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Comparing ibx/trunk/fbintf/client/FBSQLData.pas (file contents):
Revision 263 by tony, Thu Dec 6 15:55:01 2018 UTC vs.
Revision 309 by tony, Tue Jul 21 08:00:42 2020 UTC

# Line 76 | Line 76 | unit FBSQLData;
76    methods are needed for SQL parameters only. The string getters and setters
77    are virtual as SQLVar and Array encodings of string data is different.}
78  
79 { Note on SQL Parameter Names
80  --------------------------------------------
81
82  IBX processes parameter names case insensitive. This does result in some additional
83  overhead due to a call to "AnsiUpperCase". This can be avoided by undefining
84  "UseCaseInSensitiveParamName" below.
85
86 }
87 {$define UseCaseInSensitiveParamName}
79  
80   interface
81  
82   uses
83 <  Classes, SysUtils, IBExternals, IBHeader, IB,  FBActivityMonitor, FBClientAPI;
83 >  Classes, SysUtils, IBExternals, IBHeader, {$IFDEF WINDOWS} Windows, {$ENDIF} IB,  FBActivityMonitor, FBClientAPI;
84  
85   type
86  
# Line 101 | Line 92 | type
92       function AdjustScale(Value: Int64; aScale: Integer): Double;
93       function AdjustScaleToInt64(Value: Int64; aScale: Integer): Int64;
94       function AdjustScaleToCurrency(Value: Int64; aScale: Integer): Currency;
95 +     function GetTimestampFormatStr: AnsiString;
96 +     function GetDateFormatStr(IncludeTime: boolean): AnsiString;
97 +     function GetTimeFormatStr: AnsiString;
98       procedure SetAsInteger(AValue: Integer);
99    protected
100       function AdjustScaleFromCurrency(Value: Currency; aScale: Integer): Int64;
# Line 125 | Line 119 | type
119       function GetSQLType: cardinal; virtual; abstract;
120       function GetSQLTypeName: AnsiString; overload;
121       class function GetSQLTypeName(SQLType: short): AnsiString; overload;
122 +     function GetStrDataLength: short;
123       function GetName: AnsiString; virtual; abstract;
124       function GetScale: integer; virtual; abstract;
125       function GetAsBoolean: boolean;
# Line 142 | Line 137 | type
137       function GetIsNullable: boolean; virtual;
138       function GetAsVariant: Variant;
139       function GetModified: boolean; virtual;
140 +     function GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats): integer;
141 +     function GetSize: cardinal; virtual; abstract;
142 +     function GetCharSetWidth: integer; virtual; abstract;
143       procedure SetAsBoolean(AValue: boolean); virtual;
144       procedure SetAsCurrency(Value: Currency); virtual;
145       procedure SetAsInt64(Value: Int64); virtual;
# Line 190 | Line 188 | type
188  
189    TSQLDataArea = class
190    private
191 +    FCaseSensitiveParams: boolean;
192      function GetColumn(index: integer): TSQLVarData;
193      function GetCount: integer;
194    protected
# Line 212 | Line 211 | type
211        var data: PByte); virtual;
212      procedure RowChange;
213      function StateChanged(var ChangeSeqNo: integer): boolean; virtual; abstract;
214 +    property CaseSensitiveParams: boolean read FCaseSensitiveParams
215 +                                            write FCaseSensitiveParams; {Only used when IsInputDataArea true}
216      property Count: integer read GetCount;
217      property Column[index: integer]: TSQLVarData read GetColumn;
218      property UniqueRelationName: AnsiString read FUniqueRelationName;
# Line 241 | Line 242 | type
242      function GetRelationName: AnsiString;  virtual; abstract;
243      function GetScale: integer; virtual; abstract;
244      function GetCharSetID: cardinal; virtual; abstract;
