Re: [HACKERS] Sorry to nag, but... [Failures with arrays]
От | Bruce Momjian |
---|---|
Тема | Re: [HACKERS] Sorry to nag, but... [Failures with arrays] |
Дата | |
Msg-id | 199812130425.XAA14016@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Sorry to nag, but... [Failures with arrays] ("Oliver Elphick" <olly@lfix.co.uk>) |
Список | pgsql-hackers |
> Is anyone interested in this problem? (At least add it to the TODO list!) > > 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. > I have added: * array index references without table name cause problems* aggregates on array indexes crash backend -- Bruce Momjian | http://www.op.net/~candle maillist@candle.pha.pa.us | (610) 853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania19026
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