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Re: [HACKERS] Finding primary keys in a table

From: darcy(at)druid(dot)net (D'Arcy J(dot)M(dot) Cain)
To: maillist(at)candle(dot)pha(dot)pa(dot)us (Bruce Momjian)
Cc: pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Finding primary keys in a table
Date: 1998-07-20 19:11:23
Message-ID: m0yyLLH-00006FC@druid.net (view raw or flat)
Thread:
Lists: pgsql-hackers
Thus spake Bruce Momjian
> > Can someone suggest a SQL statement to pull out the primary key(s) from
> > a table?
> Because we just create a unique index on a PRIMARY specification, I
> think any unique index on a field shows it as primary.

Hmm.  Any chance we can somehow flag it as well?  Perhaps a new bool
field in pg_index the next time we do a dump & reload release?  I
assume we will need it eventually anyway.

-- 
D'Arcy J.M. Cain <darcy(at){druid|vex}.net>   |  Democracy is three wolves
http://www.druid.net/darcy/                |  and a sheep voting on
+1 416 424 2871     (DoD#0082)    (eNTP)   |  what's for dinner.

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