Fix CTE in INSERT-SELECT

src/Interpreters/InterpreterSelectQuery.cpp

@@ -294,7 +294,7 @@ InterpreterSelectQuery::InterpreterSelectQuery(
     }
 
     // Only propagate WITH elements to subqueries if we're not a subquery
-    if (options.subquery_depth == 0)
+    if (!options.is_subquery)
     {
         if (context->getSettingsRef().enable_global_with_statement)
             ApplyWithAliasVisitor().visit(query_ptr);

src/Interpreters/SelectQueryOptions.h

@@ -33,6 +33,7 @@ struct SelectQueryOptions
     bool ignore_quota = false;
     bool ignore_limits = false;
     bool is_internal = false;
+    bool is_subquery = false; // non-subquery can also have subquery_depth > 0, e.g. insert select
 
     SelectQueryOptions(QueryProcessingStage::Enum stage = QueryProcessingStage::Complete, size_t depth = 0)
         : to_stage(stage), subquery_depth(depth)
@@ -46,6 +47,7 @@ struct SelectQueryOptions
         SelectQueryOptions out = *this;
         out.to_stage = QueryProcessingStage::Complete;
         ++out.subquery_depth;
+        out.is_subquery = true;
         return out;
     }
 

tests/queries/0_stateless/01711_cte_subquery_fix.sql

@@ -0,0 +1,2 @@
+create or replace table t engine = Memory as with cte as (select * from numbers(10)) select * from cte;
+drop table t;