT: |
2511 |
< |
if TryStrToFloat(Value,FloatValue) then |
2512 |
< |
SetAsDouble(FloatValue) |
2513 |
< |
else |
2514 |
< |
DoSetString; |
2508 |
> |
SQL_DEC_FIXED, |
2509 |
> |
SQL_DEC16, |
2510 |
> |
SQL_DEC34, |
2511 |
> |
SQL_INT128: |
2512 |
> |
if TryStrToBCD(Value,BCDValue) then |
2513 |
> |
SetAsNumeric(BCDToNumeric(BCDValue)) |
2514 |
> |
else |
2515 |
> |
DoSetString; |
2516 |
|
|
2517 |
< |
SQL_TIMESTAMP: |
2517 |
> |
SQL_D_FLOAT, |
2518 |
> |
SQL_DOUBLE, |
2519 |
> |
SQL_FLOAT: |
2520 |
> |
if TryStrToNumeric(Value,Int64Value,aScale) then |
2521 |
> |
SetAsNumeric(NumericFromRawValues(Int64Value,AScale)) |
2522 |
> |
else |
2523 |
> |
DoSetString; |
2524 |
> |
|
2525 |
> |
SQL_TIMESTAMP: |
2526 |
|
if TryStrToDateTime(Value,dt) then |
2527 |
|
SetAsDateTime(dt) |
2528 |
|
else |
2529 |
|
DoSetString; |
2530 |
|
|
2531 |
< |
SQL_TYPE_DATE: |
2531 |
> |
SQL_TYPE_DATE: |
2532 |
|
if TryStrToDateTime(Value,dt) then |
2533 |
|
SetAsDate(dt) |
2534 |
|
else |
2535 |
|
DoSetString; |
2536 |
|
|
2537 |
< |
SQL_TYPE_TIME: |
2537 |
> |
SQL_TYPE_TIME: |
2538 |
|
if TryStrToDateTime(Value,dt) then |
2539 |
|
SetAsTime(dt) |
2540 |
|
else |
2541 |
|
DoSetString; |
2542 |
|
|
2543 |
< |
SQL_TIMESTAMP_TZ: |
2543 |
> |
SQL_TIMESTAMP_TZ, |
2544 |
> |
SQL_TIMESTAMP_TZ_EX: |
2545 |
|
if ParseDateTimeTZString(value,dt,timezone) then |
2546 |
|
SetAsDateTime(dt,timezone) |
2547 |
|
else |
2548 |
|
DoSetString; |
2549 |
|
|
2550 |
< |
SQL_TIME_TZ: |
2550 |
> |
SQL_TIME_TZ, |
2551 |
> |
SQL_TIME_TZ_EX: |
2552 |
|
if ParseDateTimeTZString(value,dt,timezone,true) then |
2553 |
|
SetAsTime(dt,GetAttachment.GetTimeZoneServices.GetTimeTZDate,timezone) |
2554 |
|
else |
2555 |
|
DoSetString; |
2556 |
|
|
2557 |
< |
SQL_DEC_FIXED, |
2558 |
< |
SQL_DEC16, |
2415 |
< |
SQL_DEC34, |
2416 |
< |
SQL_INT128: |
2417 |
< |
SetAsBCD(StrToBCD(Value)); |
2418 |
< |
|
2419 |
< |
else |
2420 |
< |
IBError(ibxeInvalidDataConversion,[GetSQLTypeName(SQLType)]); |
2557 |
> |
else |
2558 |
> |
IBError(ibxeInvalidDataConversion,[GetSQLTypeName(getColMetaData.SQLTYPE)]); |
2559 |
|
end; |
2560 |
|
end; |
2561 |
|
|
2593 |
|
IsNull := true; |
2594 |
|
end; |
2595 |
|
|
2596 |
+ |
function TSQLParam.CanChangeMetaData: boolean; |
2597 |
+ |
begin |
2598 |
+ |
Result := FIBXSQLVAR.CanChangeMetaData; |
2599 |
+ |
end; |
2600 |
+ |
|
2601 |
+ |
function TSQLParam.getColMetadata: IParamMetaData; |
2602 |
+ |
begin |
2603 |
+ |
Result := FIBXSQLVAR.getColMetadata; |
2604 |
+ |
end; |
2605 |
+ |
|
2606 |
|
function TSQLParam.GetModified: boolean; |
2607 |
|
begin |
2608 |
|
CheckActive; |
2677 |
|
if not FIBXSQLVAR.UniqueName then |
2678 |
|
IBError(ibxeDuplicateParamName,[FIBXSQLVAR.Name]); |
2679 |
|
|
2680 |
+ |
FIBXSQLVAR.SetArray(anArray); {save array interface} |
2681 |
|
SetAsQuad(AnArray.GetArrayID); |
2682 |
|
end; |
2683 |
|
|
3153 |
|
end; |
3154 |
|
end; |
3155 |
|
|
3156 |
+ |
procedure TSQLParam.SetAsNumeric(aValue: IFBNumeric); |
3157 |
+ |
var i: integer; |
3158 |
+ |
OldSQLVar: TSQLVarData; |
3159 |
+ |
begin |
3160 |
