diff options
Diffstat (limited to 'doc/src/sgml/btree-gin.sgml')
| -rw-r--r-- | doc/src/sgml/btree-gin.sgml | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/src/sgml/btree-gin.sgml b/doc/src/sgml/btree-gin.sgml index d2142028eb5..8c3cb026960 100644 --- a/doc/src/sgml/btree-gin.sgml +++ b/doc/src/sgml/btree-gin.sgml @@ -1,4 +1,4 @@ -<!-- $PostgreSQL: pgsql/doc/src/sgml/btree-gin.sgml,v 1.1 2009/03/25 23:20:01 tgl Exp $ --> +<!-- $PostgreSQL: pgsql/doc/src/sgml/btree-gin.sgml,v 1.2 2010/08/17 04:37:20 petere Exp $ --> <sect1 id="btree-gin"> <title>btree_gin</title> @@ -9,7 +9,7 @@ <para> <filename>btree_gin</> provides sample GIN operator classes that - implement B-Tree equivalent behavior for the data types + implement B-tree equivalent behavior for the data types <type>int2</>, <type>int4</>, <type>int8</>, <type>float4</>, <type>float8</>, <type>timestamp with time zone</>, <type>timestamp without time zone</>, <type>time with time zone</>, @@ -21,12 +21,12 @@ <para> In general, these operator classes will not outperform the equivalent - standard btree index methods, and they lack one major feature of the - standard btree code: the ability to enforce uniqueness. However, + standard B-tree index methods, and they lack one major feature of the + standard B-tree code: the ability to enforce uniqueness. However, they are useful for GIN testing and as a base for developing other GIN operator classes. Also, for queries that test both a GIN-indexable - column and a btree-indexable column, it might be more efficient to create - a multi-column GIN index that uses one of these opclasses than to create + column and a B-tree-indexable column, it might be more efficient to create + a multicolumn GIN index that uses one of these operator classes than to create two separate indexes that would have to be combined via bitmap ANDing. </para> |