Better SanitizeWhereClause

pkg/restheadspec/handler.go

@@ -652,6 +652,7 @@ func (h *Handler) applyPreloadWithRecursion(query common.SelectQuery, preload co
 				sq = sq.Order(fmt.Sprintf("%s %s", sort.Column, sort.Direction))
 			}
 		}
+		
 
 		// Apply WHERE clause
 		if len(preload.Where) > 0 {

pkg/restheadspec/headers.go

@@ -267,6 +267,12 @@ func (h *Handler) parseOptionsFromHeaders(r common.Request, model interface{}) E
 		h.resolveRelationNamesInOptions(&options, model)
 	}
 
+	//Always sort according to the primary key if no sorting is specified
+	if len(options.Sort) == 0 {
+		pkName := reflection.GetPrimaryKeyName(model)
+		options.Sort = []common.SortOption{{Column: pkName, Direction: "ASC"}}
+	}
+
 	return options
 }