mig.diff

$ git diff
diff --git a/src/ggrc/migrations/versions/20171110090511_4b9a43e7b623_fix_notes_data.py b/src/ggrc/migrations/versions/20171110090511_4b9a43e7b623_fix_notes_data.py
index 0641cdf12..fdec05214 100644
--- a/src/ggrc/migrations/versions/20171110090511_4b9a43e7b623_fix_notes_data.py
+++ b/src/ggrc/migrations/versions/20171110090511_4b9a43e7b623_fix_notes_data.py
@@ -18,6 +18,11 @@ revision = '4b9a43e7b623'
 down_revision = '33d043d8ba29'
 
 
+IGNORE_TABLES = {
+    "custom_attribute_definitions",
+}
+
+
 def upgrade():
   """Upgrade database schema and/or data, creating a new revision."""
   connection = op.get_bind()
@@ -30,8 +35,12 @@ def upgrade():
       """)
   query = "UPDATE {table_name} SET {col_name}='' WHERE {col_name} IS NULL;"
   for table_name, col_name in results:
+    if table_name in IGNORE_TABLES:
+      continue
+    print "Removing null values from: {} - {}".format(table_name, col_name)
     connection.execute(query.format(table_name=table_name,
                                     col_name=col_name))
+    print "Setting filed to non-nullable: {} - {}".format(table_name, col_name)
     op.alter_column(table_name, col_name, nullable=False,
                     existing_type=sa.Text())