Horton

Re: Less-silly selectivity for JSONB matching operators

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

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Alexey Bashtanov <bashtanov@imap.cc>
Cc: pgsql-hackers@lists.postgresql.org
Date: 2020-03-31T16:44:53Z
Lists: pgsql-hackers 
Alexey Bashtanov <bashtanov@imap.cc> writes:
>> I was wondering about DEFAULT_MATCHING_SEL.  The difference in purpose
>> from DEFAULT_MATCH_SEL wouldn't be too obvious, but then it probably
>> wouldn't be anyway.

> Fine with me, especially if both new functions are renamed accordingly.

Yup, that would make sense, will do it like that.

			regards, tom lane

Commits

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

  2. Implement operator class parameters