On Thu, 2024-02-15 at 17:37 +0300, Pavel Kulakov wrote:
> Hello,
>
> PostgreSQL doesn't use 'Index Only Scan' if there is an expression in index.
>
> The documentation says that PostgreSQL's planner considers a query to be
> potentially
> executable
Hello,
PostgreSQL doesn't use 'Index Only Scan' if there is an expression in index.
The documentation says that PostgreSQL's planner considers a query to be
potentially executable by index-only scan only when all columns needed by
the query are available from the
