diff --git a/resources/sql/autopatches/20140712.projcoluniq.sql b/resources/sql/autopatches/20140712.projcoluniq.sql
new file mode 100644
index 0000000000..0b0030dd0a
--- /dev/null
+++ b/resources/sql/autopatches/20140712.projcoluniq.sql
@@ -0,0 +1,5 @@
+ALTER TABLE {$NAMESPACE}_project.project_column
+  DROP KEY key_sequence;
+
+ALTER TABLE {$NAMESPACE}_project.project_column
+  ADD KEY key_sequence (projectPHID, sequence);