Re: Outer Joins
От | Bruce Momjian |
---|---|
Тема | Re: Outer Joins |
Дата | |
Msg-id | 200101231728.MAA14979@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Outer Joins (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-general |
> Bruce Momjian <pgman@candle.pha.pa.us> writes: > > Can someone explain why cname and date from table c gets printed in this > > query? > > Say what? > > test=# CREATE TABLE a (id INTEGER, name TEXT, aname TEXT); > CREATE > test=# CREATE TABLE b (id INTEGER, name TEXT, bname TEXT); > CREATE > test=# CREATE TABLE c (id INTEGER, name TEXT, cname TEXT, date DATE DEFAULT > test(# CURRENT_DATE); > CREATE > test=# SELECT * FROM a FULL OUTER JOIN b USING (id); > id | name | aname | name | bname > ----+------+-------+------+------- > (0 rows) The text of the email showed this query returning columns from table c. Seems it was just a mistake in the email. -- Bruce Momjian | http://candle.pha.pa.us pgman@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
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