Shantanu Shekhar writes:
> I am trying to understand how the cost for a query involving indexes on
> expressions is calculated. How is the statistics on the expression
> maintained? For example Postgres documentation on 'Indexes on Expressions'
> mentions the following example:
> CREATE INDEX p
Hello,
I am trying to understand how the cost for a query involving indexes on
expressions is calculated. How is the statistics on the expression maintained?
For example Postgres documentation on 'Indexes on Expressions' mentions the
following example:
CREATE INDEX people_names ON people ((first
