colin-r-schultz commented on code in PR #45372:
URL: https://github.com/apache/arrow/pull/45372#discussion_r1934503264
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cpp/src/arrow/record_batch_test.cc:
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@@ -393,6 +399,27 @@ TEST_F(TestRecordBatch, RemoveColumnEmpty) {
AssertBatchesEqual(*added, *batch1);
}
+TEST_F(TestRecordBatch, ColumnsThreadSafety) {
+ const int length = 10;
+
+ random::RandomArrayGenerator gen(42);
+ std::shared_ptr<ArrayData> array_data = gen.ArrayOf(utf8(), length)->data();
+ auto schema = ::arrow::schema({field("f1", utf8())});
+ auto record_batch = RecordBatch::Make(schema, length, {array_data});
+ std::atomic_bool start_flag{false};
+ std::thread t([record_batch, &start_flag]() {
Review Comment:
In the current test the race is between `t` and the main thread. Only 2
threads are necessary to produce the data race.
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