From 3986912b91ce5a843335424140180fbe557519c1 Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nk@clickhouse.com>
Date: Fri, 13 Dec 2024 11:26:35 +0000
Subject: [PATCH] Skip cross join in findParallelReplicasQuery.

---
 src/Planner/findParallelReplicasQuery.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Planner/findParallelReplicasQuery.cpp b/src/Planner/findParallelReplicasQuery.cpp
index 75655428d8c..c16d72be494 100644
--- a/src/Planner/findParallelReplicasQuery.cpp
+++ b/src/Planner/findParallelReplicasQuery.cpp
@@ -97,6 +97,11 @@ std::vector<const QueryNode *> getSupportingParallelReplicasQuery(const IQueryTr
                 query_tree_node = array_join_node.getTableExpression().get();
                 break;
             }
+            case QueryTreeNodeType::CROSS_JOIN:
+            {
+                /// TODO: We can parallelize one table
+                return {};
+            }
             case QueryTreeNodeType::JOIN:
             {
                 const auto & join_node = query_tree_node->as<JoinNode &>();