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Robert Haas authored
This reverts commit 915116bc. Per discussion, the previous formula was in fact correct. http://archives.postgresql.org/pgsql-docs/2010-10/msg00038.php
2cae0aeb
This reverts commit 915116bc. Per discussion, the previous formula was in fact correct. http://archives.postgresql.org/pgsql-docs/2010-10/msg00038.php