YQL-20461: Normalize table function names

So now both `AsTable` and `AS_TABLE` work.
commit_hash:ae8c33f44e7b10de02a9d979373f4b0602ff0b12

1 files changed, 8 insertions, 2 deletions

diff --git a/yql/essentials/sql/v1/sql_translation.cpp b/yql/essentials/sql/v1/sql_translation.cpp
index 8f24599cfae..40d7a88776b 100644
--- a/yql/essentials/sql/v1/sql_translation.cpp
+++ b/yql/essentials/sql/v1/sql_translation.cpp
@@ -1459,9 +1459,15 @@ TMaybe<TSourcePtr> TSqlTranslation::AsTableImpl(const TRule_table_ref& node) {
 
     if (block.Alt_case() == TRule_table_ref::TBlock3::kAlt2) {
         auto& alt = block.GetAlt2();
-        TCiString func(Id(alt.GetRule_an_id_expr1(), *this));
 
-        if (func == "as_table") {
+        TString func = Id(alt.GetRule_an_id_expr1(), *this);
+        if (auto issue = NormalizeName(Ctx_.Pos(), func)) {
+            Error() << issue->GetMessage();
+            Ctx_.IncrementMonCounter("sql_errors", "NormalizeTableFunctionError");
+            return nullptr;
+        }
+
+        if (func == "astable") {
             if (node.HasBlock1()) {
                 Ctx_.Error() << "Cluster shouldn't be specified for AS_TABLE source";
                 return TMaybe<TSourcePtr>(nullptr);