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Diffstat (limited to 'src/arrow/cpp/src/parquet/README')
| -rw-r--r-- | src/arrow/cpp/src/parquet/README | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/arrow/cpp/src/parquet/README b/src/arrow/cpp/src/parquet/README new file mode 100644 index 000000000..fc16a46ca --- /dev/null +++ b/src/arrow/cpp/src/parquet/README @@ -0,0 +1,10 @@ +The CompatibilityTest of bloom_filter-test.cc is used to test cross compatibility of +Bloom filters between parquet-mr and parquet-cpp. It reads the Bloom filter binary +generated by the Bloom filter class in the parquet-mr project and tests whether the +values inserted before could be filtered or not. + +The Bloom filter binary is generated by three steps from Parquet-mr: +Step 1: Construct a Bloom filter with 1024 bytes of bitset. +Step 2: Insert hashes of "hello", "parquet", "bloom", "filter" strings to Bloom filter +by calling hash and insert APIs. +Step 3: Call writeTo API to write to File. |