Re: STATISTICS retained in CREATE TABLE ... LIKE (INCLUDING ALL)? - Mailing list pgsql-hackers

From Alvaro Herrera
Subject Re: STATISTICS retained in CREATE TABLE ... LIKE (INCLUDING ALL)?
Date
Msg-id 20180305195750.aecbpihhcvuskzba@alvherre.pgsql
Whole thread Raw
In response to Re: STATISTICS retained in CREATE TABLE ... LIKE (INCLUDING ALL)?  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
Responses Re: STATISTICS retained in CREATE TABLE ... LIKE (INCLUDING ALL)?  (Tomas Vondra <tomas.vondra@2ndquadrant.com>)
List pgsql-hackers
Tomas Vondra wrote:

> 4) I see you've added generateClonedExtStatsStmt to parse_utilcmd.h, but
> it was only really called in parse_utilcmd.c, so I've made it static. I
> don't think we need to expose stuff unnecessarily.

> BTW the last point made me thinking, because parse_utilcmd.h also
> exposes generateClonedIndexStmt. That is however necessary, because it's
> called from DefineRelation when copying indexes from partitioned table
> to partitions. I'm wondering - shouldn't we do the same thing for
> extended statistics?

Maybe, but that would not be a bugfix anymore.  So if we do want that,
that is definitely a new feature, so it should be its own patch; the
copying of indexes to partitions is a new feature in pg11.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services


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