"""chat likes

Revision ID: 14ed03c84589
Revises: ea1490f40966
Create Date: 2022-02-11 16:46:39.814181

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

# revision identifiers, used by Alembic.
revision = '14ed03c84589'
down_revision = 'ea1490f40966'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.execute('update cmf_chat_message set likes = \'[]\' where likes is null')
    op.alter_column('cmf_chat_message', 'likes',
               existing_type=sa.TEXT(),
               nullable=False, server_default='[]')
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('cmf_chat_message', 'likes',
               existing_type=sa.TEXT(),
               nullable=True)