diff options
Diffstat (limited to 'doc/src/sgml/ref/create_opclass.sgml')
| -rw-r--r-- | doc/src/sgml/ref/create_opclass.sgml | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/src/sgml/ref/create_opclass.sgml b/doc/src/sgml/ref/create_opclass.sgml index 49a0bd74fa0..575672371ee 100644 --- a/doc/src/sgml/ref/create_opclass.sgml +++ b/doc/src/sgml/ref/create_opclass.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/create_opclass.sgml,v 1.12 2003/11/29 19:51:38 pgsql Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/create_opclass.sgml,v 1.13 2005/01/14 01:16:52 tgl Exp $ PostgreSQL documentation --> @@ -206,6 +206,16 @@ CREATE OPERATOR CLASS <replaceable class="parameter">name</replaceable> [ DEFAUL </refsect1> <refsect1> + <title>Notes</title> + + <para> + The operators should not be defined by SQL functions. A SQL function + is likely to be inlined into the calling query, which will prevent + the optimizer from recognizing that the query matches an index. + </para> + </refsect1> + + <refsect1> <title>Examples</title> <para> |