On 02/02/2011 01:35 PM, Bill Thoen wrote:
Steve Crawford wrote:
On 02/02/2011 12:17 PM, Bill Thoen wrote:
I've got a large (and growing) database set up as a partitioned
database....
What is the setting of contstraint_exclusion?
http://www.postgresql.org/docs/9.0/static/runtime-config-query.html#GUC-CONSTRAINT-EXCLUSION
Cheers,
Steve
It's set to 'Partition'
That sounds good. Out of curiosity, what happens if you use an explicit
cast?:
...where 'co'::char(2)...
I've seen lots of cases where the planner doesn't use indexes when the
data-type differs sometimes even subtly. Might be the same for
constraint exclusion.
Cheers,
Steve
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