Re: [HACKERS] Failures with arrays

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: olly(at)lfix(dot)co(dot)uk (Oliver Elphick)
Cc: bugs(at)postgreSQL(dot)org, hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] Failures with arrays
Date: 1998-12-18 18:06:18
Message-ID: 199812181806.NAA03884@candle.pha.pa.us
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New TODO list item:

* select t[1] from foo fails, select count(foo.t[1]) from foo crashes

> This was reported as a bug with the Debian package of 6.3.2; the same
> behaviour is still present in 6.4.
>
> bray=> create table foo ( t text[]);
> CREATE
> bray=> insert into foo values ( '{"a"}');
> INSERT 201354 1
> bray=> insert into foo values ( '{"a","b"}');
> INSERT 201355 1
> bray=> insert into foo values ( '{"a","b","c"}');
> INSERT 201356 1
> bray=> select * from foo;
> t
> -------------
> {"a"}
> {"a","b"}
> {"a","b","c"}
> (3 rows)
>
> bray=> select t[1] from foo;
> ERROR: type name lookup of t failed
> bray=> select * from foo;
> t
> -------------
> {"a"}
> {"a","b"}
> {"a","b","c"}
> (3 rows)
>
> bray=> select foo.t[1] from foo;
> t
> -
> a
> a
> a
> (3 rows)
>
> bray=> select count(foo.t[1]) from foo;
> pqReadData() -- backend closed the channel unexpectedly.
>
> --
> Oliver Elphick Oliver(dot)Elphick(at)lfix(dot)co(dot)uk
> Isle of Wight http://www.lfix.co.uk/oliver
> PGP key from public servers; key ID 32B8FAA1
> ========================================
> "Let us therefore come boldly unto the throne of grace,
> that we may obtain mercy, and find grace to help in
> time of need." Hebrews 4:16
>
>
>
>

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

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