Re: Planner question
От | Bruce Momjian |
---|---|
Тема | Re: Planner question |
Дата | |
Msg-id | 200809231326.m8NDQBZ15553@momjian.us обсуждение исходный текст |
Ответ на | Re: Planner question (Tom Raney <raneyt@cecs.pdx.edu>) |
Список | pgsql-hackers |
Tom Raney wrote: > >> RELOPTINFO (tenk1): rows=10000 width=244 > >> path list: > >> SeqScan(tenk1) rows=10000 cost=0.00..434.00 > >> IdxScan(tenk1) rows=10000 cost=0.00..583.25 > >> pathkeys: ((tenk1.unique2, onek.unique2)) <--- > > > >> cheapest startup path: > >> SeqScan(tenk1) rows=10000 cost=0.00..434.00 > > > >> cheapest total path: > >> SeqScan(tenk1) rows=10000 cost=0.00..434.00 > > > > Hm, I don't recognize this output format, is it coming from some custom > > code? > > Yes, it is. I thought it was easier to read the OPTIMIZER_DEBUG > output with the relation names instead of the relation indexes. I > will post a patch against CVS HEAD if you think it will help others. Personally I would like to see optimizer debug become a configuration parameter rather than a compile-time parameter. -- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB http://enterprisedb.com + If your life is a hard drive, Christ can be your backup. +
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