information_schema.referential_constraints contains NULLs

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Тема information_schema.referential_constraints contains NULLs
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Msg-id 1318605072.74535.YahooMailNeo@web37907.mail.mud.yahoo.com
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Ответы Re: information_schema.referential_constraints contains NULLs  (Tom Lane <tgl@sss.pgh.pa.us>)
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PostgreSQL 9.1.0


For some of the referential constraints listed in my information_schema.referential_constraints table the values for
thefields unique_constraint_catalog, unique_constraint_schema, and unique_constraint_name are NULL. There doesn't seem
tobe any rhyme or reason to which ones have values and which ones don't. They should all have values, right? Any ideas
whatcould be going on?

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