From: | Alexander Farber <alexander(dot)farber(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Copying data from one table to another - how to specify fields? |
Date: | 2011-03-09 14:47:59 |
Message-ID: | AANLkTikjgK_0yKXHvN8gSN50RMj3JHzAqmB3D4USX4tD@mail.gmail.com |
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Lists: | pgsql-general |
Hello Raymond and others,
thank you for looking at my problem!
It is a core Drupal 7 table, with a prefix "drupal_"
(you can set it while installing Drupal 7 in adv. options).
I have only 2 records in that target table:
# select uid, name, mail, created, access from drupal_users;
uid | name | mail | created | access
-----+------+----------------------------+------------+------------
0 | | | 0 | 0
1 | Alex | Alexander(dot)Farber(at)gmail(dot)com | 1299512207 | 1299753672
(2 rows)
I've tried you suggestion and the conflicting record is 'Alex':
# select username, user_id from phpbb_users where exists
(select 1 from drupal_users
where drupal_users.name = phpbb_users.username);
username | user_id
----------+---------
Alex | 2
(1 row)
But isn't that record excluded by the conditions below?
# INSERT INTO drupal_users (uid, name, mail, created, access)
SELECT user_id, username, user_email, user_regdate, user_lastvisit
FROM phpbb_users
WHERE user_id > 50 and length(username) > 0 and username <> 'Alex';
ERROR: duplicate key value violates unique constraint "drupal_users_name_key"
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