Re: create_unique_path and GEQO
От | Tom Lane |
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Тема | Re: create_unique_path and GEQO |
Дата | |
Msg-id | 16756.1490363418@sss.pgh.pa.us обсуждение исходный текст |
Ответ на | Re: [HACKERS] create_unique_path and GEQO (Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>) |
Ответы |
Re: [HACKERS] create_unique_path and GEQO
Re: [HACKERS] create_unique_path and GEQO |
Список | pgsql-hackers |
Ashutosh Bapat <ashutosh.bapat@enterprisedb.com> writes: >> Do you have test case, which can reproduce the issue you >> explained above? > No. It would require some surgery in standard_planner() to measure the > memory consumed in the planner context OR build the code with > SHOW_MEMORY_STATS defined and dump memory context statistics and check > planner context memory usage. I don't think I can produce a testcase > quickly right now. But then, I think the problem is quite apparent > from the code inspection alone, esp. comparing what mark_dummy_rel() > does with what create_unique_path() is doing. Yeah. I think the code in mark_dummy_rel is newer and better-thought-out than what's in create_unique_path. It probably makes sense to change over. regards, tom lane
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