diff --git a/go/vt/sqlparser/ast.go b/go/vt/sqlparser/ast.go
index b9259f39fc8..db8fca014dc 100644
--- a/go/vt/sqlparser/ast.go
+++ b/go/vt/sqlparser/ast.go
@@ -6529,6 +6529,7 @@ func (node *CollateExpr) replace(from, to Expr) bool {
 
 // FuncExpr represents a function call.
 type FuncExpr struct {
+	Auth      AuthInformation
 	Over      *Over
 	Name      ColIdent
 	Qualifier TableIdent