Re: A costing analysis tool

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От Kevin Grittner
Тема Re: A costing analysis tool
Дата
Msg-id 43565957020000250000013A@gwmta.wicourts.gov
обсуждение исходный текст
Ответ на A costing analysis tool  ("Kevin Grittner" <Kevin.Grittner@wicourts.gov>)
Ответы Re: A costing analysis tool  (Josh Berkus <josh@agliodbs.com>)
Список pgsql-hackers
This would require capture of information beyond what I was thinking
about in terms of schema.  Do you think we need to capture just index
type, or something more?  Do you propose that we capture the pg_*
metadata related to every object referenced in the plan, every object
related to every table in the query, or everything in the entire
database?


>>> Josh Berkus <josh@agliodbs.com>  >>>

[smip]

the only way you're going analyze index costing by type 
of index is if the index name is stored somewhere (db_object) so that it

can be matched to its characteristics.

[snip]




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