dongjoon-hyun commented on a change in pull request #934:
URL: https://github.com/apache/orc/pull/934#discussion_r727806530
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File path: c++/test/TestReader.cc
##########
@@ -101,4 +101,41 @@ namespace orc {
900, rowsInCurrentStripe, rowIndexStride, includedRowGroups));
}
+ void CheckFileWithSargs(const char* fileName, const char* softwareVersion) {
+ std::stringstream ss;
+ if(const char* example_dir = std::getenv("ORC_EXAMPLE_DIR")) {
+ ss << example_dir;
+ } else {
+ ss << "../../../examples";
+ }
+ // Read a file with bloom filters written by CPP writer in version 1.6.11.
+ ss << "/" << fileName;
+ ReaderOptions readerOpts;
+ std::unique_ptr<Reader> reader =
+ createReader(readLocalFile(ss.str().c_str()), readerOpts);
+ EXPECT_EQ(WriterId::ORC_CPP_WRITER, reader->getWriterId());
+ EXPECT_EQ(softwareVersion, reader->getSoftwareVersion());
+
+ // Create SearchArgument with a EQUALS predicate which can leverage the
bloom filters.
+ RowReaderOptions rowReaderOpts;
+ std::unique_ptr<SearchArgumentBuilder> sarg =
SearchArgumentFactory::newBuilder();
+ // Integer value 18000000000 has an inconsistent hash before the fix of
ORC-1024.
+ sarg->equals(1,
PredicateDataType::LONG,Literal(static_cast<int64_t>(18000000000L)));
+ std::unique_ptr<SearchArgument> final_sarg = sarg->build();
+ rowReaderOpts.searchArgument(std::move(final_sarg));
+ std::unique_ptr<RowReader> rowReader =
reader->createRowReader(rowReaderOpts);
+
+ // Make sure bad bloom filters won't affect the results.
+ std::unique_ptr<ColumnVectorBatch> batch =
+ rowReader->createRowBatch(1024);
+ EXPECT_TRUE(rowReader->next(*batch));
+ EXPECT_EQ(5, batch->numElements);
+ EXPECT_FALSE(rowReader->next(*batch));
+ }
+
+ TEST(TestRowReader, testSkipBadBloomFilters) {
+ CheckFileWithSargs("bad_bloom_filter_1.6.11.orc", "ORC C++ 1.6.11");
+ CheckFileWithSargs("bad_bloom_filter_1.6.0.orc", "ORC C++");
+ CheckFileWithSargs("bad_bloom_filter_1.6.11-SNAPSHOT.orc", "ORC C++
1.6.11-SNAPSHOT");
Review comment:
If this is for the `SNAPSHOT` postfix version check test coverage,
`1.6.12-SNAPSHOT` is better.
However, I'd like to recommend to write and read in a test instead of having
`-SNAPSHOT` static files.
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