| 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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| Thread: | |
| Lists: | pgsql-hackers | 
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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| Next Message | Zeugswetter Andreas SB | 2000-12-13 12:59:02 | AW: PLEASE help with foreign key and inheritance proble m | 
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