YQL-19747: Complete table functions

- Added table functions completion.

- Also fixed a bug when USEd cluster
  was not added to table context at table
  function argument.

- Complete folder names at `prefix`
  of `LIKE`, `RANGE`, etc.
commit_hash:26be383be728796e8431f906e2815acd77645ad4

1 files changed, 8 insertions, 0 deletions

diff --git a/yql/essentials/sql/v1/complete/analysis/local/parser_call_stack.cpp b/yql/essentials/sql/v1/complete/analysis/local/parser_call_stack.cpp
index 7b30d2a20d7..9f0501f1968 100644
--- a/yql/essentials/sql/v1/complete/analysis/local/parser_call_stack.cpp
+++ b/yql/essentials/sql/v1/complete/analysis/local/parser_call_stack.cpp
@@ -98,6 +98,10 @@ namespace NSQLComplete {
                EndsWith({RULE(Value_constructor)}, stack);
     }
 
+    bool IsLikelyTableFunctionStack(const TParserCallStack& stack) {
+        return EndsWith({RULE(Table_ref), RULE(An_id_expr), RULE(Id_expr)}, stack);
+    }
+
     bool IsLikelyHintStack(const TParserCallStack& stack) {
         return ContainsRule(RULE(Id_hint), stack) ||
                Contains({RULE(External_call_param), RULE(An_id)}, stack);
@@ -119,6 +123,10 @@ namespace NSQLComplete {
                           RULE(Id_table_or_type)}, stack));
     }
 
+    bool IsLikelyTableArgStack(const TParserCallStack& stack) {
+        return Contains({RULE(Table_arg)}, stack);
+    }
+
     bool IsLikelyClusterStack(const TParserCallStack& stack) {
         return Contains({RULE(Cluster_expr)}, stack);
     }