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a36d0014f1
rewriteRuleAction neglected to check for SubLink nodes in the
securityQuals of range table entries. This could lead to failing
to convert such a SubLink to a SubPlan, resulting in assertion
crashes or weird errors later in planning.
In passing, fix some poor coding in rewriteTargetView:
we should not pass the source parsetree's hasSubLinks
field to ReplaceVarsFromTargetList's outer_hasSubLinks.
ReplaceVarsFromTargetList knows enough to ignore that
when a Query node is passed, but it's still confusing
and bad precedent: if we did try to update that flag
we'd be updating a stale copy of the parsetree.
Per bug #17972 from Alexander Lakhin. This has been broken since
we added RangeTblEntry.securityQuals (although the presented test
case only fails back to
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