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The original implementation of polymorphic aggregates didn't really get the

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checking of argument compatibility right; although the problem is only exposed
with multiple-input aggregates in which some arguments are polymorphic and
some are not.  Per bug #3852 from Sokolov Yura.
This commit is contained in:
Tom Lane
2008-01-11 18:39:41 +00:00
parent df62977d00
commit 89c0a87fda
9 changed files with 133 additions and 57 deletions
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5
src/include/parser/parse_coerce.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/parser/parse_coerce.h,v 1.74 2008/01/01 19:45:58 momjian Exp $
* $PostgreSQL: pgsql/src/include/parser/parse_coerce.h,v 1.75 2008/01/11 18:39:41 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -81,7 +81,8 @@ extern bool check_generic_type_consistency(Oid *actual_arg_types,
extern Oid enforce_generic_type_consistency(Oid *actual_arg_types,
Oid *declared_arg_types,
int nargs,
Oid rettype);
Oid rettype,
bool allow_poly);
extern Oid resolve_generic_type(Oid declared_type,
Oid context_actual_type,
Oid context_declared_type);