245 +    function GetCharSetWidth: integer; virtual; abstract;
246      function GetCodePage: TSystemCodePage; virtual; abstract;
247      function GetIsNull: Boolean;   virtual; abstract;
248      function GetIsNullable: boolean; virtual; abstract;
# Line 294 | Line 296 | type
296      FIBXSQLVAR: TSQLVarData;
297      FOwner: IUnknown;         {Keep reference to ensure Metadata/statement not discarded}
298      FPrepareSeqNo: integer;
297    FStatement: IStatement;
299      FChangeSeqNo: integer;
300    protected
301      procedure CheckActive; override;
# Line 306 | Line 307 | type
307      constructor Create(aOwner: IUnknown; aIBXSQLVAR: TSQLVarData);
308      destructor Destroy; override;
309      function GetSQLDialect: integer; override;
309    property Statement: IStatement read FStatement;
310  
311    public
312      {IColumnMetaData}
# Line 321 | Line 321 | type
321      function GetScale: integer; override;
322      function getCharSetID: cardinal; override;
323      function GetIsNullable: boolean; override;
324 <    function GetSize: cardinal;
324 >    function GetSize: cardinal; override;
325 >    function GetCharSetWidth: integer; override;
326      function GetArrayMetaData: IArrayMetaData;
327      function GetBlobMetaData: IBlobMetaData;
328 +    function GetStatement: IStatement;
329 +    function GetTransaction: ITransaction; virtual;
330      property Name: AnsiString read GetName;
331      property Size: cardinal read GetSize;
332      property CharSetID: cardinal read getCharSetID;
333      property SQLSubtype: integer read getSubtype;
334      property IsNullable: Boolean read GetIsNullable;
335 +  public
336 +    property Statement: IStatement read GetStatement;
337    end;
338  
339    { TIBSQLData }
340  
341    TIBSQLData = class(TColumnMetaData,ISQLData)
342 +  private
343 +    FTransaction: ITransaction;
344    protected
345      procedure CheckActive; override;
346    public
347 +    function GetTransaction: ITransaction; override;
348      function GetIsNull: Boolean; override;
349      function GetAsArray: IArray;
350      function GetAsBlob: IBlob; overload;
# Line 423 | Line 431 | type
431      function getSQLParam(index: integer): ISQLParam;
432      function ByName(Idx: AnsiString): ISQLParam ;
433      function GetModified: Boolean;
434 +    function GetHasCaseSensitiveParams: Boolean;
435    end;
436  
437    { TResults }
# Line 444 | Line 453 | type
453       function ByName(Idx: AnsiString): ISQLData;
454       function getSQLData(index: integer): ISQLData;
455       procedure GetData(index: integer; var IsNull:boolean; var len: short; var data: PByte);
456 +     function GetStatement: IStatement;
457       function GetTransaction: ITransaction; virtual;
458       procedure SetRetainInterfaces(aValue: boolean);
459   end;
460  
461   implementation
462  
463 < uses FBMessages, variants, IBUtils, FBTransaction;
454 <
455 < type
456 <
457 <   { TSQLParamProcessor }
458 <
459 <   TSQLParamProcessor = class(TSQLwithNamedParamsTokeniser)
460 <   private
461 <   const
462 <     sIBXParam = 'IBXParam';  {do not localize}
463 <   private
464 <     FInString: AnsiString;
465 <     FIndex: integer;
466 <     function DoExecute(GenerateParamNames: boolean;
467 <       var slNames: TStrings): AnsiString;
468 <   protected
469 <     function GetChar: AnsiChar; override;
470 <   public
471 <     class function Execute(sSQL: AnsiString; GenerateParamNames: boolean;
472 <       var slNames: TStrings): AnsiString;
473 <   end;
474 <
475 < { TSQLParamProcessor }
476 <
477 < function TSQLParamProcessor.DoExecute(GenerateParamNames: boolean;
