1 files changed, 23 insertions, 0 deletions
diff --git a/lib/gitlab/sql/pattern.rb b/lib/gitlab/sql/pattern.rb
new file mode 100644
index 00000000000..b42bc67ccfc
--- /dev/null
+++ b/lib/gitlab/sql/pattern.rb
@@ -0,0 +1,23 @@
+module Gitlab
+  module SQL
+    module Pattern
+      extend ActiveSupport::Concern
+
+      MIN_CHARS_FOR_PARTIAL_MATCHING = 3
+
+      class_methods do
+        def to_pattern(query)
+          if partial_matching?(query)
+            "%#{sanitize_sql_like(query)}%"
+          else
+            sanitize_sql_like(query)
+          end
+        end
+
+        def partial_matching?(query)
+          query.length >= MIN_CHARS_FOR_PARTIAL_MATCHING
+        end
+      end
+    end
+  end
+end