left join bug?

From: Max Khon <fjoe(at)iclub(dot)nsu(dot)ru>
To: pgsql-hackers(at)postgresql(dot)org
Subject: left join bug?
Date: 2000-12-13 12:45:55
Message-ID: Pine.BSF.4.21.0012131838500.84271-100000@iclub.nsu.ru
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hi, there!

test=# create table a(id int primary key);
NOTICE: CREATE TABLE/PRIMARY KEY will create implicit index 'a_pkey' for
table 'a'
CREATE
test=# create table b(id int references a);
NOTICE: CREATE TABLE will create implicit trigger(s) for FOREIGN KEY
check(s)
CREATE
test=# insert into a values(45);
INSERT 34924 1
test=# insert into a values(43);
INSERT 34925 1
test=# insert into a values(34);
INSERT 34926 1
test=# select a.id, b.id from a left join b using(id);
id | id
----+----
43 |
45 |
(2 rows)

test=# select * from a;
id
----
45
43
34
(3 rows)

test=# select * from b;
id
----
(0 rows)

test=# insert into b values(34);
INSERT 34927 1
test=# select a.id, b.id from a left join b using(id);
id | id
----+----
34 | 34
43 |
45 |
(3 rows)

test=#

lark:~$psql --version
psql (PostgreSQL) 7.1beta1
contains readline, history, multibyte support
[...]
lark:~$uname -a
FreeBSD xxx 4.2-STABLE FreeBSD 4.2-STABLE #0: Wed Dec
6 17:16:57 NOVT 2000 xxx:/usr/obj/usr/src/sys/alf i386

sorry, if it has already been fixed

/fjoe

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