Horton

Re: Less-silly selectivity for JSONB matching operators

Alexey Bashtanov <bashtanov@imap.cc>

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From: Alexey Bashtanov <bashtanov@imap.cc>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-hackers@lists.postgresql.org
Date: 2020-03-31T16:26:14Z
Lists: pgsql-hackers 
> So that leaves us with needing
> to find a better name for this new one.  Any ideas?
I'm thinking of something wide like
opersel, operjoinsel, DEFAULT_OPER_SEL
or maybe even
genericsel, genericjoinsel, DEFAULT_GENERIC_SEL

Best, Alex

Commits

  1. Improve selectivity estimation for assorted match-style operators.

  2. Implement operator class parameters