On 10/14/2015 05:00 AM, Albe Laurenz wrote:
> Jonathan Rogers wrote:
>> I have a very complex SELECT for which I use PREPARE and then EXECUTE.
>> The first five times I run "explain (analyze, buffers) execute ..." in
>> psql, it takes about 1s. Starting with the sixth execution, the plan
>> changes
Hi
2015-10-14 9:38 GMT+02:00 Jonathan Rogers :
> I have a very complex SELECT for which I use PREPARE and then EXECUTE.
> The first five times I run "explain (analyze, buffers) execute ..." in
> psql, it takes about 1s. Starting with the sixth execution, the plan
> changes and execution time doub
Jonathan Rogers wrote:
> I have a very complex SELECT for which I use PREPARE and then EXECUTE.
> The first five times I run "explain (analyze, buffers) execute ..." in
> psql, it takes about 1s. Starting with the sixth execution, the plan
> changes and execution time doubles or more. The slower pl
I have a very complex SELECT for which I use PREPARE and then EXECUTE.
The first five times I run "explain (analyze, buffers) execute ..." in
psql, it takes about 1s. Starting with the sixth execution, the plan
changes and execution time doubles or more. The slower plan is used from
then on. If I D
