Add script to set notifications sent count on jobs table.

migrations/versions/0035_default_sent_count.py

@@ -0,0 +1,27 @@
+"""empty message
+
+Revision ID: 0035_default_sent_count
+Revises: 0034_job_sent_count
+Create Date: 2016-03-08 09:08:55.721654
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '0035_default_sent_count'
+down_revision = '0034_job_sent_count'
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    op.execute('update jobs set notifications_sent = notification_count')
+    op.alter_column('jobs', 'notifications_sent',
+               existing_type=sa.INTEGER(),
+               nullable=False)
+
+
+def downgrade():
+    op.alter_column('jobs', 'notifications_sent',
+               existing_type=sa.INTEGER(),
+               nullable=True)