Alexander Lakhin writes:
> explain (verbose, analyze)
> select
>(select max((select i.unique2 from jsontable_tenk1 i where i.unique1 =
> o.unique1)))
> from jsontable_tenk1 o;
> -- Table Function Call: JSON_TABLE...
> Execution Time: 288310.131 ms
> (with 63% of time spent inside
I wrote:
> Alexander Lakhin writes:
>> explain (verbose, analyze)
>> select
>> (select max((select i.unique2 from tenk1 i where i.unique1 = o.unique1)))
>> from tenk1 o;
>> -- original tenk1
>> Execution Time: 4769.481 ms
> Hm, I get about 13 ms for that example. Do you have some really
>
Alexander Lakhin writes:
> When playing with JSON_TABLE, I tried to replace tenk1 in regression tests
> with a view based on JSON_TABLE, with the same content, and discovered
> that for one sub-optimal query it's execution duration increased many-fold.
> With the preparation script attached, I
Hello hackers,
When playing with JSON_TABLE, I tried to replace tenk1 in regression tests
with a view based on JSON_TABLE, with the same content, and discovered
that for one sub-optimal query it's execution duration increased many-fold.
With the preparation script attached, I see the following
