"""chat contact

Revision ID: 1b550ec8d88a
Revises: 614be43d92f8
Create Date: 2021-10-05 09:16:01.834007

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import postgresql

# revision identifiers, used by Alembic.
revision = '1b550ec8d88a'
down_revision = '614be43d92f8'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('cmf_chat_group', sa.Column('contact_id', sa.String(length=64), nullable=True))
    op.create_index(op.f('ix_cmf_chat_group_contact_id'), 'cmf_chat_group', ['contact_id'], unique=False)
    op.create_foreign_key(None, 'cmf_chat_group', 'cmf_person', ['contact_id'], ['id'])

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_constraint(None, 'cmf_chat_group', type_='foreignkey')
    op.drop_index(op.f('ix_cmf_chat_group_contact_id'), table_name='cmf_chat_group')
    op.drop_column('cmf_chat_group', 'contact_id')
    # ### end Alembic commands ###