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Show shared object statistics in pg_stat_database

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This adds a row to the pg_stat_database view with datoid 0 and datname
NULL for those objects that are not in a database. This was added
particularly for checksums, but we were already tracking more satistics
for these objects, just not returning it.

Also add a checksum_last_failure column that holds the timestamptz of
the last checksum failure that occurred in a database (or in a
non-dataabase file), if any.

Author: Julien Rouhaud <rjuju123@gmail.com>
This commit is contained in:
Magnus Hagander
2019-04-12 14:04:50 +02:00
parent ef6f30fe77
commit 77bd49adba
10 changed files with 76 additions and 17 deletions
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3
doc/src/sgml/ref/pg_basebackup.sgml
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@@ -531,7 +531,8 @@ PostgreSQL documentation
By default, checksums are verified and checksum failures will result
in a non-zero exit status. However, the base backup will not be
removed in such a case, as if the <option>--no-clean</option> option
had been used.
had been used. Checksum verifications failures will also be reported
in the <xref linkend="pg-stat-database-view"/> view.
</para>
</listitem>
</varlistentry>