tachyonwill commented on a change in pull request #11281:
URL: https://github.com/apache/arrow/pull/11281#discussion_r721740579
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File path: cpp/src/parquet/arrow/arrow_reader_writer_test.cc
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@@ -4191,5 +4226,107 @@ TEST(TestArrowReadDeltaEncoding, DeltaBinaryPacked) {
}
#endif
+struct StatisticsTestParam {
+ std::shared_ptr<::arrow::Table> table;
+ int expected_null_count;
+ // This is the non-null count and not the num_values in the page headers.
+ int expected_value_count;
+ std::string expected_min;
+ std::string expected_max;
+};
+
+class ParameterizedStatisticsTest : public
::testing::TestWithParam<StatisticsTestParam> {
+};
+
+std::string GetManyEmptyLists() {
+ std::string many_empty_lists = "[";
+ for (int i = 0; i < 2000; ++i) {
+ many_empty_lists += "[],";
+ }
+ many_empty_lists += "[1,2,3,4,5,6,7,8,null]]";
+ return many_empty_lists;
+}
+
+TEST_P(ParameterizedStatisticsTest, NoNullCountWrittenForRepeatedFields) {
+ std::shared_ptr<::arrow::ResizableBuffer> serialized_data = AllocateBuffer();
Review comment:
done.
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