left join bug? (fwd)
От | Max Khon |
---|---|
Тема | left join bug? (fwd) |
Дата | |
Msg-id | Pine.BSF.4.21.0012132010020.88026-100000@iclub.nsu.ru обсуждение исходный текст |
Список | 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 ----454334 (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 | 3443 | 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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