Re: BUG #17618: unnecessary filter column <> text even after adding index
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Richard Guo <guofenglinux@gmail.com>
Cc: Jeff Janes <jeff.janes@gmail.com>, sindysenorita@gmail.com,
pgsql-bugs@lists.postgresql.org
Date: 2022-09-23T14:10:09Z
Lists: pgsql-bugs
Richard Guo <guofenglinux@gmail.com> writes: > So I think we need to run eval_const_expressions on indexquals before we > check for duplicate clauses, something like attached. [ squint... ] Surely that was done long before we ever get here? regards, tom lane
Commits
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Produce more-optimal plans for bitmap scans on boolean columns.
- 042c9091f0fc 16.0 landed