Merge pull request #22 from jamiri/add-support-for-sql-nullstring

Add support for sql.NullString
leebenson · Apr 22, 2020 · 8fa7c15 · 8fa7c15
2 parents 4c55492 + 8e3ba2d
commit 8fa7c15
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/conform.go b/conform.go
@@ -228,7 +228,14 @@ func Strings(iface interface{}) error {
 			}
 		case reflect.Struct:
 			if el.CanAddr() && el.Addr().CanInterface() {
-				Strings(el.Addr().Interface())
+				// To handle "sql.NullString" we can assume that tags are added to a field of type struct rather than string
+				if tags := v.Tag.Get("conform"); tags != "" && el.CanSet() {
+					field := el.FieldByName("String")
+					str := field.String()
+					field.SetString(transformString(str, tags))
+				} else {
+					Strings(el.Addr().Interface())
+				}
 			}
 		case reflect.String:
 			if el.CanSet() {