478 <  var slNames: TStrings): AnsiString;
479 < var token: TSQLTokens;
480 <    iParamSuffix: Integer;
481 < begin
482 <  Result := '';
483 <  iParamSuffix := 0;
484 <
485 <  while not EOF do
486 <  begin
487 <    token := GetNextToken;
488 <    case token of
489 <    sqltParam,
490 <    sqltQuotedParam:
491 <      begin
492 <        Result := Result + '?';
493 <        slNames.Add(TokenText);
494 <      end;
495 <
496 <    sqltPlaceHolder:
497 <      if GenerateParamNames then
498 <      begin
499 <        Inc(iParamSuffix);
500 <        slNames.AddObject(sIBXParam + IntToStr(iParamSuffix),self); //Note local convention
501 <                                            //add pointer to self to mark entry
502 <        Result := Result + '?';
503 <      end
504 <      else
505 <        IBError(ibxeSQLParseError, [SParamNameExpected]);
506 <
507 <    sqltQuotedString:
508 <      Result := Result + '''' + SQLSafeString(TokenText) + '''';
509 <
510 <    sqltIdentifierInDoubleQuotes:
511 <      Result := Result + '"' + StringReplace(TokenText,'"','""',[rfReplaceAll]) + '"';
512 <
513 <    sqltComment:
514 <      Result := Result + '/*' + TokenText + '*/';
515 <
516 <    sqltCommentLine:
517 <      Result := Result + '//' + TokenText + LineEnding;
518 <
519 <    sqltEOL:
520 <      Result := Result + LineEnding;
521 <
522 <    else
523 <      Result := Result + TokenText;
524 <    end;
525 <  end;
526 < end;
527 <
528 < function TSQLParamProcessor.GetChar: AnsiChar;
529 < begin
530 <  if FIndex <= Length(FInString) then
531 <  begin
532 <    Result := FInString[FIndex];
533 <    Inc(FIndex);
534 <  end
535 <  else
536 <    Result := #0;
537 < end;
538 <
539 < class function TSQLParamProcessor.Execute(sSQL: AnsiString;
540 <  GenerateParamNames: boolean; var slNames: TStrings): AnsiString;
541 < begin
542 <  with self.Create do
543 <  try
544 <    FInString := sSQL;
545 <    FIndex := 1;
546 <    Result := DoExecute(GenerateParamNames,slNames);
547 <  finally
548 <    Free;
549 <  end;
550 < end;
551 <
463 > uses FBMessages, variants, IBUtils, FBTransaction, DateUtils;
464  
465   { TSQLDataArea }
466  
# Line 654 | Line 566 | var
566    s: AnsiString;
567    i: Integer;
568   begin
569 <  {$ifdef UseCaseInSensitiveParamName}
570 <   s := AnsiUpperCase(Idx);
571 <  {$else}
569 >  if not IsInputDataArea or not CaseSensitiveParams then
570 >   s := AnsiUpperCase(Idx)
571 >  else
572     s := Idx;
573 <  {$endif}
573 >
574    for i := 0 to Count - 1 do
575      if Column[i].Name = s then
576      begin
# Line 690 | Line 602 | end;
602  
603   procedure TSQLVarData.SetName(AValue: AnsiString);
604   begin
605 <  if FName = AValue then Exit;
694 <  {$ifdef UseCaseInSensitiveParamName}
695 <  if Parent.IsInputDataArea then
605 >  if not Parent.IsInputDataArea or not Parent.CaseSensitiveParams then
606      FName := AnsiUpperCase(AValue)
607    else
698  {$endif}
608      FName := AValue;
609   end;
610  
# Line 716 | Line 625 | begin
625  
626    FVarString := aValue;
627    SQLType := SQL_TEXT;
628 +  Scale := 0;
629    SetSQLData(PByte(PAnsiChar(FVarString)),Length(aValue));
630   end;
631  
# Line 876 | Line 786 | begin
786        result := Value;
787   end;
788  
789 + function TSQLDataItem.GetDateFormatStr(IncludeTime: boolean): AnsiString;
790 + begin
791 +  {$IF declared(DefaultFormatSettings)}
792 +  with DefaultFormatSettings do
793 +  {$ELSE}
794 +  {$IF declared(FormatSettings)}
795 +  with FormatSettings do
796 +  {$IFEND}
797 +  {$IFEND}
798 +  case GetSQLDialect of
799 +    1:
800 +      if IncludeTime then
