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Coercion sanity check in ri_HashCompareOp failed to allow for enums, as per

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example from Rod Taylor.  On reflection the correct test here is for any
polymorphic type, not specifically ANYARRAY as in the original coding.
This commit is contained in:
Tom Lane
2008-05-19 04:14:24 +00:00
parent 2dad10f467
commit 63e98b55f0
2 changed files with 13 additions and 9 deletions
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10
src/backend/utils/adt/ri_triggers.c
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@ -15,7 +15,7 @@
*
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
*
* $PostgreSQL: pgsql/src/backend/utils/adt/ri_triggers.c,v 1.108 2008/05/12 20:02:02 alvherre Exp $
* $PostgreSQL: pgsql/src/backend/utils/adt/ri_triggers.c,v 1.109 2008/05/19 04:14:24 tgl Exp $
*
* ----------
*/
@ -3938,8 +3938,12 @@ ri_HashCompareOp(Oid eq_opr, Oid typeid)
if (pathtype != COERCION_PATH_FUNC &&
pathtype != COERCION_PATH_RELABELTYPE)
{
/* If target is ANYARRAY, assume it's OK, else punt. */
if (lefttype != ANYARRAYOID)
/*
* The declared input type of the eq_opr might be a
* polymorphic type such as ANYARRAY or ANYENUM. If so,
* assume the coercion is valid; otherwise complain.
*/
if (!IsPolymorphicType(lefttype))
elog(ERROR, "no conversion function from %s to %s",
format_type_be(typeid),
format_type_be(lefttype));