Index creation fails on field.db_type() is None

Sometimes field.db_type doesn't return a value what should raise an index creation error.
jarus · Jul 18, 2013 · 535e519 · 535e519
1 parent a3e7d73
commit 535e519
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/django/db/backends/postgresql_psycopg2/creation.py b/django/db/backends/postgresql_psycopg2/creation.py
@@ -68,10 +68,10 @@ def get_index_sql(index_name, opclass=''):
             # needed when performing correct LIKE queries outside the
             # C locale. See #12234.
             db_type = f.db_type(connection=self.connection)
-            if db_type.startswith('varchar'):
+            if db_type and db_type.startswith('varchar'):
                 output.append(get_index_sql('%s_%s_like' % (db_table, f.column),
                                             ' varchar_pattern_ops'))
-            elif db_type.startswith('text'):
+            elif db_type and db_type.startswith('text'):
                 output.append(get_index_sql('%s_%s_like' % (db_table, f.column),
                                             ' text_pattern_ops'))
         return output