I don’t have a database running the versions you are, but what I’ve had to do
to get around thing like is it to write the query something like this:
WITH orderids AS (
SELECT ‘546111’ AS orderid
UNION
SELECT orderid
FROM orderstotrans
WHERE transid IN ('546111')
)
select orders.orderid
FROM
On Fri, 2 Dec 2022 at 12:21, Justin Pryzby wrote:
> Could you show explain analyze ?
>
> Show the size of the table and its indexes
> And GUC settings
> And the "statistics" here:
>
> https://wiki.postgresql.org/wiki/Slow_Query_Questions#Statistics:_n_distinct.2C_MCV.2C_histogram
> Maybe on both
