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The following commit(s) were added to refs/heads/master by this push:
new 03e3605 [Bug] Fix bug that the min/max function has an error in
handling string null values. (#5189)
03e3605 is described below
commit 03e36056eba1cbcccc87b28e28b91792dae5a417
Author: Mingyu Chen <morningman....@gmail.com>
AuthorDate: Tue Jan 5 09:48:38 2021 +0800
[Bug] Fix bug that the min/max function has an error in handling string
null values. (#5189)
null should be ignored in min/max function.
And if there is no data, null should be return.
Co-authored-by: morningman <chenmin...@baidu.com>
---
be/src/olap/aggregate_func.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/be/src/olap/aggregate_func.h b/be/src/olap/aggregate_func.h
index 1c902af..c3ddf3a 100644
--- a/be/src/olap/aggregate_func.h
+++ b/be/src/olap/aggregate_func.h
@@ -300,6 +300,7 @@ struct AggregateFuncTraits<OLAP_FIELD_AGGREGATION_MAX,
OLAP_FIELD_TYPE_VARCHAR>
memory_copy(dst_slice->data, src_slice->data, src_slice->size);
dst_slice->size = src_slice->size;
}
+ dst->set_is_null(false);
}
}
};
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