| From: | Uriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru> |
|---|---|
| To: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Selectivity estimation for intarray with @@ |
| Date: | 2015-05-26 11:58:22 |
| Message-ID: | 1529951.MrgHGDLjOD@dinodell |
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| Lists: | pgsql-hackers |
Hello.
Attached patch based on:
http://www.postgresql.org/message-id/CAPpHfdssY+qEPDCOvxx-b4LP3ybR+qS04M6-ARgGKNFk3FrFow@mail.gmail.com
and adds selectivity estimation functions to @@ (port from tsquery). Now we
support &&, @>, <@ and @@.
In addition it was written migration to version 1.1 intarray. Because of what
this patch requires my other patch:
http://www.postgresql.org/message-id/14346041.DNcb5Y1inS@dinodell
Alexander Korotkov know about this patch.
Thanks.
--
Uriy Zhuravlev
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
| Attachment | Content-Type | Size |
|---|---|---|
| selectivity_functions_for_intarray_v1.patch | text/x-patch | 22.8 KB |
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