Log Message:
-----------
Fix performance issue in exprTypmod(): for a COALESCE expression, it
recursed twice on its first argument, leading to exponential time spent
on a deep nest of COALESCEs ... such as a deeply nested FULL JOIN would
produce. Per report from Matt Carter.
Tags:
----
REL8_0_STABLE
Modified Files:
--------------
pgsql/src/backend/parser:
parse_expr.c (r1.179.4.2 -> r1.179.4.3)
(http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/parser/parse_expr.c.diff?r1=1.179.4.2&r2=1.179.4.3)
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