Tom Lane wrote:
Richard Huxton <dev@archonet.com> writes:
Alexander Elgert wrote:
I found the postgres version VERY slow, so a decided to fetch
Define VERY - it took what, milliseconds to do this? Seconds? Hours?
I think he's complaining that the standards-conformant view in Postgres
is slower than the specialized SHOW command in mysql. For an
apples-to-apples comparison, select directly from the system catalogs
--- the information_schema views are definitely slower, because they
have to enforce various spec restrictions (eg that you can't see info
about tables you don't have access to).
I'm still seeing times ~ 3ms to find one table and ~18ms for one column
on my test server. Around ~ 300ms for 1169 columns. I still can't quite
see what you'd do that would need to know about individual columns in
such a hurry.
--
Richard Huxton
Archonet Ltd
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