Bill Martin <[email protected]> writes:
> Tom Lane <[email protected]> writes:
>> He can do it without having to change his schema --- but it's the index
>> column, not the underlying content column, that needs its statistics
>> target adjusted.
> How can I adjust the statistics target of the index?
Just pretend it's a table.
ALTER TABLE index_name ALTER COLUMN column_name SET STATISTICS ...
You'll need to look at the index (eg with \d) to see what the name of
the desired column is, since index expressions have system-assigned
column names.
regards, tom lane
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