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Remove prohibition against SubLinks in the WHERE clause of an EXISTS subquery

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

2008年8月17日 02:19:19 +0000 (02:19 +0000)

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

2008年8月17日 02:19:19 +0000 (02:19 +0000)

commit f2689e421d7ca0a103e33f5b92bb0676c80e1d04

tree f78f91f14b18aa81bf8c767ee30fe2486ca0f0ad tree

parent 19e34b62395b36513a8e6c35ddfbeef12dd1e89f commit | diff

Remove prohibition against SubLinks in the WHERE clause of an EXISTS subquery
that we're considering pulling up. I hadn't wanted to think through whether
that could work during the first pass at this stuff. However, on closer
inspection it seems to be safe enough.

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

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