Horton

ADD COLUMN

Chris Bitmead <chris.bitmead@bigfoot.com>

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From: Chris Bitmead <chris.bitmead@bigfoot.com>
To: pgsql-hackers@hub.org
Date: 1999-05-14T12:34:15Z
Lists: pgsql-hackers 
Can somebody explain briefly what happens when you do an ALTER TABLE ADD
COLUMN? Obviously it doesn't seem to go through the database and update
every record with a new attribute there and then. Does it get updated
the next time the record is retrieved or what is the story there?

-- 
Chris Bitmead
http://www.bigfoot.com/~chris.bitmead
mailto:chris.bitmead@bigfoot.com