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73 lines
2.3 KiB
ObjectPascal
73 lines
2.3 KiB
ObjectPascal
{*******************************************************}
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{ }
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{ Add FastReport SQL Support Lbrary }
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{ }
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{ Copyright (c) 2001 by Stalker SoftWare }
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{ }
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{*******************************************************}
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unit frFuncSQL;
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interface
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uses
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SysUtils;
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function frCreateStr(cStr :String) :String;
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function frCreateNum(cNum :String ) :String;
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function frCreateDate(cDate :String; cFFormatDate: String) :String;
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{.$I FR.inc}
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// StLib
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implementation
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uses
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frFuncStr, frFuncDate;
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{--------------------------------------------------------------------}
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{ Return quoted string cStr creating SQL request }
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{--------------------------------------------------------------------}
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function frCreateStr(cStr :String) :String;
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begin
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if Trim(cStr) = '' then
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Result := 'null'
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else
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Result := CHR(39)+cStr+CHR(39);
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end; { frCreateStr }
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{--------------------------------------------------------------------}
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{ Return prepared string with number for creating SQL request. }
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{ Possible comma in string is changed by point. }
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{--------------------------------------------------------------------}
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function frCreateNum(cNum :String) :String;
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begin
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if Trim(cNum) = '' then
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Result := 'null'
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else
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Result := frReplaceStr(cNum,DecimalSeparator,'.');
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end; { frCreateNum }
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{--------------------------------------------------------------------}
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{ Return prepared quoted string cDate }
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{ with date for crqting SQL request. }
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{ cFEmptyDate this empty date, returned by (for example) }
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{ RxDateEdit.Text. Example ' . . ' }
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{ cFFormatDate this format date specified by SQL server. }
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{ Example 'yyyy/mm/dd' }
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{--------------------------------------------------------------------}
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function frCreateDate(cDate :String; cFFormatDate: String) :String;
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begin
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if not frValidDate(cDate) then
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Result := 'null'
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else
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Result := CHR(39)+FormatDateTime( cFFormatDate, StrToDateTime(cDate) )+CHR(39);
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end; { frCreateDate }
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end.
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