Log Message:
-----------
Fix "cannot handle unplanned sub-select" error that can occur when a
sub-select contains a join alias reference that expands into an expression
containing another sub-select. Per yesterday's report from Merlin Moncure
and subsequent off-list investigation.
Back-patch to 7.4. Older versions didn't attempt to flatten sub-selects in
ways that would trigger this problem.
Tags:
----
REL8_0_STABLE
Modified Files:
--------------
pgsql/src/backend/optimizer/util:
var.c (r1.63 -> r1.63.4.1)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/optimizer/util/var.c?r1=1.63&r2=1.63.4.1)
pgsql/src/test/regress/expected:
subselect.out (r1.10.4.3 -> r1.10.4.4)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/expected/subselect.out?r1=1.10.4.3&r2=1.10.4.4)
pgsql/src/test/regress/sql:
subselect.sql (r1.7.4.1 -> r1.7.4.2)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/test/regress/sql/subselect.sql?r1=1.7.4.1&r2=1.7.4.2)
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