Improve covering index documentation

Add missed description of pg_constraint.conincluding

Shinoda, Noriyoshi and Alexander Korotkov

diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index c304262fdb652829ee306fccaac50d6d44c651b8..14aeed307638bfb27cfefc7aa9689a89b1bdb6c5 100644 (file)
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -2372,6 +2372,14 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
        triggers), list of the constrained columns</entry>
      </row>
 
+     <row>
+      <entry><structfield>conincluding</structfield></entry>
+      <entry><type>int2[]</type></entry>
+      <entry><literal><link linkend="catalog-pg-attribute"><structname>pg_attribute</structname></link>.attnum</literal></entry>
+      <entry>List of the non-constrained columns which are included into
+        the same index as the constrained columns</entry>
+     </row>
+
      <row>
       <entry><structfield>confkey</structfield></entry>
       <entry><type>int2[]</type></entry>