Forbid fuse maps with DependsOn loss in peephole

commit_hash:bbf47867e6f6f8279028477731530945b414993b

1 files changed, 0 insertions, 21 deletions

diff --git a/yql/essentials/ast/yql_expr.cpp b/yql/essentials/ast/yql_expr.cpp
index 4c596895077..97bd2f294ea 100644
--- a/yql/essentials/ast/yql_expr.cpp
+++ b/yql/essentials/ast/yql_expr.cpp
@@ -2300,22 +2300,6 @@ const TTypeAnnotationNode* CompileTypeAnnotation(const TAstNode& node, TExprCont
     return compileCtx.CompileTypeAnnotationNode(node);
 }
 
-template<class Set>
-bool IsDependedImpl(const TExprNode& node, const Set& dependences, TNodeSet& visited) {
-    if (!visited.emplace(&node).second)
-        return false;
-
-    if (dependences.cend() != dependences.find(&node))
-        return true;
-
-    for (const auto& child : node.Children()) {
-        if (IsDependedImpl(*child, dependences, visited))
-            return true;
-    }
-
-    return false;
-}
-
 namespace {
 
 enum EChangeState : ui8 {
@@ -2651,11 +2635,6 @@ TExprNode::TListType TExprContext::ReplaceNodes(TExprNode::TListType&& starts, c
 template TExprNode::TListType TExprContext::ReplaceNodes<true>(TExprNode::TListType&& starts, const TNodeOnNodeOwnedMap& replaces);
 template TExprNode::TListType TExprContext::ReplaceNodes<false>(TExprNode::TListType&& starts, const TNodeOnNodeOwnedMap& replaces);
 
-bool IsDepended(const TExprNode& node, const TNodeSet& dependences) {
-    TNodeSet visited;
-    return !dependences.empty() && IsDependedImpl(node, dependences, visited);
-}
-
 void CheckArguments(const TExprNode& root) {
     try {
         TNodeMap<TNodeSetPtr> unresolvedArgsMap;