diff options
Diffstat (limited to 'doc/src/sgml/gist.sgml')
| -rw-r--r-- | doc/src/sgml/gist.sgml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/doc/src/sgml/gist.sgml b/doc/src/sgml/gist.sgml index 587517da1d1..f236e6ad614 100644 --- a/doc/src/sgml/gist.sgml +++ b/doc/src/sgml/gist.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/gist.sgml,v 1.29 2007/11/13 23:36:26 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/gist.sgml,v 1.30 2008/04/14 17:05:32 tgl Exp $ --> <chapter id="GiST"> <title>GiST Indexes</title> @@ -103,7 +103,10 @@ Given a predicate <literal>p</literal> on a tree page, and a user query, <literal>q</literal>, this method will return false if it is certain that both <literal>p</literal> and <literal>q</literal> cannot - be true for a given data item. + be true for a given data item. For a true result, a + <literal>recheck</> flag must also be returned; this indicates whether + the predicate implies the query (<literal>recheck</> = false) or + not (<literal>recheck</> = true). </para> </listitem> </varlistentry> |