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Add system view pg_ident_file_mappings

This view is similar to pg_hba_file_rules view, except that it is
associated with the parsing of pg_ident.conf.  Similarly to its cousin,
this view is useful to check via SQL if changes planned in pg_ident.conf
would work upon reload or restart, or to diagnose a previous failure.

Bumps catalog version.

Author: Julien Rouhaud
Reviewed-by: Aleksander Alekseev, Michael Paquier
Discussion: https://postgr.es/m/20220223045959.35ipdsvbxcstrhya@jrouhaud
This commit is contained in:
Michael Paquier
2022-03-29 10:15:48 +09:00
parent 091a971bb5
commit a2c84990be
12 changed files with 305 additions and 17 deletions

View File

@ -896,6 +896,16 @@ mymap /^(.*)@otherdomain\.com$ guest
-HUP</literal>) to make it re-read the file.
</para>
<para>
The system view
<link linkend="view-pg-ident-file-mappings"><structname>pg_ident_file_mappings</structname></link>
can be helpful for pre-testing changes to the
<filename>pg_ident.conf</filename> file, or for diagnosing problems if
loading of the file did not have the desired effects. Rows in the view with
non-null <structfield>error</structfield> fields indicate problems in the
corresponding lines of the file.
</para>
<para>
A <filename>pg_ident.conf</filename> file that could be used in
conjunction with the <filename>pg_hba.conf</filename> file in <xref