Removed parse-time CTE authorization

go/vt/sqlparser/auth.go

@@ -275,41 +275,3 @@ func OverwriteAuthTargetNames(node SQLNode, targetNames []string, walkChildren b
 	}
 	return node
 }
-
-// WalkAuthNodes walks the node tree to find all nodes that implement AuthNode. This allows for fine-grained control of
-// modifying AuthInformation within a tree.
-func WalkAuthNodes(node SQLNode, f func(node AuthNode, authInfo AuthInformation)) {
-	if authNode, ok := node.(AuthNode); ok {
-		authInfo := authNode.GetAuthInformation()
-		f(authNode, authInfo)
-	}
-	if walkableNode, ok := node.(WalkableSQLNode); ok {
-		_ = walkableNode.walkSubtree(func(node SQLNode) (bool, error) {
-			if authNode, ok := node.(AuthNode); ok {
-				authInfo := authNode.GetAuthInformation()
-				f(authNode, authInfo)
-			}
-			return true, nil
-		})
-	}
-}
-
-// handleCTEAuth handles auth with CTEs, since we want to ignore any mentions of CTEs as far as auth is concerned. The
-// CTE declarations will contain their own auth checks.
-func handleCTEAuth(node SQLNode, with *With) {
-	if with == nil || node == nil {
-		return
-	}
-	aliases := make(map[string]struct{})
-	for _, cte := range with.Ctes {
-		aliases[cte.As.String()] = struct{}{}
-	}
-	WalkAuthNodes(node, func(node AuthNode, authInfo AuthInformation) {
-		for _, targetName := range authInfo.TargetNames {
-			if _, ok := aliases[targetName]; ok {
-				node.SetAuthType(AuthType_IGNORE)
-				break
-			}
-		}
-	})
-}