46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
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"""make updated field nullable
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Revision ID: eaa992d1469b
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Revises:
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Create Date: 2020-07-04 18:08:31.035209
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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 = "eaa992d1469b"
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down_revision = None
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branch_labels = None
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depends_on = None
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def upgrade():
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tables = {
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"modified": "cities",
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"modified": "games",
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"cancel_date": "games",
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"modified": "payments",
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"modified": "player_availabilities",
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"modified": "player_cancel_games",
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"modified": "purchase_games",
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"modified": "sports",
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"modified": "teams",
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"modified": "user_ratings",
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"modified": "venues",
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"updated": "venue_images",
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"updated": "web_bookings",
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}
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for field, table in tables.items():
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with op.batch_alter_table(table) as batch_op:
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batch_op.alter_column(column_name=field, nullable=True)
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query = "UPDATE {0} SET {1} = NULL WHERE {1} = '0000-00-00 00:00:00'".format(
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table, field
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)
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op.execute(query)
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def downgrade():
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pass
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