8000 Fix security definer functions with polymorphic arguments. This case… · postgres/postgres@310578e · GitHub
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Fix security definer functions with polymorphic arguments. This case has
never worked because fmgr_security_definer() neglected to pass the fn_expr information through. Per report from Viatcheslav Kalinin.
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‎src/backend/utils/fmgr/fmgr.c

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@@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/utils/fmgr/fmgr.c,v 1.107 2007/07/13 02:25:48 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/utils/fmgr/fmgr.c,v 1.108 2007/07/31 15:49:49 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -859,6 +859,7 @@ fmgr_security_definer(PG_FUNCTION_ARGS)
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fmgr_info_cxt_security(fcinfo->flinfo->fn_oid, &fcache->flinfo,
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fcinfo->flinfo->fn_mcxt, true);
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fcache->flinfo.fn_expr = fcinfo->flinfo->fn_expr;
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tuple = SearchSysCache(PROCOID,
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ObjectIdGetDatum(fcinfo->flinfo->fn_oid),

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