Re:

I works, thank you

postgres [429007]=# select pg_xact_commit_timestamp('53013547');
┌───────────────────────────────┐
│ pg_xact_commit_timestamp │
├───────────────────────────────┤
│ 2023-05-15 16:10:00.150823+02 │
└───────────────────────────────┘
(1 row)

On Tue, May 16, 2023 at 5:25 AM Kirk Wolak <wolakk(at)gmail(dot)com> wrote:

> On Mon, May 15, 2023 at 11:42 AM Fabrice Chapuis <fabrice636861(at)gmail(dot)com>
> wrote:
>
>> I am using postgres v.14 on rhel8
>> I enabled the track_commit_timestamp parameter.
>>
>> postgres [379418]=# show track_commit_timestamp ;
>> ┌────────────────────────┐
>> │ track_commit_timestamp │
>> ├────────────────────────┤
>> │ on │
>> └────────────────────────┘
>> (1 row)
>>
>> I performed a recover with the_recovery_target_time parameter. In the
>> postgres log the following informations are present:
>>
>> statement: alter system set recovery_target_time = '2023-05-15 16:10:00'
>>
>> recovery stopping before commit of transaction 53013547, time 2023-05-15
>> 16:10:00.150823+02
>>
>> I would like to get the xid related timestamp with the following query:
>>
>> postgres[379418]=#select pg_xact_commit_timestamp(53013547);
>> ERROR: function pg_xact_commit_timestamp(integer) does not exist
>> LINE 1: select pg_xact_commit_timestamp(53013547);
>> ^
>> HINT: No function matches the given name and argument types. You might
>> need to add explicit type casts.
>>
>> What is the xid type and how can I cast integer value to make
>> pg_xact_commit_timestamp to work?
>>
>> Regards
>>
>> Fabrice Chapuis
>>
>>
>>
> This is not obvious, but QUOTE that value:
> select pg_xact_commit_timestamp('53013547');
>
> And it figures it out!
>