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-rw-r--r--doc/src/sgml/catalogs.sgml13
1 files changed, 13 insertions, 0 deletions
diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index ea222c04640..9085d2e64c3 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -10604,6 +10604,19 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
lock table
</para></entry>
</row>
+
+ <row>
+ <entry role="catalog_table_entry"><para role="column_definition">
+ <structfield>waitstart</structfield> <type>timestamptz</type>
+ </para>
+ <para>
+ Time when the server process started waiting for this lock,
+ or null if the lock is held.
+ Note that this can be null for a very short period of time after
+ the wait started even though <structfield>granted</structfield>
+ is <literal>false</literal>.
+ </para></entry>
+ </row>
</tbody>
</tgroup>
</table>