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Comparing:
ibx/branches/journaling/fbintf/client/FBSQLData.pas (file contents), Revision 362 by tony, Tue Dec 7 13:27:39 2021 UTC vs.
ibx/branches/udr/client/FBSQLData.pas (file contents), Revision 381 by tony, Sat Jan 15 00:06:22 2022 UTC

# Line 129 | Line 129 | type
129       procedure InternalGetAsDateTime(var aDateTime: TDateTime; var dstOffset: smallint;
130         var aTimezone: AnsiString; var aTimeZoneID: TFBTimeZoneID);
131    protected
132     function AdjustScale(Value: Int64; aScale: Integer): Double;
133     function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
134     function AdjustScaleToStr(Value: Int64; aScale: Integer): AnsiString;
135     function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
136     function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64;
137     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;
# Line 155 | Line 150 | type
150       property FirebirdClientAPI: TFBClientAPI read FFirebirdClientAPI;
151    public
152       constructor Create(api: TFBClientAPI);
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: 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; {Current Field Data scale}
161       function GetAsBoolean: boolean;
# Line 179 | Line 176 | type
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;
# Line 206 | Line 204 | type
204       procedure SetAsShort(Value: short); virtual;
205       procedure SetAsString(Value: AnsiString); virtual;
206       procedure SetAsVariant(Value: Variant);
207 <     procedure SetAsNumeric(Value: Int64; aScale: integer); virtual;
207 >     procedure SetAsNumeric(Value: IFBNumeric); virtual;
208       procedure SetAsBcd(aValue: tBCD); virtual;
209       procedure SetIsNull(Value: Boolean); virtual;
210       procedure SetIsNullable(Value: Boolean); virtual;
# Line 248 | Line 246 | type
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;
# Line 268 | Line 268 | type
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  
# Line 289 | Line 291 | type
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;
# Line 298 | Line 302 | type
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;
# Line 327 | Line 335 | type
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;
# Line 337 | Line 346 | type
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;
# Line 352 | Line 362 | type
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}
# Line 360 | Line 370 | type
370      FChangeSeqNo: integer;
371    protected
372      procedure CheckActive; override;
363    function GetAttachment: IAttachment; override;
373      function SQLData: PByte; override;
374      function GetDataLength: cardinal; override;
375      function GetCodePage: TSystemCodePage; override;
# Line 369 | Line 378 | type
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}
# Line 388 | Line 398 | type
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;
# Line 401 | Line 412 | type
412    { TIBSQLData }
413  
414    TIBSQLData = class(TColumnMetaData,ISQLData)
404  private
405    FTransaction: ITransaction;
415    protected
416      procedure CheckActive; override;
417    public
409    function GetTransaction: ITransaction; override;
418      function GetIsNull: Boolean; override;
419      function GetAsArray: IArray;
420      function GetAsBlob: IBlob; overload;
# Line 452 | Line 460 | type
460      procedure SetSQLType(aValue: cardinal); override;
461    public
462      procedure Clear;
463 <    function getColMetadata: IParamMetaData;
463 >    function CanChangeMetaData: boolean; override;
464 >    function getColMetadata: IParamMetaData; override;
465      function GetModified: boolean; override;
466      function GetAsPointer: Pointer;
467      function GetAsString: AnsiString; override;
# Line 485 | Line 494 | type
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;
# Line 525 | Line 535 | type
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 }
# Line 546 | Line 560 | type
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  
# Line 626 | Line 641 | begin
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;
# Line 758 | Line 783 | begin
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
# Line 768 | Line 841 | 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;
# Line 776 | Line 854 | begin
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
# Line 786 | Line 869 | begin
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  
# Line 798 | Line 886 | end;
886  
887   procedure TSQLVarData.RowChange;
888   begin
889 +  FArrayIntf := nil;
890    FModified := false;
891    FVarString := '';
892   end;
# Line 866 | Line 955 | end;
955  
956   {TSQLDataItem}
957  
869 function TSQLDataItem.AdjustScale(Value: Int64; aScale: Integer): Double;
870 var
871  Scaling : Int64;
