diff options
| -rw-r--r-- | doc/src/sgml/gist.sgml | 8 | ||||
| -rw-r--r-- | doc/src/sgml/xindex.sgml | 34 |
2 files changed, 22 insertions, 20 deletions
diff --git a/doc/src/sgml/gist.sgml b/doc/src/sgml/gist.sgml index c79ce850e94..9ac6b03e6e4 100644 --- a/doc/src/sgml/gist.sgml +++ b/doc/src/sgml/gist.sgml @@ -272,7 +272,7 @@ CREATE INDEX ON my_table USING GIST (my_inet_column inet_ops); <para> There are five methods that an index operator class for - <acronym>GiST</acronym> must provide, and five that are optional. + <acronym>GiST</acronym> must provide, and six that are optional. Correctness of the index is ensured by proper implementation of the <function>same</function>, <function>consistent</function> and <function>union</function> methods, while efficiency (size and speed) of the @@ -291,9 +291,9 @@ CREATE INDEX ON my_table USING GIST (my_inet_column inet_ops); searches). The optional ninth method <function>fetch</function> is needed if the operator class wishes to support index-only scans, except when the <function>compress</function> method is omitted. The optional tenth method - <function>options</function> is needed if the operator class provides - the user-specified parameters. - The <function>sortsupport</function> method is also optional and is used to + <function>options</function> is needed if the operator class has + user-specified parameters. + The optional eleventh method <function>sortsupport</function> is used to speed up building a <acronym>GiST</acronym> index. </para> diff --git a/doc/src/sgml/xindex.sgml b/doc/src/sgml/xindex.sgml index 0a4fe9a776a..c753d8005ac 100644 --- a/doc/src/sgml/xindex.sgml +++ b/doc/src/sgml/xindex.sgml @@ -459,7 +459,7 @@ </row> <row> <entry> - Defines a set of options that are specific to this operator class + Define options that are specific to this operator class (optional) </entry> <entry>5</entry> @@ -501,7 +501,7 @@ </row> <row> <entry> - Defines a set of options that are specific to this operator class + Define options that are specific to this operator class (optional) </entry> <entry>3</entry> @@ -511,7 +511,7 @@ </table> <para> - GiST indexes have ten support functions, three of which are optional, + GiST indexes have eleven support functions, six of which are optional, as shown in <xref linkend="xindex-gist-support-table"/>. (For more information see <xref linkend="gist"/>.) </para> @@ -544,13 +544,13 @@ <row> <entry><function>compress</function></entry> <entry>compute a compressed representation of a key or value - to be indexed</entry> + to be indexed (optional)</entry> <entry>3</entry> </row> <row> <entry><function>decompress</function></entry> <entry>compute a decompressed representation of a - compressed key</entry> + compressed key (optional)</entry> <entry>4</entry> </row> <row> @@ -566,7 +566,7 @@ <entry>6</entry> </row> <row> - <entry><function>equal</function></entry> + <entry><function>same</function></entry> <entry>compare two keys and return true if they are equal</entry> <entry>7</entry> </row> @@ -583,12 +583,16 @@ </row> <row> <entry><function>options</function></entry> - <entry> - Defines a set of options that are specific to this operator class - (optional) - </entry> + <entry>define options that are specific to this operator class + (optional)</entry> <entry>10</entry> </row> + <row> + <entry><function>sortsupport</function></entry> + <entry>provide a sort comparator to be used in fast index builds + (optional)</entry> + <entry>11</entry> + </row> </tbody> </tgroup> </table> @@ -642,10 +646,8 @@ </row> <row> <entry><function>options</function></entry> - <entry> - Defines a set of options that are specific to this operator class - (optional) - </entry> + <entry>define options that are specific to this operator class + (optional)</entry> <entry>6</entry> </row> </tbody> @@ -720,7 +722,7 @@ <row> <entry><function>options</function></entry> <entry> - Defines a set of options that are specific to this operator class + define options that are specific to this operator class (optional) </entry> <entry>7</entry> @@ -778,7 +780,7 @@ <row> <entry><function>options</function></entry> <entry> - Defines a set of options that are specific to this operator class + define options that are specific to this operator class (optional) </entry> <entry>5</entry> |