Iterative Optimization on Hot Paths: Optimization 4: Preventing escape of complex data types

sqlgen.go.diff

func makeWhere(table *Table, filter Filter) (*SimpleWhere, error) {
	for name, value := range filter {
		// ...
-		l = append(l, whereElem{column: column, value: column.Descriptor.Valuer(reflect.ValueOf(value))})
+		v, err := column.Descriptor.Valuer(reflect.ValueOf(value)).Value()
+		if err != nil {
+			return nil, err
+		}
+		l = append(l, whereElem{column: column, value: v})
	}
	// ...
}