872  i: Integer;
873  Val: Double;
874 begin
875  Scaling := 1; Val := Value;
876  if aScale > 0 then
877  begin
878    for i := 1 to aScale do
879      Scaling := Scaling * 10;
880    result := Val * Scaling;
881  end
882  else
883    if aScale < 0 then
884    begin
885      for i := -1 downto aScale do
886        Scaling := Scaling * 10;
887      result := Val / Scaling;
888    end
889    else
890      result := Val;
891 end;
892
893 function TSQLDataItem.AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
894 var
895  Scaling : Int64;
896  i: Integer;
897  Val: Int64;
898 begin
899  Scaling := 1; Val := Value;
900  if aScale > 0 then begin
901    for i := 1 to aScale do Scaling := Scaling * 10;
902    result := Val * Scaling;
903  end else if aScale < 0 then begin
904    for i := -1 downto aScale do Scaling := Scaling * 10;
905    result := Val div Scaling;
906  end else
907    result := Val;
908 end;
909
910 function TSQLDataItem.AdjustScaleToStr(Value: Int64; aScale: Integer
911  ): AnsiString;
912 var Scaling : AnsiString;
913    i: Integer;
914 begin
915  Result := IntToStr(Value);
916  Scaling := '';
917  if aScale > 0 then
918  begin
919    for i := 1 to aScale do
920      Result := Result + '0';
921  end
922  else
923  if aScale < 0 then
924  {$IF declared(DefaultFormatSettings)}
925  with DefaultFormatSettings do
926  {$ELSE}
927  {$IF declared(FormatSettings)}
928  with FormatSettings do
929  {$IFEND}
930  {$IFEND}
931  begin
932    if Length(Result) > -aScale then
933      system.Insert(DecimalSeparator,Result,Length(Result) + aScale)
934    else
935    begin
936      Scaling := '0' + DecimalSeparator;
937      for i := -1 downto aScale + Length(Result) do
938        Scaling := Scaling + '0';
939      Result := Scaling + Result;
940    end;
941  end;
942 end;
943
944 function TSQLDataItem.AdjustScaleToCurrency(Value: Int64; aScale: Integer
945  ): Currency;
946 var
947  Scaling : Int64;
948  i : Integer;
949  FractionText, PadText, CurrText: AnsiString;
950 begin
951  Result := 0;
952  Scaling := 1;
953  PadText := '';
954  if aScale > 0 then
955  begin
956    for i := 1 to aScale do
957      Scaling := Scaling * 10;
958    result := Value * Scaling;
959  end
960  else
961    if aScale < 0 then
962    begin
963      for i := -1 downto aScale do
964        Scaling := Scaling * 10;
965      FractionText := IntToStr(abs(Value mod Scaling));
966      for i := Length(FractionText) to -aScale -1 do
967        PadText := '0' + PadText;
968      {$IF declared(DefaultFormatSettings)}
969      with DefaultFormatSettings do
970      {$ELSE}
971      {$IF declared(FormatSettings)}
972      with FormatSettings do
973      {$IFEND}
974      {$IFEND}
975      if Value < 0 then
976        CurrText := '-' + IntToStr(Abs(Value div Scaling)) + DecimalSeparator + PadText + FractionText
977      else
978        CurrText := IntToStr(Abs(Value div Scaling)) + DecimalSeparator + PadText + FractionText;
979      try
980        result := StrToCurr(CurrText);
981      except
982        on E: Exception do
983          IBError(ibxeInvalidDataConversion, [nil]);
984      end;
985    end
986    else
987      result := Value;
988 end;
989
958   function TSQLDataItem.GetDateFormatStr(IncludeTime: boolean): AnsiString;
959   begin
960    {$IF declared(DefaultFormatSettings)}
# Line 1084 | Line 1052 | begin
1052      end;
1053   end;
1054  
1087 function TSQLDataItem.AdjustScaleFromCurrency(Value: Currency; aScale: Integer
1088  ): Int64;
1089 var
1090  Scaling : Int64;
1091  i : Integer;
1092 begin
1093  Result := 0;
1094  Scaling := 1;
1095  if aScale < 0 then
1096  begin
1097    for i := -1 downto aScale do
1098      Scaling := Scaling * 10;
1099    result := trunc(Value * Scaling);
1100  end
1101  else
1102  if aScale > 0 then
1103  begin
1104    for i := 1 to aScale do
1105       Scaling := Scaling * 10;
1106    result := trunc(Value / Scaling);
1107  end
1108  else
1109    result := trunc(Value);
1110 end;
1111
1112 function TSQLDataItem.AdjustScaleFromDouble(Value: Double; aScale: Integer
1113  ): Int64;
1114 var
1115  Scaling : Int64;
1116  i : Integer;
1117 begin
1118  Result := 0;
1119  Scaling := 1;
1120  if aScale < 0 then
1121  begin
1122    for i := -1 downto aScale do
1123      Scaling := Scaling * 10;
1124    result := trunc(Value * Scaling);
1125  end
1126  else
1127  if aScale > 0 then
1128  begin
1129    for i := 1 to aScale do
1130       Scaling := Scaling * 10;
1131    result := trunc(Value / Scaling);
1132  end
1133  else
1134    result := trunc(Value);
1135 //  writeln('Adjusted ',Value,' to ',Result);
1136 end;
1137
1055   procedure TSQLDataItem.CheckActive;
1056   begin
1057    //Do nothing by default
# Line 1201 | Line 1118 | begin
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);
