"""sla_change_time_to_nullable

Revision ID: b78d4712f469
Revises: 4c99944b5238
Create Date: 2023-04-01 11:45:19.818211

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

# revision identifiers, used by Alembic.
revision = 'b78d4712f469'
down_revision = '4c99944b5238'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('cmf_calendar_workday', 'from_time',
               existing_type=postgresql.TIME(),
               nullable=True)
    op.alter_column('cmf_calendar_workday', 'to_time',
               existing_type=postgresql.TIME(),
               nullable=True)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('cmf_calendar_workday', 'to_time',
               existing_type=postgresql.TIME(),
               nullable=False)
    op.alter_column('cmf_calendar_workday', 'from_time',
               existing_type=postgresql.TIME(),
               nullable=False)
    # ### end Alembic commands ###