+ |
if FIBXSQLVAR.UniqueName then |
3161 |
+ |
inherited SetAsNumeric(AValue) |
3162 |
+ |
else |
3163 |
+ |
with FIBXSQLVAR.Parent do |
3164 |
+ |
begin |
3165 |
+ |
for i := 0 to Count - 1 do |
3166 |
+ |
if Column[i].Name = Name then |
3167 |
+ |
begin |
3168 |
+ |
OldSQLVar := FIBXSQLVAR; |
3169 |
+ |
FIBXSQLVAR := Column[i]; |
3170 |
+ |
try |
3171 |
+ |
inherited SetAsNumeric(AValue); |
3172 |
+ |
finally |
3173 |
+ |
FIBXSQLVAR := OldSQLVar; |
3174 |
+ |
end; |
3175 |
+ |
end; |
3176 |
+ |
end; |
3177 |
+ |
end; |
3178 |
+ |
|
3179 |
|
{ TMetaData } |
3180 |
|
|
3181 |
|
procedure TMetaData.CheckActive; |
3197 |
|
|
3198 |
|
destructor TMetaData.Destroy; |
3199 |
|
begin |
3200 |
< |
(FStatement as TInterfaceOwner).Remove(self); |
3200 |
> |
if FStatement <> nil then |
3201 |
> |
(FStatement as TInterfaceOwner).Remove(self); |
3202 |
|
inherited Destroy; |
3203 |
|
end; |
3204 |
|
|
3264 |
|
|
3265 |
|
destructor TSQLParams.Destroy; |
3266 |
|
begin |
3267 |
< |
(FStatement as TInterfaceOwner).Remove(self); |
3267 |
> |
if FStatement <> nil then |
3268 |
> |
(FStatement as TInterfaceOwner).Remove(self); |
3269 |
|
inherited Destroy; |
3270 |
|
end; |
3271 |
|
|
3321 |
|
Result := FSQLParams.CaseSensitiveParams; |
3322 |
|
end; |
3323 |
|
|
3324 |
+ |
function TSQLParams.GetStatement: IStatement; |
3325 |
+ |
begin |
3326 |
+ |
Result := FSQLParams.GetStatement; |
3327 |
+ |
end; |
3328 |
+ |
|
3329 |
+ |
function TSQLParams.GetTransaction: ITransaction; |
3330 |
+ |
begin |
3331 |
+ |
Result := FSQLParams.GetTransaction; |
3332 |
+ |
end; |
3333 |
+ |
|
3334 |
+ |
function TSQLParams.GetAttachment: IAttachment; |
3335 |
+ |
begin |
3336 |
+ |
Result := FSQLParams.GetAttachment; |
3337 |
+ |
end; |
3338 |
+ |
|
3339 |
+ |
procedure TSQLParams.Clear; |
3340 |
+ |
var i: integer; |
3341 |
+ |
begin |
3342 |
+ |
for i := 0 to getCount - 1 do |
3343 |
+ |
getSQLParam(i).Clear; |
3344 |
+ |
end; |
3345 |
+ |
|
3346 |
|
{ TResults } |
3347 |
|
|
3348 |
|
procedure TResults.CheckActive; |
3367 |
|
IBError(ibxeInvalidColumnIndex,[nil]); |
3368 |
|
|
3369 |
|
if not HasInterface(aIBXSQLVAR.Index) then |
3370 |
< |
AddInterface(aIBXSQLVAR.Index, TIBSQLData.Create(self,aIBXSQLVAR)); |
3371 |
< |
col := TIBSQLData(GetInterface(aIBXSQLVAR.Index)); |
3372 |
< |
col.FTransaction := GetTransaction; |
3370 |
> |
begin |
3371 |
> |
col := TIBSQLData.Create(self,aIBXSQLVAR); |
3372 |
> |
AddInterface(aIBXSQLVAR.Index, col); |
3373 |
> |
end |
3374 |
> |
else |
3375 |
> |
col := TIBSQLData(GetInterface(aIBXSQLVAR.Index)); |
3376 |
|
Result := col; |
3377 |
|
end; |
3378 |
|
|
3437 |
|
|
3438 |
|
function TResults.GetTransaction: ITransaction; |
3439 |
|
begin |
3440 |
< |
Result := FStatement.GetTransaction; |
3440 |
> |
Result := FResults.GetTransaction; |
3441 |
> |
end; |
3442 |
> |
|
3443 |
> |
function TResults.GetAttachment: IAttachment; |
3444 |
> |
begin |
3445 |
> |
Result := FResults.GetAttachment; |
3446 |
|
end; |
3447 |
|
|
3448 |
|
procedure TResults.SetRetainInterfaces(aValue: boolean); |