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From: Jeff Davis <[email protected]>
To: Corey Huinker <[email protected]>
Cc: Robert Treat <[email protected]>
Cc: Robert Haas <[email protected]>
Cc: Andres Freund <[email protected]>
Cc: Nathan Bossart <[email protected]>
Cc: Tom Lane <[email protected]>
Cc: Michael Paquier <[email protected]>
Cc: jian he <[email protected]>
Cc: Bruce Momjian <[email protected]>
Cc: Matthias van de Meent <[email protected]>
Cc: Magnus Hagander <[email protected]>
Cc: Stephen Frost <[email protected]>
Cc: Ashutosh Bapat <[email protected]>
Cc: Peter Smith <[email protected]>
Cc: PostgreSQL Hackers <[email protected]>
Cc: [email protected]
Subject: Re: Statistics Import and Export
Date: Wed, 19 Mar 2025 15:17:40 -0700
Message-ID: <[email protected]> (raw)
In-Reply-To: <CADkLM=ceOSsx_=oe73QQ-BxUFR2Cwqum7-UP_fPe22DBY0NerA@mail.gmail.com>
References: <y2d36zf6pl3n6ni6e4ctblu3a5iazi2dycknq53h2mjvp7lto4@hhww3h2qgdrw>
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	<CADkLM=ceOSsx_=oe73QQ-BxUFR2Cwqum7-UP_fPe22DBY0NerA@mail.gmail.com>

On Sat, 2025-03-15 at 21:37 -0400, Corey Huinker wrote:
> > 0001 - no changes, but the longer I go the more I'm certain this is
> > something we want to do.

This replaces regclassin with custom lookups of the namespace and
relname, but misses some of the complexities that regclassin is
handling. For instance, it calls RangeVarGetRelid(), which calls
LookupExplicitNamespace(), which handles temp tables and
InvokeNamespaceSearchHook().

At first it looked like a bit too much code to copy, but regclassin()
passes NoLock, which means we basically just have to call
LookupExplicitNamespace().

Regards,
	Jeff Davis






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