pitrou commented on code in PR #1291:
URL: https://github.com/apache/parquet-mr/pull/1291#discussion_r1514270438
##########
parquet-hadoop/src/test/java/org/apache/parquet/hadoop/TestInterOpReadByteStreamSplit.java:
##########
@@ -67,7 +72,73 @@ public void testReadFloats() throws IOException {
break;
}
}
- assertTrue(reader.read() == null);
+ assertNull(reader.read());
}
}
+
+ private void compareColumnValues(
+ Path path, int expectRows, String leftCol, String rightCol,
FieldComparator comparator) throws IOException {
+ try (ParquetReader<Group> reader =
+ ParquetReader.builder(new GroupReadSupport(), path).build()) {
+ for (int i = 0; i < expectRows; ++i) {
+ Group group = reader.read();
+ assertNotNull(group);
+ comparator.assertFieldsEqual(group, leftCol, rightCol);
+ }
+ assertNull(reader.read());
+ }
+ }
+
+ @Test
+ public void testReadAllSupportedTypes() throws IOException {
+ Path extendedFile = interop.GetInterOpFile(EXTENDED_FILE, CHANGESET);
+ final int expectRows = 200;
+ compareColumnValues(
+ extendedFile, expectRows, "float_plain", "float_byte_stream_split",
((group, leftCol, rightCol) -> {
+ float leftVal = group.getFloat(leftCol, 0);
+ float rightVal = group.getFloat(rightCol, 0);
+ assertEquals(leftVal, rightVal, 0.0);
+ }));
+ compareColumnValues(
Review Comment:
I guess the question is: is `org.apache.parquet.example.data` supposed to be
a public API?
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