-
由 Bruce Momjian 提交于
* Allow accurate statistics to be collected on indexes with more than one column or expression indexes, perhaps using per-index statistics > http://archives.postgresql.org/pgsql-hackers/2007-03/msg01131.php
3b765dba
* Allow accurate statistics to be collected on indexes with more than one column or expression indexes, perhaps using per-index statistics > http://archives.postgresql.org/pgsql-hackers/2007-03/msg01131.php