[#2868] fixed unique validator detailed error message not being returned when camelCase field name is used

forms/record_upsert.go

@@ -896,7 +896,7 @@ func (form *RecordUpsert) prepareError(err error) error {
 		c := form.record.Collection()
 		for _, f := range c.Schema.Fields() {
 			// blank space to unify multi-columns lookup
-			if strings.Contains(msg+" ", fmt.Sprintf("%s.%s ", strings.ToLower(c.Name), f.Name)) {
+			if strings.Contains(msg+" ", strings.ToLower(c.Name+"."+f.Name)) {
 				validationErrs[f.Name] = validation.NewError("validation_not_unique", "Value must be unique")
 			}
 		}