"""

Revision ID: 0138_sms_sender_nullable
Revises: 0137_notification_template_hist
Create Date: 2017-11-06 15:44:59.471977

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

revision = '0138_sms_sender_nullable'
down_revision = '0137_notification_template_hist'


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('services', 'sms_sender',
                    existing_type=sa.VARCHAR(length=11),
                    nullable=True)
    op.alter_column('services_history', 'sms_sender',
                    existing_type=sa.VARCHAR(length=11),
                    nullable=True)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('services_history', 'sms_sender',
                    existing_type=sa.VARCHAR(length=11),
                    nullable=False)
    op.alter_column('services', 'sms_sender',
                    existing_type=sa.VARCHAR(length=11),
                    nullable=False)
    # ### end Alembic commands ###