801 +        result := ShortDateFormat + ' ' + LongTimeFormat
802 +      else
803 +        result := ShortDateFormat;
804 +    3:
805 +      result := ShortDateFormat;
806 +  end;
807 + end;
808 +
809 + function TSQLDataItem.GetTimeFormatStr: AnsiString;
810 + begin
811 +  {$IF declared(DefaultFormatSettings)}
812 +  with DefaultFormatSettings do
813 +  {$ELSE}
814 +  {$IF declared(FormatSettings)}
815 +  with FormatSettings do
816 +  {$IFEND}
817 +  {$IFEND}
818 +    Result := LongTimeFormat;
819 + end;
820 +
821 + function TSQLDataItem.GetTimestampFormatStr: AnsiString;
822 + begin
823 +  {$IF declared(DefaultFormatSettings)}
824 +  with DefaultFormatSettings do
825 +  {$ELSE}
826 +  {$IF declared(FormatSettings)}
827 +  with FormatSettings do
828 +  {$IFEND}
829 +  {$IFEND}
830 +    Result := ShortDateFormat + ' ' +  LongTimeFormat + '.zzz';
831 + end;
832 +
833   procedure TSQLDataItem.SetAsInteger(AValue: Integer);
834   begin
835    SetAsLong(aValue);
# Line 1006 | Line 960 | begin
960    end;
961   end;
962  
963 + function TSQLDataItem.GetStrDataLength: short;
964 + begin
965 +  with FFirebirdClientAPI do
966 +  if SQLType = SQL_VARYING then
967 +    Result := DecodeInteger(SQLData, 2)
968 +  else
969 +    Result := DataLength;
970 + end;
971 +
972   function TSQLDataItem.GetAsBoolean: boolean;
973   begin
974    CheckActive;
# Line 1215 | Line 1178 | begin
1178    end;
1179   end;
1180  
1181 + {Copied from LazUTF8}
1182 +
1183 + function UTF8CodepointSizeFull(p: PAnsiChar): integer;
1184 + const TopBitSetMask   = $80; {%10000000}
1185 +      Top2BitsSetMask = $C0; {%11000000}
1186 +      Top3BitsSetMask = $E0; {%11100000}
1187 +      Top4BitsSetMask = $F0; {%11110000}
1188 +      Top5BitsSetMask = $F8; {%11111000}
1189 + begin
1190 +  case p^ of
1191 +  #0..#191: // %11000000
1192 +    // regular single byte character (#0 is a character, this is Pascal ;)
1193 +    Result:=1;
1194 +  #192..#223: // p^ and %11100000 = %11000000
1195 +    begin
1196 +      // could be 2 byte character
1197 +      if (ord(p[1]) and Top2BitsSetMask) = TopBitSetMask then
1198 +        Result:=2
1199 +      else
1200 +        Result:=1;
1201 +    end;
1202 +  #224..#239: // p^ and %11110000 = %11100000
1203 +    begin
1204 +      // could be 3 byte character
1205 +      if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1206 +      and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask) then
1207 +        Result:=3
1208 +      else
1209 +        Result:=1;
1210 +    end;
1211 +  #240..#247: // p^ and %11111000 = %11110000
1212 +    begin
1213 +      // could be 4 byte character
1214 +      if ((ord(p[1]) and Top2BitsSetMask) = TopBitSetMask)
1215 +      and ((ord(p[2]) and Top2BitsSetMask) = TopBitSetMask)
1216 +      and ((ord(p[3]) and Top2BitsSetMask) = TopBitSetMask) then
1217 +        Result:=4
1218 +      else
1219 +        Result:=1;
1220 +    end;
1221 +  else
1222 +    Result:=1;
1223 +  end;
1224 + end;
1225 +
1226 + {Returns the byte length of a UTF8 string with a fixed charwidth}
1227 +
1228 + function GetStrLen(p: PAnsiChar; CharWidth, MaxDataLength: cardinal): integer;
1229 + var i: integer;
1230 +    cplen: integer;
1231 +    s: AnsiString;
1232 + begin
1233 +  Result := 0;
1234 +  s := strpas(p);
1235 +  for i := 1 to CharWidth do
1236 +  begin
1237 +    cplen := UTF8CodepointSizeFull(p);
1238 +    Inc(p,cplen);
1239 +    Inc(Result,cplen);
1240 +    if Result >= MaxDataLength then
1241 +    begin
1242 +      Result := MaxDataLength;
1243 +      Exit;
1244 +    end;
1245 +  end;
1246 + end;
1247  
1248   function TSQLDataItem.GetAsString: AnsiString;
