Re: How to find non-unique indexes in system tables
От
Tom Lane
Тема
Re: How to find non-unique indexes in system tables
Дата
Msg-id
21058.1194364452@sss.pgh.pa.us
Ответ на
How to find non-unique indexes in system tables (Eric Johnson)
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Дерево обсуждения
How to find non-unique indexes in system tables "Eric Johnson" <ericlj63@gmail.com>
Re: How to find non-unique indexes in system tables Tom Lane <tgl@sss.pgh.pa.us>
"Eric Johnson" writes: > I can find all the check constraints, primary keys and foreign keys in > the information schema, but I cannot find the non-unique indexes. Is > there anyplace to get that information (name, columns, etc)? Not from the information_schema, because "index" is actually not a concept in the SQL standard. Unique constraints are in the spec, so you can see those via information_schema, but for other sorts of indexes you have to look directly at the PG catalogs. regards, tom lane
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