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Fixes: Using LIKE or ~ operator on text type files which are null valued

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causes segmentation fault.

Thanks to: Salvador Ortiz Garcia, Robert Patrick, Paul 'Shag' Walmsley,
           and James Cooper for finding and fixing the problem.
This commit is contained in:
Marc G. Fournier
1996-07-09 06:39:19 +00:00
parent 25bb71835f
commit 950b6ab022
2 changed files with 8 additions and 2 deletions
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4
src/backend/utils/adt/like.c
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@ -120,6 +120,7 @@ char16nlike(char *s, struct varlena *p)
bool
namelike(NameData *n, struct varlena *p)
{
if (!n) return FALSE;
return (fixedlen_like(n->data, p, NAMEDATALEN));
}
@ -132,6 +133,7 @@ namenlike(NameData *s, struct varlena *p)
bool
textlike(struct varlena *s, struct varlena *p)
{
if (!s) return FALSE;
return (fixedlen_like(VARDATA(s), p, VARSIZE(s) - VARHDRSZ));
}
@ -141,7 +143,7 @@ bool textnlike(struct varlena *s, struct varlena *p)
}
/* $Revision: 1.1.1.1 $
/* $Revision: 1.2 $
** "like.c" A first attempt at a LIKE operator for Postgres95.
**
** Originally written by Rich $alz, mirror!rs, Wed Nov 26 19:03:17 EST 1986.