| 1234567891011121314151617181920212223242526272829303132333435363738 | """update player join tablesRevision ID: a5cc743d9119Revises: ba34a39acf0eCreate Date: 2019-09-03 11:42:13.438545"""from alembic import opimport sqlalchemy as sa# revision identifiers, used by Alembic.revision = 'a5cc743d9119'down_revision = 'ba34a39acf0e'branch_labels = Nonedepends_on = Nonedef upgrade():    op.add_column('election_stat', sa.Column('party_id', sa.Integer(), nullable=True))    op.create_foreign_key(op.f('fk_election_stat_party_id_party'), 'election_stat', 'party', ['party_id'], ['id'])    op.add_column('player_location', sa.Column('from_date_time', sa.DateTime(), nullable=True))    op.add_column('player_location', sa.Column('until_date_time', sa.DateTime(), nullable=True))    op.add_column('player_party', sa.Column('from_date_time', sa.DateTime(), nullable=True))    op.add_column('player_party', sa.Column('until_date_time', sa.DateTime(), nullable=True))    op.add_column('player_residency', sa.Column('from_date_time', sa.DateTime(), nullable=True))    op.add_column('player_residency', sa.Column('until_date_time', sa.DateTime(), nullable=True))def downgrade():    op.drop_column('player_residency', 'until_date_time')    op.drop_column('player_residency', 'from_date_time')    op.drop_column('player_party', 'until_date_time')    op.drop_column('player_party', 'from_date_time')    op.drop_column('player_location', 'until_date_time')    op.drop_column('player_location', 'from_date_time')    op.drop_constraint(op.f('fk_election_stat_party_id_party'), 'election_stat', type_='foreignkey')    op.drop_column('election_stat', 'party_id')
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