Fix -Wunused-but-set-variable in yql

If you think that this pr has broken something for you, roll it back
If the problem is not trivial, come to [support](https://nda.ya.ru/t/a1JIzEbo78mtfQ)
Original errors you can see [here](https://nda.ya.ru/t/pFJQM0ho7KSaTN
commit_hash:77d426cfbc646733517e14e69ac61a1afedaf82f

4 files changed, 6 insertions, 6 deletions

diff --git a/yql/essentials/sql/v1/builtin.cpp b/yql/essentials/sql/v1/builtin.cpp
index 077b3d9fed5..78fdd702ad7 100644
--- a/yql/essentials/sql/v1/builtin.cpp
+++ b/yql/essentials/sql/v1/builtin.cpp
@@ -1826,7 +1826,7 @@ public:
 
         const auto memberPos = Args_[0]->GetPos();
         TVector<TNodePtr> repackArgs = {BuildAtom(memberPos, "row", NYql::TNodeFlags::Default)};
-        if (auto literal = Args_[1]->GetLiteral("String")) {
+        if (/* auto literal = */ Args_[1]->GetLiteral("String")) {
             TString targetType;
             if (!GetDataTypeStringNode(ctx, *this, 1, &targetType)) {
                 return false;
diff --git a/yql/essentials/sql/v1/select.cpp b/yql/essentials/sql/v1/select.cpp
index f20668ddbc6..c6ba387e7bd 100644
--- a/yql/essentials/sql/v1/select.cpp
+++ b/yql/essentials/sql/v1/select.cpp
@@ -2430,7 +2430,7 @@ public:
             }
 
             if (ListCall_) {
-                if (auto atom = dynamic_cast<TTableRows*>(term.Get())) {
+                if (/* auto atom = */ dynamic_cast<TTableRows*>(term.Get())) {
                     listPosIndex = termIndex;
                 }
             }
diff --git a/yql/essentials/sql/v1/source.cpp b/yql/essentials/sql/v1/source.cpp
index 1a6038b5e6a..613c521da6e 100644
--- a/yql/essentials/sql/v1/source.cpp
+++ b/yql/essentials/sql/v1/source.cpp
@@ -166,7 +166,7 @@ bool ISource::AddExpressions(TContext& ctx, const TVector<TNodePtr>& expressions
         }
 
         if (exprSeat == EExprSeat::GroupBy) {
-            if (auto sessionWindow = dynamic_cast<TSessionWindow*>(expr.Get())) {
+            if (/* auto sessionWindow = */ dynamic_cast<TSessionWindow*>(expr.Get())) {
                 if (SessionWindow_) {
                     ctx.Error(expr->GetPos()) << "Duplicate session window specification:";
                     ctx.Error(SessionWindow_->GetPos()) << "Previous session window is declared here";
@@ -174,7 +174,7 @@ bool ISource::AddExpressions(TContext& ctx, const TVector<TNodePtr>& expressions
                 }
                 SessionWindow_ = expr;
             }
-            if (auto hoppingWindow = dynamic_cast<THoppingWindow*>(expr.Get())) {
+            if (/* auto hoppingWindow = */ dynamic_cast<THoppingWindow*>(expr.Get())) {
                 if (HoppingWindow_) {
                     ctx.Error(expr->GetPos()) << "Duplicate hopping window specification:";
                     ctx.Error(HoppingWindow_->GetPos()) << "Previous hopping window is declared here";
diff --git a/yql/essentials/sql/v1/sql_select.cpp b/yql/essentials/sql/v1/sql_select.cpp
index 720bf607f17..ea769eb5385 100644
--- a/yql/essentials/sql/v1/sql_select.cpp
+++ b/yql/essentials/sql/v1/sql_select.cpp
@@ -823,7 +823,7 @@ TSourcePtr TSqlSelect::ProcessCore(const TRule_process_core& node, const TWriteS
 
     auto args = call.GetArgs();
     for (auto& arg: args) {
-        if (auto placeholder = dynamic_cast<TTableRows*>(arg.Get())) {
+        if (/* auto placeholder = */ dynamic_cast<TTableRows*>(arg.Get())) {
             if (listCall) {
                 Ctx_.Error() << "Only one TableRows() argument is allowed.";
                 return nullptr;
@@ -946,7 +946,7 @@ TSourcePtr TSqlSelect::ReduceCore(const TRule_reduce_core& node, const TWriteSet
 
     auto args = call.GetArgs();
     for (auto& arg: args) {
-        if (auto placeholder = dynamic_cast<TTableRows*>(arg.Get())) {
+        if (/* auto placeholder = */ dynamic_cast<TTableRows*>(arg.Get())) {
             if (listCall) {
                 Ctx_.Error() << "Only one TableRows() argument is allowed.";
                 return nullptr;