use child on no targets

Author: elianddb

sql/plan/delete.go

@@ -72,7 +72,10 @@ func (p *DeleteFrom) WithExplicitTargets(targets []sql.Node) *DeleteFrom {
 
 // GetDeleteTargets returns the sql.Nodes representing the tables from which rows should be deleted.
 func (p *DeleteFrom) GetDeleteTargets() []sql.Node {
-	return p.targets
+	if len(p.targets) > 0 {
+		return p.targets
+	}
+	return []sql.Node{p.Child}
 }
 
 // Schema implements the sql.Node interface.