Hi All.
As for pg_global, handling became difficult for reasons of Ver 8.3 to security.
http://archives.postgresql.org/pgsql-hackers/2007-10/msg00448.php
Therefore, we have to do this change by this version.
A method is considered as follows.
1. pg_global is removed by the handling of a tablespace objects.
or
2. consideration of statistics and dependents is disregarded.
I want to convert by 1.
Is there any objection? or any idea?
Regards,
Hiroshi Saito
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
