33 lines
763 B
Python
33 lines
763 B
Python
"""add chat variables
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Revision ID: c49178636c78
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Revises: 9a1b2c3d4e5f
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Create Date: 2026-07-23 23:33:45.497453
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"""
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from typing import Sequence, Union
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import sqlalchemy as sa
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from alembic import op
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# revision identifiers, used by Alembic.
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revision: str = 'c49178636c78'
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down_revision: Union[str, None] = '9a1b2c3d4e5f'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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conn = op.get_bind()
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inspector = sa.inspect(conn)
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columns = [col['name'] for col in inspector.get_columns('chat')]
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if 'variables' not in columns:
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op.add_column('chat', sa.Column('variables', sa.JSON(), nullable=True))
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def downgrade() -> None:
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op.drop_column('chat', 'variables')
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