mapleFU commented on code in PR #39570:
URL: https://github.com/apache/arrow/pull/39570#discussion_r1449226491
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cpp/src/parquet/reader_test.cc:
##########
@@ -1474,6 +1489,38 @@ TEST(TestFileReader, TestOverflowInt16PageOrdinal) {
}
}
+#ifdef ARROW_WITH_ZSTD
+TEST(TestByteStreamSplit, FloatIntegrationFile) {
+ auto file_path = byte_stream_split();
+ auto file = ParquetFileReader::OpenFile(file_path);
+
+ const int64_t kNumRows = 300;
+
+ ASSERT_EQ(kNumRows, file->metadata()->num_rows());
+ ASSERT_EQ(2, file->metadata()->num_columns());
+ ASSERT_EQ(1, file->metadata()->num_row_groups());
+
+ // column 0 ("f32")
+ {
+ auto values =
+ ReadColumnValues<FloatType>(file.get(), /*row_group=*/0, /*column=*/0,
kNumRows);
+ ASSERT_EQ(values[0], 1.7640524f);
+ ASSERT_EQ(values[1], 0.4001572f);
+ ASSERT_EQ(values[kNumRows - 2], -0.39944902f);
Review Comment:
I think it's ok, maybe one thing is it's generated by pyarrow, which uses
our C++ encoder...
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