47 lines
1.6 KiB
Python
47 lines
1.6 KiB
Python
"""Create user_starred_file table and remove starred column
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Revision ID: create_user_starred_file_table
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Revises: 6651332488d9
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Create Date: 2024-03-19 10:00:00.000000
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"""
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from alembic import op
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import sqlalchemy as sa
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from sqlalchemy import inspect
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from sqlalchemy.dialects import postgresql
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# revision identifiers, used by Alembic.
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revision = 'create_user_starred_file_table'
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down_revision = '6651332488d9'
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branch_labels = None
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depends_on = None
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def upgrade():
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# Create user_starred_file table
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conn = op.get_bind()
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inspector = inspect(conn)
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tables = inspector.get_table_names()
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if 'user_starred_file' not in tables:
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op.create_table('user_starred_file',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('user_id', sa.Integer(), nullable=False),
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sa.Column('file_id', sa.Integer(), nullable=False),
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sa.Column('starred_at', sa.DateTime(), nullable=True),
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sa.ForeignKeyConstraint(['file_id'], ['room_file.id'], ),
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sa.ForeignKeyConstraint(['user_id'], ['user.id'], ),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('user_id', 'file_id', name='unique_user_file_star')
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)
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# Remove starred column from room_file
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with op.batch_alter_table('room_file', schema=None) as batch_op:
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batch_op.drop_column('starred')
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def downgrade():
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# Add starred column back to room_file
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with op.batch_alter_table('room_file', schema=None) as batch_op:
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batch_op.add_column(sa.Column('starred', sa.Boolean(), nullable=True))
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# Drop user_starred_file table
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op.drop_table('user_starred_file') |