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Tighten up relation kind checks for extended statistics

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We were accepting creation of extended statistics only for regular
tables, but they can usefully be created for foreign tables, partitioned
tables, and materialized views, too.  Allow those cases.

While at it, make sure all the rejected cases throw a consistent error
message, and add regression tests for the whole thing.

Author: David Rowley, Álvaro Herrera
Discussion: https://postgr.es/m/CAKJS1f-BmGo410bh5RSPZUvOO0LhmHL2NYmdrC_Jm8pk_FfyCA@mail.gmail.com
This commit is contained in:
Alvaro Herrera
2017-04-17 17:55:17 -03:00
parent 76799fc89d
commit 8c5cdb7f4f
5 changed files with 92 additions and 7 deletions
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doc/src/sgml/ref/create_statistics.sgml
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@ -34,7 +34,7 @@ CREATE STATISTICS [ IF NOT EXISTS ] <replaceable class="PARAMETER">statistics_na
<para>
<command>CREATE STATISTICS</command> will create a new extended statistics
object on the specified table.
object on the specified table, foreign table or materialized view.
The statistics will be created in the current database and
will be owned by the user issuing the command.
</para>