"""empty message Revision ID: 95cd4cf40d7a Revises: dc09994b7e65 Create Date: 2023-05-30 08:44:11.636511 """ from alembic import op import sqlalchemy as sa # revision identifiers, used by Alembic. revision = '95cd4cf40d7a' down_revision = 'dc09994b7e65' branch_labels = None depends_on = None bind = op.get_context().bind insp = sa.inspect(bind) def column_exists(table_name, column_name): columns = insp.get_columns(table_name) return any(c["name"] == column_name for c in columns) def upgrade(): with op.batch_alter_table('table_history') as batch_op: if not column_exists('table_history', 'matched'): batch_op.add_column(sa.Column('matched', sa.Text)) if not column_exists('table_history', 'not_matched'): batch_op.add_column(sa.Column('not_matched', sa.Text)) with op.batch_alter_table('table_history_movie') as batch_op: if not column_exists('table_history_movie', 'matched'): batch_op.add_column(sa.Column('matched', sa.Text)) if not column_exists('table_history_movie', 'not_matched'): batch_op.add_column(sa.Column('not_matched', sa.Text)) def downgrade(): pass