pitrou commented on code in PR #35958:
URL: https://github.com/apache/arrow/pull/35958#discussion_r1229734947
##########
cpp/src/parquet/arrow/arrow_reader_writer_test.cc:
##########
@@ -5350,6 +5350,70 @@ TEST_F(ParquetPageIndexRoundTripTest, SimpleRoundTrip) {
/*null_counts=*/{1}}));
}
+TEST_F(ParquetPageIndexRoundTripTest, SimpleRoundTripWithStatsDisabled) {
+ auto writer_properties = WriterProperties::Builder()
+ .enable_write_page_index()
+ ->disable_statistics()
+ ->build();
+ auto schema = ::arrow::schema({::arrow::field("c0", ::arrow::int64()),
+ ::arrow::field("c1", ::arrow::utf8()),
+ ::arrow::field("c2",
::arrow::list(::arrow::int64()))});
+ WriteFile(writer_properties, ::arrow::TableFromJSON(schema, {R"([
+ [1, "a", [1] ],
+ [2, "b", [1, 2] ],
+ [3, "c", [null] ],
+ [null, "d", [] ],
+ [5, null, [3, 3, 3]],
+ [6, "f", null ]
+ ])"}));
+
+ ReadPageIndexes(/*expect_num_row_groups=*/1, /*expect_num_pages=*/1);
+ for (auto& column_index : column_indexes_) {
+ // Means page is empty.
Review Comment:
Which page is empty? I don't understand this comment.
##########
cpp/src/parquet/arrow/arrow_reader_writer_test.cc:
##########
@@ -5350,6 +5350,70 @@ TEST_F(ParquetPageIndexRoundTripTest, SimpleRoundTrip) {
/*null_counts=*/{1}}));
}
+TEST_F(ParquetPageIndexRoundTripTest, SimpleRoundTripWithStatsDisabled) {
+ auto writer_properties = WriterProperties::Builder()
+ .enable_write_page_index()
+ ->disable_statistics()
+ ->build();
+ auto schema = ::arrow::schema({::arrow::field("c0", ::arrow::int64()),
+ ::arrow::field("c1", ::arrow::utf8()),
+ ::arrow::field("c2",
::arrow::list(::arrow::int64()))});
+ WriteFile(writer_properties, ::arrow::TableFromJSON(schema, {R"([
+ [1, "a", [1] ],
+ [2, "b", [1, 2] ],
+ [3, "c", [null] ],
+ [null, "d", [] ],
+ [5, null, [3, 3, 3]],
+ [6, "f", null ]
+ ])"}));
+
+ ReadPageIndexes(/*expect_num_row_groups=*/1, /*expect_num_pages=*/1);
+ for (auto& column_index : column_indexes_) {
+ // Means page is empty.
Review Comment:
Why not test against `ColumnIndexObject{}` instead?
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