Update xindex.sgml for recent additions to GIST opclass API.

tglsfdc · tglsfdc · commit 9d1839fad945 · 2015-12-06T12:42:38.000-05:00
Commit d04c8ed added another support function to the GIST API, but overlooked mentioning it in xindex.sgml's summary of index support functions. Anastasia Lubennikova
diff --git a/doc/src/sgml/xindex.sgml b/doc/src/sgml/xindex.sgml
@@ -416,8 +416,8 @@
    </table>
 
   <para>
-   GiST indexes require seven support functions, with an optional eighth, as
-   shown in <xref linkend="xindex-gist-support-table">.
+   GiST indexes have nine support functions, two of which are optional,
+   as shown in <xref linkend="xindex-gist-support-table">.
    (For more information see <xref linkend="GiST">.)
   </para>
 
@@ -477,6 +477,12 @@
        <entry>determine distance from key to query value (optional)</entry>
        <entry>8</entry>
       </row>
+      <row>
+       <entry><function>fetch</></entry>
+       <entry>compute original representation of a compressed key for
+       index-only scans (optional)</entry>
+       <entry>9</entry>
+      </row>
      </tbody>
     </tgroup>
    </table>
@@ -530,8 +536,8 @@
    </table>
 
   <para>
-   GIN indexes require four support functions, with an optional fifth, as
-   shown in <xref linkend="xindex-gin-support-table">.
+   GIN indexes have six support functions, three of which are optional,
+   as shown in <xref linkend="xindex-gin-support-table">.
    (For more information see <xref linkend="GIN">.)
   </para>
 
