Re: number of rows estimation for bit-AND operation - Mailing list pgsql-performance

From Alvaro Herrera
Subject Re: number of rows estimation for bit-AND operation
Date
Msg-id 20090821201225.GN5487@alvh.no-ip.org
Whole thread Raw
In response to Re: number of rows estimation for bit-AND operation  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-performance
Robert Haas escribió:

> Scott, did you check whether a toast table got created here and what
> the size of it was?

A table with only bool columns (and, say, one int8 column) would not
have a toast table.  Only varlena columns produce toast tables.

--
Alvaro Herrera                                http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

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