Re: How to improve the performance of my SQL query？

On Mon, 2023-07-24 at 17:54 +0800, gzh wrote:
> EXPLAIN (ANALYZE ON, VERBOSE ON, COSTS ON, BUFFERS ON) 

I asked for EXPLAIN (ANALYZE, BUFFERS, SETTINGS) ...
Or do you have a version that is too old for SETTINGS?

One other idea: check if the index is INVALID (this will
be visible if you run "\d tablenane" in "psql").
Invalid indexes won't be used.

Yours,
Laurenz Albe