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Submitted by Openlink, requires -DOPENLINK_PATCHES in Makefile.global 

varchar.diff
------------
This patch was necessary for the OpenLink Postgres Database Agent.
I think this fixes a bug anyway.

The following query demonstrates this bug:

  create table foo (bar varchar);
  insert into foo values ('');          -- no problem
  select * from foo where bar = '';     -- fails
This commit is contained in:
Marc G. Fournier 1996-07-15 19:11:23 +00:00
parent 76145bd74b
commit d838e30f13
1 changed files with 11 additions and 1 deletions
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12
src/backend/utils/adt/varchar.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.1.1.1 1996/07/09 06:22:05 scrappy Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/varchar.c,v 1.2 1996/07/15 19:11:23 scrappy Exp $
*
*-------------------------------------------------------------------------
*/
@ -68,8 +68,13 @@ bpcharin(char *s, int dummy, int typlen)
typlen = len + 4;
}
#ifndef OPENLINK_PATCHES
if (len < 1 || len > 4096)
elog(WARN, "bpcharin: length of char() must be between 1 and 4096");
#else
if (len > 4096)
elog(WARN, "bpcharin: length of char() must be less than 4096");
#endif
result = (char *) palloc(typlen);
*(int32*)result = typlen;
@ -132,8 +137,13 @@ varcharin(char *s, int dummy, int typlen)
typlen = len + 4;
}
#ifndef OPENLINK_PATCHES
if (len < 1 || len > 4096)
elog(WARN, "bpcharin: length of char() must be between 1 and 4096");
#else
if (len > 4096)
elog(WARN, "varcharin: length of char() must be less than 4096");
#endif
result = (char *) palloc(typlen);
*(int32*)result = typlen;