wjones127 commented on a change in pull request #12339:
URL: https://github.com/apache/arrow/pull/12339#discussion_r803145529
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File path: cpp/src/arrow/compute/exec/hash_join.cc
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@@ -151,6 +151,7 @@ class HashJoinBasicImpl : public HashJoinImpl {
}
void InitLocalStateIfNeeded(size_t thread_index) {
+ DCHECK_LT(thread_index, local_states_.size());
ThreadLocalState& local_state = local_states_[thread_index];
Review comment:
So far I've found that this DCHECK is not passing. So either we are
missing a `ThreadLocalState` or the thread_index being passed is wrong.
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