wgtmac commented on code in PR #34720:
URL: https://github.com/apache/arrow/pull/34720#discussion_r1148553416
##########
cpp/src/parquet/stream_reader_test.cc:
##########
@@ -912,5 +913,39 @@ TEST_F(TestReadingDataFiles, Int64Decimal) {
EXPECT_EQ(i, 25);
}
+TEST_F(TestReadingDataFiles, FLBADecimal) {
+ PARQUET_ASSIGN_OR_THROW(auto infile, ::arrow::io::ReadableFile::Open(
+
GetDataFile("fixed_length_decimal.parquet")));
+
+ auto file_reader = ParquetFileReader::Open(infile);
+ auto reader = StreamReader{std::move(file_reader)};
+
+ ::arrow::Decimal128 x;
+ int i = 0;
+
+ for (i = 1; !reader.eof(); ++i) {
+ reader >> x >> EndRow;
+ EXPECT_EQ(x.ToString(2), ::arrow::Decimal128(i * 100).ToString(2));
Review Comment:
Double checked that decimal128 does not have scale. Changed it into
comparing decimals directly.
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