In talking to developers, it appears that index-only scans will not be
implemented in Postgres 8.5 due to development time being spend on hot
standby and streaming replication. The current index-only scan status
is summarized here:
http://archives.postgresql.org/pgsql-hackers/2009-07/msg00675.php
--
Bruce Momjian <br...@momjian.us> http://momjian.us
EnterpriseDB http://enterprisedb.com
+ If your life is a hard drive, Christ can be your backup. +
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