Re: slow performance with cursor

2021-07-02 Thread Tomas Vondra
On 7/1/21 10:25 PM, Ayub Khan wrote: > Justin, > > Below is the stored procedure, is there any scope for improvement? > Hard to say, based on just the stored procedure source code. The queries are not too complex, but we don't know which of them gets selected for each cursor, and which of them

Re: Planning performance problem (67626.278ms)

2021-07-02 Thread David Rowley
On Thu, 1 Jul 2021 at 08:56, Manuel Weitzman wrote: > For each of these RestrictInfos there *could* be one cache miss on > cached_scansel() that *could* force the planner to compute > get_actual_variable_range() for the same variable (a.a) over and over, > as mergejoinscansel() always computes