From 0078a445d2c13ae14d003ce4c67f045ad3fcf5c3 Mon Sep 17 00:00:00 2001
From: Mryange <59914473+Mryange@users.noreply.github.com>
Date: Tue, 28 Nov 2023 23:24:56 +0800
Subject: [PATCH] [fix](pipelineX) make union source do not block (#27721)

---
 be/src/pipeline/exec/union_source_operator.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/be/src/pipeline/exec/union_source_operator.h b/be/src/pipeline/exec/union_source_operator.h
index c39ea3dbc4..0927ddb9ab 100644
--- a/be/src/pipeline/exec/union_source_operator.h
+++ b/be/src/pipeline/exec/union_source_operator.h
@@ -75,6 +75,8 @@ public:
     UnionSourceDependency(int id, int node_id, QueryContext* query_ctx)
             : Dependency(id, node_id, "UnionSourceDependency", query_ctx) {}
     ~UnionSourceDependency() override = default;
+
+    void block() override {}
 };
 
 class UnionSourceOperatorX;