Search: Explain scores (#98316)

pkg/storage/unified/resource/document.go

@@ -343,6 +343,16 @@ func StandardSearchFields() SearchableDocumentFields {
 				Type:        ResourceTableColumnDefinition_INT64,
 				Description: "created timestamp", // date?
 			},
+			{
+				Name:        SEARCH_FIELD_EXPLAIN,
+				Type:        ResourceTableColumnDefinition_OBJECT,
+				Description: "Explain why this result matches (depends on the engine)",
+			},
+			{
+				Name:        SEARCH_FIELD_SCORE,
+				Type:        ResourceTableColumnDefinition_DOUBLE,
+				Description: "The search score",
+			},
 		})
 		if err != nil {
 			panic("failed to initialize standard search fields")

pkg/storage/unified/resource/table.go

@@ -123,6 +123,9 @@ func NewTableBuilder(cols []*ResourceTableColumnDefinition) (*TableBuilder, erro
 	}
 	var err error
 	for i, v := range cols {
+		if v == nil {
+			return nil, fmt.Errorf("invalid field definitions")
+		}
 		if table.lookup[v.Name] != nil {
 			table.hasDuplicateNames = true
 			continue