On 08/26/2013 03:27 PM, Monsyne Dragon wrote:
You should be able to get the dialect_name from the context in the alembic
migration and do something like:
if dialect_name == 'sqlite':
#Do whacky sqlite stuff hereŠ
else:
#sane db migration hère...
Hmm, ok, thanks for the suggestion, Dragon, I'll check into that.
Best,
-jay
On 8/26/13 1:59 PM, "Sandy Walsh" <sandy.wa...@rackspace.com> wrote:
I'm getting the same problem with a different migration (mine is
complaining that a column already exists)
http://paste.openstack.org/show/44512/
I've compared it to the other migrations and it seems fine.
-S
On 08/26/2013 02:34 PM, Jay Pipes wrote:
Hey all,
I'm trying to figure out what is going wrong with my code for this
patch:
https://review.openstack.org/41316
I had previously added a sqlalchemy-migrate migration script to add an
event_type table, and had that working, but then was asked to instead
use Alembic for migrations. So, I removed the sqlalchemy-migrate
migration file and added an Alembic migration [1].
Unfortunately, I am getting the following error when running tests:
OperationalError: (OperationalError) table event_type already exists
u'\nCREATE TABLE event_type (\n\tid INTEGER NOT NULL, \n\t"desc"
VARCHAR(255), \n\tPRIMARY KEY (id), \n\tUNIQUE ("desc")\n)\n\n' ()
The migration adds the event_type table. I've seen this error occur
before when using SQLite due to SQLite's ALTER TABLE statement not
allowing the rename of a column. In the sqlalchemy-migrate migration, I
had a specialized SQLite migration upgrade [2] and downgrade [3] script,
but I'm not sure how I am supposed to handle this in Alembic. Could
someone help me out?
Thanks,
-jay
[1]
https://review.openstack.org/#/c/41316/16/ceilometer/storage/sqlalchemy/a
lembic/versions/49036daaaafd_add_event_types.py
[2]
https://review.openstack.org/#/c/41316/14/ceilometer/storage/sqlalchemy/m
igrate_repo/versions/013_sqlite_upgrade.sql
[3]
https://review.openstack.org/#/c/41316/14/ceilometer/storage/sqlalchemy/m
igrate_repo/versions/013_sqlite_downgrade.sql
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