From: | Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com> |
---|---|
To: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
Cc: | Fabien COELHO <coelho(at)cri(dot)ensmp(dot)fr>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_dumpall --exclude-database option |
Date: | 2018-11-18 18:41:23 |
Message-ID: | ed721552-42ce-8459-b1db-1e57bb44117f@2ndQuadrant.com |
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Thread: | |
Lists: | pgsql-hackers |
On 11/17/18 9:55 AM, Alvaro Herrera wrote:
> The comment in expand_dbname_patterns is ungrammatical and mentions
> "OID" rather than "name", so I suggest
>
> /*
> * The loop below might sometimes result in duplicate entries in the
> * output name list, but we don't care.
> */
Will fix.
> I'm not sure this is grammatical either:
> exclude databases whose name matches PATTERN
> I would have written it like this:
> exclude databases whose names match PATTERN
> but I'm not sure (each database has only one name, of course, but aren't
> you talking about multiple databases there?)
I think the original is grammatical.
> Other than that, the patch seems fine to me -- I tested and it works as
> intended.
>
> Personally I would say "See also expand_table_name_patterns" instead of
> "This is similar to code in pg_dump.c for handling matching table names.",
> as well as mention this function in expand_table_name_patterns' comment.
> (No need to mention expand_schema_name_patterns, since these are
> adjacent.) But this is mostly stylistic and left to your own judgement.
>
> In the long run, I think we should add an option to processSQLNamePattern
> to use OR instead of AND, which would fix both this problem as well as
> pg_dump's. I don't think that's important enough to stall this patch.
Thanks for the review.
cheers
andrew
--
Andrew Dunstan https://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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