1249   var
# Line 1238 | Line 1267 | begin
1267        begin
1268          sz := SQLData;
1269          if (SQLType = SQL_TEXT) then
1270 <          str_len := DataLength
1270 >        begin
1271 >          if GetCodePage = cp_utf8 then
1272 >            str_len := GetStrLen(PAnsiChar(sz),GetSize div GetCharSetWidth,DataLength)
1273 >          else
1274 >            str_len := DataLength
1275 >        end
1276          else begin
1277 <          str_len := DecodeInteger(SQLData, 2);
1277 >          str_len := DecodeInteger(sz, 2);
1278            Inc(sz, 2);
1279          end;
1280          SetString(rs, PAnsiChar(sz), str_len);
1281          SetCodePage(rs,GetCodePage,false);
1282 <        if (SQLType = SQL_TEXT) and (GetCharSetID <> 1) then
1249 <          Result := TrimRight(rs)
1250 <        else
1251 <          Result := rs
1282 >        Result := rs;
1283        end;
1284        SQL_TYPE_DATE:
1285 <        case GetSQLDialect of
1255 <          1 : result := DateTimeToStr(AsDateTime);
1256 <          3 : result := DateToStr(AsDateTime);
1257 <        end;
1285 >        result := FormatDateTime(GetDateFormatStr(TimeOf(AsDateTime)<>0),AsDateTime);
1286        SQL_TYPE_TIME :
1287 <        result := TimeToStr(AsDateTime);
1287 >        result := FormatDateTime(GetTimeFormatStr,AsDateTime);
1288        SQL_TIMESTAMP:
1289 <      {$IF declared(DefaultFormatSettings)}
1262 <      with DefaultFormatSettings do
1263 <      {$ELSE}
1264 <      {$IF declared(FormatSettings)}
1265 <      with FormatSettings do
1266 <      {$IFEND}
1267 <      {$IFEND}
1268 <        result := FormatDateTime(ShortDateFormat + ' ' +
1269 <                            LongTimeFormat+'.zzz',AsDateTime);
1289 >        result := FormatDateTime(GetTimestampFormatStr,AsDateTime);
1290        SQL_SHORT, SQL_LONG:
1291          if Scale = 0 then
1292            result := IntToStr(AsLong)
# Line 1294 | Line 1314 | begin
1314    Result := false;
1315   end;
1316  
1317 < function TSQLDataItem.getIsNullable: boolean;
1317 > function TSQLDataItem.GetIsNullable: boolean;
1318   begin
1319    CheckActive;
1320    Result := false;
# Line 1342 | Line 1362 | begin
1362    Result := false;
1363   end;
1364  
1365 + function TSQLDataItem.GetDateTimeStrLength(DateTimeFormat: TIBDateTimeFormats
1366 +  ): integer;
1367 + begin
1368 +  case DateTimeFormat of
1369 +  dfTimestamp:
1370 +    Result := Length(GetTimestampFormatStr);
1371 +  dfDateTime:
1372 +    Result := Length(GetDateFormatStr(true));
1373 +  dfTime:
1374 +    Result := Length(GetTimeFormatStr);
1375 +  else
1376 +    Result := 0;
1377 +  end;
1378 + end;
1379 +
1380  
1381   procedure TSQLDataItem.SetIsNull(Value: Boolean);
1382   begin
# Line 1715 | Line 1750 | begin
1750    result := FIBXSQLVAR.DataLength;
1751   end;
1752  
1753 + function TColumnMetaData.GetCharSetWidth: integer;
1754 + begin
1755 +  CheckActive;
1756 +  result := FIBXSQLVAR.GetCharSetWidth;
1757 + end;
1758 +
1759   function TColumnMetaData.GetArrayMetaData: IArrayMetaData;
1760   begin
1761    CheckActive;
# Line 1727 | Line 1768 | begin
1768    result := FIBXSQLVAR.GetBlobMetaData;
1769   end;
1770  
1771 + function TColumnMetaData.GetStatement: IStatement;
1772 + begin
1773 +  Result := FIBXSQLVAR.GetStatement;
1774 + end;
1775 +
1776 + function TColumnMetaData.GetTransaction: ITransaction;
1777 + begin
1778 +  Result := GetStatement.GetTransaction;
1779 + end;
1780 +
1781   { TIBSQLData }
1782  
1783   procedure TIBSQLData.CheckActive;
# Line 1746 | Line 1797 | begin
1797      IBError(ibxeBOF,[nil]);
1798   end;
1799  
