Fix SortedMergeStop

Rafał Hibner · Rafał Hibner · commit dbda9af3475b · 2025-09-25T09:49:01.000Z
diff --git a/cpp/src/arrow/acero/sorted_merge_node.cc b/cpp/src/arrow/acero/sorted_merge_node.cc
@@ -278,6 +278,7 @@ class SortedMergeNode : public ExecNode {
 #ifdef ARROW_ENABLE_THREADING
     if (process_thread.joinable()) {
       process_thread.join();
+      return;
     }
 #endif
   }

Original file line number	Diff line number	Diff line change
`@@ -278,6 +278,7 @@ class SortedMergeNode : public ExecNode {`
`278`	`278`	`#ifdef ARROW_ENABLE_THREADING`
`279`	`279`	`if (process_thread.joinable()) {`
`280`	`280`	`process_thread.join();`
	`281`	`+ return;`
`281`	`282`	`}`
`282`	`283`	`#endif`
`283`	`284`	`}`