Re: ALTER tbl rewrite loses CLUSTER ON index

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Justin Pryzby <pryzby(at)telsasoft(dot)com>
Cc: Amit Langote <amitlangote09(at)gmail(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Michael Paquier <michael(at)paquier(dot)xyz>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: ALTER tbl rewrite loses CLUSTER ON index
Date: 2020-03-16 14:25:23
Message-ID: 20200316142523.GA14606@alvherre.pgsql
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On 2020-Mar-16, Justin Pryzby wrote:

> Also, should we call it "is_index_clustered", since otherwise it sounds alot
> like "+get_index_clustered" (without "is"), which sounds like it takes a table
> and returns which index is clustered. That might be just as useful for some of
> these callers.

Amit's proposed name seems to match lsyscache.c usual conventions better.

> Should we use your get_index_isclustered more widely ?

Yeah, in cluster(), mark_index_clustered().

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

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