diff --git a/sq/params.go b/sq/params.go
index 33cc03c..24eb9b6 100644
--- a/sq/params.go
+++ b/sq/params.go
@@ -1,3 +1,13 @@
 package sq
 
 type PP map[string]any
+
+func Join(pps ...PP) PP {
+	r := PP{}
+	for _, add := range pps {
+		for k, v := range add {
+			r[k] = v
+		}
+	}
+	return r
+}