Hi, While looking at pg_stat_statements nesting_level, I realized that there are missing nesting_level tests for pgss_planner and pgss_ExecutorFinish. That is, if you remove nesting_level++ and nesting_level-- in those 2 hooks, the tests will still succeed.
For pgss_planner the nesting_level updates missing tests are the ones when track_planning is enabled. Attached is a quick patch to add coverage. -- Sami Imseih Amazon Web Services (AWS)
v1-0001-pg_stat_statements-Add-missing-tests-for-nested-s.patch
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