It's very definitely abstracted away in migrations. You write one
basic migration, and the database adapter you've chosen takes care of
these implementation details for you. I can use the same migration on
my Mac with SQLite and on Heroku with PostgreSQL. No changes needed.
Walter
On Jul 13, 2011, at 2:03 PM, Peter Hickman wrote:
Yes, in PostgrSQL you would create an integer column and assign a
sequence to it. I don't know for sure but I expect that you cam do
something similar with other databases. I was wondering if this had
been abstracted away in ar
On Wednesday, 13 July 2011, Tim Shaffer <[email protected]> wrote:
Not quite. The id column is just an integer column.
On MySQL, the id column is an integer column with auto_increment set.
On PostgreSQL, it's still an integer column, but rails also
attaches a sequence object to it.
Are you just looking to create another integer column that is auto
incremented?
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