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Tweak select_common_type() to deal with possibility of multiple preferred

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types in a category --- it was taking the last preferred type among the
inputs, rather than the first one as intended.
This commit is contained in:
Tom Lane 2000-12-17 04:32:29 +00:00
parent 0c2629efaa
commit cfa4d4d040
1 changed files with 2 additions and 1 deletions
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3
src/backend/parser/parse_coerce.c
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@ -8,7 +8,7 @@
* *
* *
* IDENTIFICATION * IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.51 2000/12/15 18:02:47 tgl Exp $ * $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.52 2000/12/17 04:32:29 tgl Exp $
* *
*------------------------------------------------------------------------- *-------------------------------------------------------------------------
*/ */
@ -364,6 +364,7 @@ select_common_type(List *typeids, const char *context)
context, typeidTypeName(ptype), typeidTypeName(ntype)); context, typeidTypeName(ptype), typeidTypeName(ntype));
} }
else if (IsPreferredType(pcategory, ntype) else if (IsPreferredType(pcategory, ntype)
&& !IsPreferredType(pcategory, ptype)
&& can_coerce_type(1, &ptype, &ntype)) && can_coerce_type(1, &ptype, &ntype))
{ {
/* /*