Re: Weird Alembic Behavior

2017-10-30 Thread amit
I checked the db post failed migration for bacnet_object. The Entityproperty table no longer has that column. Plus the migration upward from base to head works fine. On Tuesday, October 31, 2017 at 9:27:59 AM UTC+5:30, Mike Bayer wrote: > > On Mon, Oct 30, 2017 at 11:23 PM, > > wrote: > > I ha

Re: Weird Alembic Behavior

2017-10-30 Thread amit
The EntityProperty table was created by application itself from a time earlier to the introduction of alembic for the migrations. So should I create the EntityProperty table in the migration script itself? If so then how the models connect. The one sitting in the application and the one in the

Weird Alembic Behavior

2017-10-30 Thread amit
I have 2 migration scripts. The first 1 (base) is this from models import EntityProperty from contextlib import contextmanager # revision identifiers, used by Alembic. revision = 'ecbde8fa83e3' down_revision = None branch_labels = None depends_on = None from alembic import op # noqa impor

Re: Running Migrations Simulataneously

2016-04-27 Thread Amit Saha
ght about doing it in alembic and not done it because that may not be the best idea? Just trying to understand. > > > On Tuesday, April 26, 2016, Amit Saha wrote: >> >> On Wed, Apr 27, 2016 at 12:37 AM, Mike Bayer >> wrote: >> > >> > >> > On 0

Re: Running Migrations Simulataneously

2016-04-26 Thread Amit Saha
On Wed, Apr 27, 2016 at 12:37 AM, Mike Bayer wrote: > > > On 04/26/2016 01:22 AM, Amit Saha wrote: >> >> On Tue, Apr 26, 2016 at 12:33 PM, Mike Bayer >> wrote: >>> >>> >>> >>> On 04/25/2016 08:30 PM, Amit Saha wrote: >>>

Re: Running Migrations Simulataneously

2016-04-25 Thread Amit Saha
On Tue, Apr 26, 2016 at 12:33 PM, Mike Bayer wrote: > > > On 04/25/2016 08:30 PM, Amit Saha wrote: >> >> Hi all, >> >> In my scenario, DB migrations (via alembic) will be run as part of the >> app deployment and multiple app deployments will happen near &g

Running Migrations Simulataneously

2016-04-25 Thread Amit Saha
a read/write lock on alembic_version table for the entire migration? (And hence instance #2 never will need to run the migration since when it reads alembic_version, the DB already has the migrated schema). Thanks for your insights. Best Wishes, Amit. -- You received this message because y