Re: check_recovery_target_lsn() does a PG_CATCH without a throw

From: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
To: Andres Freund <andres(at)anarazel(dot)de>, pgsql-hackers(at)postgresql(dot)org
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Subject: Re: check_recovery_target_lsn() does a PG_CATCH without a throw
Date: 2019-06-20 13:42:14
Message-ID: 5da47275-9737-77e4-e7ac-26bcd61d1374@2ndquadrant.com
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On 2019-06-12 13:16, Peter Eisentraut wrote:
> I haven't figured out the time zone issue yet, but I guess the solution
> might involve moving some of the code from check_recovery_target_time()
> to assign_recovery_target_time().

I think that won't work either. What we need to do is postpone the
interpretation of the timestamp string until after all the GUC
processing is done. So check_recovery_target_time() would just do some
basic parsing checks, but stores the string. Then when we need the
recovery_target_time_value we do the final parsing. Then we can be sure
that the time zone is all set.

--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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