# Line 1276 | Line 1198 | begin
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  
# Line 1314 | Line 1236 | begin
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
# Line 1450 | Line 1372 | begin
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:
# Line 1502 | Line 1424 | begin
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,
# Line 1605 | Line 1528 | end;
1528   function GetStrLen(p: PAnsiChar; FieldWidth, MaxDataLength: cardinal): integer;
1529   var i: integer;
1530      cplen: integer;
1608    s: AnsiString;
1531   begin
1532    Result := 0;
1611  s := strpas(p);
1533    for i := 1 to FieldWidth do
1534    begin
1535      cplen := UTF8CodepointSizeFull(p);
# Line 1725 | Line 1646 | begin
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;
# Line 1867 | Line 1815 | begin
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
# Line 1882 | Line 1833 | end;
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);
# Line 2025 | Line 1981 | end;
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);
# Line 2096 | Line 2067 | end;
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);
# Line 2123 | Line 2099 | begin
2099    else case VarType(Value) of
2100      varEmpty, varNull:
2101        IsNull := True;
2102 <    varSmallint, varInteger, varByte,
2103 <      varWord, varShortInt:
2104 <      AsLong := Value;
2129 <    varInt64:
2130 <      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:
# Line 2150 | Line 2124 | begin
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);
2168 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
# Line 2241 | Line 2247 | end;
2247  
2248   function TColumnMetaData.GetAttachment: IAttachment;
2249   begin
2250 <  Result := GetStatement.GetAttachment;
2250 >  Result := FIBXSQLVAR.GetAttachment;
2251   end;
2252  
2253   function TColumnMetaData.SQLData: PByte;
# Line 2261 | Line 2267 | end;
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;
# Line 2277 | Line 2283 | end;
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;
# Line 2376 | Line 2387 | end;
2387  
2388   function TColumnMetaData.GetTransaction: ITransaction;
2389   begin
2390 <  Result := GetStatement.GetTransaction;
2390 >  Result := FIBXSQLVAR.GetTransaction;
2391   end;
2392  
2393   { TIBSQLData }
# Line 2398 | Line 2409 | begin
2409      IBError(ibxeBOF,[nil]);
2410   end;
2411  
2401 function TIBSQLData.GetTransaction: ITransaction;
2402 begin
2403  if FTransaction = nil then
2404    Result := inherited GetTransaction
2405  else
2406    Result := FTransaction;
2407 end;
2408
2412   function TIBSQLData.GetIsNull: Boolean;
2413   begin
2414    CheckActive;
# Line 2415 | Line 2418 | end;
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;
# Line 2468 | Line 2471 | begin
2471    if IsNullable then
2472      IsNull := False;
2473    with FFirebirdClientAPI do
2474 <  case getColMetaData.SQLTYPE of
2474 >  case SQLTYPE of
2475    SQL_BOOLEAN:
2476      if AnsiCompareText(Value,STrue) = 0 then
2477        AsBoolean := true
# Line 2498 | Line 2501 | begin
2501    SQL_LONG,
2502    SQL_INT64:
2503      if TryStrToNumeric(Value,Int64Value,aScale) then
2504 <      SetAsNumeric(Int64Value,aScale)
2504 >      SetAsNumeric(NumericFromRawValues(Int64Value,aScale))
2505      else
2506        DoSetString;
2507  
# Line 2507 | Line 2510 | begin
2510    SQL_DEC34,
2511    SQL_INT128:
2512      if TryStrToBCD(Value,BCDValue) then
2513 <      SetAsBCD(BCDValue)
2513 >      SetAsNumeric(BCDToNumeric(BCDValue))
2514      else
2515        DoSetString;
2516  
# Line 2515 | Line 2518 | begin
2518    SQL_DOUBLE,
2519    SQL_FLOAT:
2520      if TryStrToNumeric(Value,Int64Value,aScale) then
2521 <      SetAsDouble(NumericToDouble(Int64Value,aScale))
2521 >      SetAsNumeric(NumericFromRawValues(Int64Value,AScale))
2522      else
2523        DoSetString;
2524  
# Line 2590 | Line 2593 | begin
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;
# Line 2669 | Line 2677 | begin
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  
# Line 3144 | Line 3153 | begin
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;
# Line 3165 | Line 3197 | end;
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  
# Line 3231 | Line 3264 | end;
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  
# Line 3287 | Line 3321 | begin
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;
# Line 3311 | Line 3367 | begin
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  
# Line 3378 | Line 3437 | end;
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);

Comparing:
ibx/branches/journaling/fbintf/client/FBSQLData.pas (property svn:eol-style), Revision 362 by tony, Tue Dec 7 13:27:39 2021 UTC vs.
ibx/branches/udr/client/FBSQLData.pas (property svn:eol-style), Revision 381 by tony, Sat Jan 15 00:06:22 2022 UTC

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