YQL-19747: Improve types completion

Instead of relying on keyword sequences provided by C3 and using hacks like pattern matching on keyword sequences (`format.cpp`), emit composite types manually.
commit_hash:999d8d4b514433fbdf7885aa0122b2010e985efb

1 files changed, 10 insertions, 0 deletions

diff --git a/yql/essentials/sql/v1/complete/sql_complete.cpp b/yql/essentials/sql/v1/complete/sql_complete.cpp
index 786155912c0..eea7571e8f1 100644
--- a/yql/essentials/sql/v1/complete/sql_complete.cpp
+++ b/yql/essentials/sql/v1/complete/sql_complete.cpp
@@ -190,6 +190,16 @@ namespace NSQLComplete {
                 }
 
                 if constexpr (std::is_base_of_v<TTypeName, T>) {
+                    switch (name.Kind) {
+                        case TTypeName::EKind::Simple: {
+                        } break;
+                        case TTypeName::EKind::Container: {
+                            name.Indentifier += "<";
+                        } break;
+                        case TTypeName::EKind::Parameterized: {
+                            name.Indentifier += "(";
+                        } break;
+                    }
                     return {ECandidateKind::TypeName, std::move(name.Indentifier)};
                 }