westonpace commented on PR #35565:
URL: https://github.com/apache/arrow/pull/35565#issuecomment-1557979223
I went ahead and added the environment variable too. Now it should be fully
configurable. I tested the environment variable manually:
```
./debug/arrow-acero-plan-test --gtest_filter=ExecPlanExecution.UnalignedInput
...
/home/pace/dev/arrow/cpp/src/arrow/acero/source_node.cc:76: An input buffer
was poorly aligned. This could lead to crashes or poor performance on some
hardware. Please ensure that all Acero sources generate aligned buffers.
...
[ PASSED ] 1 test.
ACERO_ALIGNMENT_HANDLING=abort ./debug/arrow-acero-plan-test
--gtest_filter=ExecPlanExecution.UnalignedInput
...
/home/pace/dev/arrow/cpp/src/arrow/acero/plan_test.cc:1724: Failure
Failed
'DeclarationToStatus(plan)' failed with Invalid: An input buffer was poorly
aligned and UnalignedBufferHandling is set to kAbort
/home/pace/dev/arrow/cpp/src/arrow/acero/source_node.cc:155
HandleUnalignedBuffers(&batch, unaligned_buffer_handling)
[ FAILED ] ExecPlanExecution.UnalignedInput (13 ms)
...
ACERO_ALIGNMENT_HANDLING=ignore ./debug/arrow-acero-plan-test
--gtest_filter=ExecPlanExecution.UnalignedInput
...
[ PASSED ] 1 test.
ACERO_ALIGNMENT_HANDLING=warn ./debug/arrow-acero-plan-test
--gtest_filter=ExecPlanExecution.UnalignedInput
...
/home/pace/dev/arrow/cpp/src/arrow/acero/source_node.cc:76: An input buffer
was poorly aligned. This could lead to crashes or poor performance on some
hardware. Please ensure that all Acero sources generate aligned buffers.
...
[ PASSED ] 1 test.
ACERO_ALIGNMENT_HANDLING=reallocate ./debug/arrow-acero-plan-test
--gtest_filter=ExecPlanExecution.UnalignedInput
...
/home/pace/dev/arrow/cpp/src/arrow/acero/plan_test.cc:1725: Failure
Expected equality of these values:
initial_bytes_allocated
Which is: 256
default_memory_pool()->total_bytes_allocated()
Which is: 320
[ FAILED ] ExecPlanExecution.UnalignedInput (15 ms)
...
```
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