28 lines
577 B
Python
28 lines
577 B
Python
"""make year field optional for cars table
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Revision ID: f4c2e3a1c7b4
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Revises: 2f8c9a7d5b42
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Create Date: 2023-05-19 16:35:55.849331
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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 = 'f4c2e3a1c7b4'
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down_revision = '2f8c9a7d5b42'
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branch_labels = None
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depends_on = None
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def upgrade():
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op.alter_column('cars', 'year',
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existing_type=sa.Integer(),
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nullable=True)
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def downgrade():
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op.alter_column('cars', 'year',
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existing_type=sa.Integer(),
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nullable=False) |