1800 + function TIBSQLData.GetTransaction: ITransaction;
1801 + begin
1802 +  if FTransaction = nil then
1803 +    Result := inherited GetTransaction
1804 +  else
1805 +    Result := FTransaction;
1806 + end;
1807 +
1808   function TIBSQLData.GetIsNull: Boolean;
1809   begin
1810    CheckActive;
# Line 1789 | Line 1848 | end;
1848   { TSQLParam }
1849  
1850   procedure TSQLParam.InternalSetAsString(Value: AnsiString);
1851 +
1852 + procedure DoSetString;
1853 + begin
1854 +  Changing;
1855 +  FIBXSQLVar.SetString(Transliterate(Value,GetCodePage));
1856 +  Changed;
1857 + end;
1858 +
1859   var b: IBlob;
1860      dt: TDateTime;
1861 +    CurrValue: Currency;
1862 +    FloatValue: single;
1863   begin
1864    CheckActive;
1865    if IsNullable then
# Line 1816 | Line 1885 | begin
1885  
1886    SQL_VARYING,
1887    SQL_TEXT:
1888 <    begin
1820 <      Changing;
1821 <      FIBXSQLVar.SetString(Transliterate(Value,GetCodePage));
1822 <      Changed;
1823 <    end;
1888 >    DoSetString;
1889  
1890      SQL_SHORT,
1891      SQL_LONG,
1892      SQL_INT64:
1893 <      SetAsNumeric(AdjustScaleFromCurrency(StrToCurr(Value),GetScale),GetScale);
1893 >      if TryStrToCurr(Value,CurrValue) then
1894 >        SetAsNumeric(AdjustScaleFromCurrency(CurrValue,GetScale),GetScale)
1895 >      else
1896 >        DoSetString;
1897  
1898      SQL_D_FLOAT,
1899      SQL_DOUBLE,
1900      SQL_FLOAT:
1901 <      SetAsDouble(StrToFloat(Value));
1901 >      if TryStrToFloat(Value,FloatValue) then
1902 >        SetAsDouble(FloatValue)
1903 >      else
1904 >        DoSetString;
1905  
1906      SQL_TIMESTAMP:
1907        if TryStrToDateTime(Value,dt) then
1908          SetAsDateTime(dt)
1909        else
1910 <        FIBXSQLVar.SetString(Value);
1910 >        DoSetString;
1911  
1912      SQL_TYPE_DATE:
1913        if TryStrToDateTime(Value,dt) then
1914          SetAsDate(dt)
1915        else
1916 <        FIBXSQLVar.SetString(Value);
1916 >        DoSetString;
1917  
1918      SQL_TYPE_TIME:
1919        if TryStrToDateTime(Value,dt) then
1920          SetAsTime(dt)
1921        else
1922 <        FIBXSQLVar.SetString(Value);
1922 >        DoSetString;
1923  
1924      else
1925        IBError(ibxeInvalidDataConversion,[nil]);
# Line 2434 | Line 2505 | begin
2505      end;
2506   end;
2507  
2508 + function TSQLParams.GetHasCaseSensitiveParams: Boolean;
2509 + begin
2510 +  Result := FSQLParams.CaseSensitiveParams;
2511 + end;
2512 +
2513   { TResults }
2514  
2515   procedure TResults.CheckActive;
# Line 2452 | Line 2528 | begin
2528   end;
2529  
2530   function TResults.GetISQLData(aIBXSQLVAR: TSQLVarData): ISQLData;
2531 + var col: TIBSQLData;
2532   begin
2533    if (aIBXSQLVAR.Index < 0) or (aIBXSQLVAR.Index >= getCount) then
2534      IBError(ibxeInvalidColumnIndex,[nil]);
2535  
2536    if not HasInterface(aIBXSQLVAR.Index) then
2537      AddInterface(aIBXSQLVAR.Index, TIBSQLData.Create(self,aIBXSQLVAR));
2538 <  Result := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
2538 >  col := TIBSQLData(GetInterface(aIBXSQLVAR.Index));
2539 >  col.FTransaction := GetTransaction;
2540 >  Result := col;
2541   end;
2542  
2543   constructor TResults.Create(aResults: TSQLDataArea);
# Line 2515 | Line 2594 | begin
2594    FResults.GetData(index,IsNull, len,data);
2595   end;
2596  
2597 + function TResults.GetStatement: IStatement;
2598 + begin
2599 +  Result := FStatement;
2600 + end;
2601 +
2602   function TResults.GetTransaction: ITransaction;
2603   begin
2604    Result := FStatement.GetTransaction;

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