fix data race

apache · May 23, 2023 · 48fa685 · 48fa685
1 parent b55760d
commit 48fa685
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/be/src/vec/exec/scan/scanner_context.cpp b/be/src/vec/exec/scan/scanner_context.cpp
@@ -281,6 +281,7 @@ void ScannerContext::clear_and_join(VScanNode* node, RuntimeState* state) {
     _close_and_clear_scanners(node, state);
 
     _blocks_queue.clear();
+    std::unique_lock lock(_free_blocks_lock);
     _free_blocks.clear();
 }