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get_expr_result_type probably needs to be able to handle OpExpr as well

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as FuncExpr, to cover cases where a function returning tuple is invoked
via an operator.
This commit is contained in:
Tom Lane 2005-04-25 20:59:44 +00:00
parent 238fb0342e
commit ea19c8772e
1 changed files with 8 additions and 2 deletions
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10
src/backend/utils/fmgr/funcapi.c
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@ -7,7 +7,7 @@
* Copyright (c) 2002-2005, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/fmgr/funcapi.c,v 1.20 2005/04/05 06:22:14 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/fmgr/funcapi.c,v 1.21 2005/04/25 20:59:44 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -229,6 +229,12 @@ get_expr_result_type(Node *expr,
NULL,
resultTypeId,
resultTupleDesc);
else if (expr && IsA(expr, OpExpr))
result = internal_get_result_type(get_opcode(((OpExpr *) expr)->opno),
expr,
NULL,
resultTypeId,
resultTupleDesc);
else
{
/* handle as a generic expression; no chance to resolve RECORD */
@ -247,7 +253,7 @@ get_expr_result_type(Node *expr,
}
/*
* get_expr_result_type
* get_func_result_type
* As above, but work from a function's OID only
*
* This will not be able to resolve pure-RECORD results nor polymorphism.