| From: | "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov> |
|---|---|
| To: | "Robert Haas" <robertmhaas(at)gmail(dot)com>, "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, "Stephen Frost" <sfrost(at)snowman(dot)net> |
| Subject: | Re: add_path optimization |
| Date: | 2009-02-03 14:15:12 |
| Message-ID: | 4987FD10.EE98.0025.0@wicourts.gov |
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| Lists: | pgsql-hackers |
>>> Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> In fact, the only reason to care whether there is any data in the DB
> *at all* is that you need some realistic content in pg_statistic.
> So it should be possible to set up a planner test DB with very
little
> data bulk, which would surely make testing a lot less painful.
Can you suggest a query (or queries) which, together with a schema
dump, would give you enough to duplicate my results?
-Kevin
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