35 lines
786 B
Python
35 lines
786 B
Python
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"""add created_at to tasks
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Revision ID: ac2bd309d20c
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Revises: 40867bd0dcc8
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Create Date: 2020-05-20 12:36:53.685254
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = 'ac2bd309d20c'
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down_revision = '40867bd0dcc8'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Requires batching for non-constant default under SQLite.
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with op.batch_alter_table('tasks', recreate='always') as batch:
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batch.add_column(
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sa.Column(
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'created_at',
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sa.DateTime,
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server_default=sa.func.current_timestamp(),
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nullable=False
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)
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)
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def downgrade():
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with op.batch_alter_table('tasks') as tasks:
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tasks.drop_column('created_at')
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