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process_implied_equality must copy the substructure of the clauses it

author Tom Lane <tgl@sss.pgh.pa.us>

2004年2月27日 21:42:00 +0000 (21:42 +0000)

committer Tom Lane <tgl@sss.pgh.pa.us>

2004年2月27日 21:42:00 +0000 (21:42 +0000)

commit f5d8f0bb19e0d10f3be0a9bec44b097d5d53ffd4

tree 730913aea58c27b3cf53af4dd4998b9d7fc2a2e3 tree

parent f46a80c3625e394b174256e3a3a1ad931b1478da commit | diff

process_implied_equality must copy the substructure of the clauses it
is generating, to avoid problems when subselects are involved. Per
report from Damon Hart.

src/backend/optimizer/plan/initsplan.c diff | blob | blame | history

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