"""empty message

Revision ID: 0042_default_stats_to_zero
Revises: 0041_platform_admin
Create Date: 2016-03-17 11:09:17.906910

"""

# revision identifiers, used by Alembic.
revision = '0042_default_stats_to_zero'
down_revision = '0041_platform_admin'

from alembic import op
import sqlalchemy as sa


def upgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.get_bind()
    op.execute('update notification_statistics set emails_delivered = 0 where emails_delivered is Null')
    op.execute('update notification_statistics set emails_error = 0 where emails_error is Null')
    op.execute('update notification_statistics set sms_delivered = 0 where sms_delivered is Null')
    op.execute('update notification_statistics set sms_error = 0 where sms_error is Null')
    op.alter_column('notification_statistics', 'emails_requested', server_default='0')
    op.alter_column('notification_statistics', 'emails_delivered', server_default='0', nullable=False)
    op.alter_column('notification_statistics', 'emails_error', server_default='0', nullable=False)
    op.alter_column('notification_statistics', 'sms_requested', server_default='0')
    op.alter_column('notification_statistics', 'sms_delivered', server_default='0', nullable=False)
    op.alter_column('notification_statistics', 'sms_error', server_default='0', nullable=False)
    ### end Alembic commands ###


def downgrade():
    ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('notification_statistics', 'emails_requested', server_default=None)
    op.alter_column('notification_statistics', 'emails_delivered', server_default=None, nullable=True)
    op.alter_column('notification_statistics', 'emails_error', server_default=None, nullable=True)
    op.alter_column('notification_statistics', 'sms_requested', server_default=None)
    op.alter_column('notification_statistics', 'sms_delivered', server_default=None, nullable=True)
    op.alter_column('notification_statistics', 'sms_error', server_default=None, nullable=True)
    op.execute('update notification_statistics set emails_delivered = Null where emails_delivered = 0')
    op.execute('update notification_statistics set emails_error = Null where emails_error = 0')
    op.execute('update notification_statistics set sms_delivered = Null where sms_delivered = 0')
    op.execute('update notification_statistics set sms_error = Null where sms_error = 0')
    ### end Alembic commands ###