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: 2020-03-31T23:24:08Z
Lists: pgsql-hackers 
On 31/03/2020 18:53, Tom Lane wrote:
> Renamed "matchsel" to "matchingsel" etc, added DEFAULT_MATCHING_SEL,
> rebased over commit 911e70207.  Since that commit already created
> new versions of the relevant contrib modules, I think we can just
> redefine what those versions contain, rather than making yet-newer
> versions.  (Of course, that assumes we're going to include this in
> v13.)

Looks good to me.

Best, Alex

Commits

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

  2. Implement operator class parameters