On 16/2/2024 19:54, jian he wrote:
> After setting these parameters, overall enable_or_transformation ON is
> performance better.
> sorry for the noise.
Don't worry, at least we know a weak point of partial paths estimation.
> so now I didn't find any corner case where enable_or_transformation is
> ON peforms worse than when it's OFF.
>
> +typedef struct OrClauseGroupEntry
> +{
> + OrClauseGroupKey key;
> +
> + Node *node;
> + List *consts;
> + Oid scalar_type;
> + List *exprs;
> +} OrClauseGroupEntry;
>
> I found that the field `scalar_type` was never used.
Thanks, fixed.
In attachment - v17 for both patches. As I see it, the only general
explanation of the idea is not addressed. I'm not sure how deeply we
should explain it.
--
regards,
Andrei Lepikhov
Postgres Professional
