Sorry to nag, but... [Failures with arrays]
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.
--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
PGP key from public servers; key ID 32B8FAA1
========================================
"Go ye therefore, and teach all nations, baptizing them
in the name of the Father, and of the Son, and of the
Holy Ghost; Teaching them to observe all things
whatsoever I have commanded you; and, lo, I am with
you alway, even unto the end of the world. Amen."
Matthew 28:19,20
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, Pennsylvania 19026
Added to TODO.
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.--
Oliver Elphick Oliver.Elphick@lfix.co.uk
Isle of Wight http://www.lfix.co.uk/oliver
PGP key from public servers; key ID 32B8FAA1
========================================
"Go ye therefore, and teach all nations, baptizing them
in the name of the Father, and of the Son, and of the
Holy Ghost; Teaching them to observe all things
whatsoever I have commanded you; and, lo, I am with
you alway, even unto the end of the world. Amen."
Matthew 28:19,20
--
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, Pennsylvania 19026