YQL-19747 Complete select and insert hints

- Related to https://github.com/ydb-platform/ydb/issues/9056
- Related to https://github.com/vityaman/ydb/issues/19

---

Pull Request resolved: https://github.com/ytsaurus/ytsaurus/pull/1189
commit_hash:7f1cb1dcf0617aa2c94c3f2188fc9bd481380252

1 files changed, 12 insertions, 0 deletions

diff --git a/yql/essentials/sql/v1/complete/sql_complete.cpp b/yql/essentials/sql/v1/complete/sql_complete.cpp
index 85fcf87afd1..c3581bfc9ea 100644
--- a/yql/essentials/sql/v1/complete/sql_complete.cpp
+++ b/yql/essentials/sql/v1/complete/sql_complete.cpp
@@ -101,6 +101,12 @@ namespace NSQLComplete {
                 request.Constraints.Function = std::move(constraints);
             }
 
+            if (context.Hint) {
+                THintName::TConstraints constraints;
+                constraints.Statement = context.Hint->StatementKind;
+                request.Constraints.Hint = std::move(constraints);
+            }
+
             if (request.IsEmpty()) {
                 return;
             }
@@ -125,6 +131,9 @@ namespace NSQLComplete {
                         name.Indentifier += "(";
                         return {ECandidateKind::FunctionName, std::move(name.Indentifier)};
                     }
+                    if constexpr (std::is_base_of_v<THintName, T>) {
+                        return {ECandidateKind::HintName, std::move(name.Indentifier)};
+                    }
                 }, std::move(name)));
             }
         }
@@ -182,6 +191,9 @@ void Out<NSQLComplete::ECandidateKind>(IOutputStream& out, NSQLComplete::ECandid
         case NSQLComplete::ECandidateKind::FunctionName:
             out << "FunctionName";
             break;
+        case NSQLComplete::ECandidateKind::HintName:
+            out << "HintName";
+            break;
     }
 }