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* patch from Maik mantis #33727 with modifications suggested by Lacak

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git-svn-id: trunk@38990 -
This commit is contained in:
marco 2018-05-14 13:23:24 +00:00
parent 7ec23ba0bd
commit 67446aa414
1 changed files with 12 additions and 0 deletions
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12
packages/fcl-db/src/dbase/dbf_prscore.pas
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@ -1426,6 +1426,17 @@ begin
end;
end;
procedure FuncLeft(Param: PExpressionRec);
var
srcLen, count: Integer;
begin
srcLen := StrLen(Param^.Args[0]);
count := PInteger(Param^.Args[1])^;
if count > srcLen then
count := srcLen;
Param^.Res.Append(Param^.Args[0], count)
end;
procedure FuncUppercase(Param: PExpressionRec);
var
dest: PChar;
@ -2336,6 +2347,7 @@ initialization
{$ifdef SUPPORT_INT64}
Add(TFunction.Create('STR', '', 'LII', 1, etString, FuncInt64ToStr, ''));
{$endif}
Add(TFunction.Create('LEFT', '', 'SI', 2, etString, FuncLeft, ''));
Add(TFunction.Create('DTOS', '', 'D', 1, etString, FuncDateToStr, ''));
Add(TFunction.Create('SUBSTR', 'SUBS', 'SII', 3, etString, FuncSubString, ''));
Add(TFunction.Create('UPPERCASE', 'UPPER', 'S', 1, etString, FuncUppercase, ''));