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Changed 0052 to not drop the column, rather set it to allow nulls.

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This allows existing code to run.
This commit is contained in:
Martyn Inglis
2016-09-05 13:22:45 +01:00
parent 64bb12c866
commit 22844d1bf2
1 changed files with 5 additions and 8 deletions
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13
migrations/versions/0052_drop_jobs_status.py
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@@ -14,16 +14,13 @@ from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql
def upgrade():
op.alter_column('jobs', 'job_status',
existing_type=sa.VARCHAR(length=255),
nullable=False)
op.drop_column('jobs', 'status')
op.alter_column('jobs', 'job_status', existing_type=sa.VARCHAR(length=255), nullable=False)
op.alter_column('jobs', 'status', existing_type=sa.VARCHAR(length=255), nullable=True)
def downgrade():
# this downgrade leaves status empty and with no not null constraint.
op.add_column('jobs', sa.Column('status', postgresql.ENUM('pending', 'in progress', 'finished', 'sending limits exceeded', name='job_status_types'), autoincrement=False, nullable=True))
op.alter_column('jobs', 'job_status',
existing_type=sa.VARCHAR(length=255),
nullable=True)
op.alter_column('jobs', 'status', existing_type=sa.VARCHAR(length=255), nullable=False)
op.alter_column('jobs', 'job_status', existing_type=sa.VARCHAR(length=255), nullable=True)