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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#include "contrib/libs/apache/arrow_next/cpp/src/parquet/xxhasher.h"
#include "contrib/libs/xxhash/xxhash.h"
namespace parquet20 {
namespace {
template <typename T>
uint64_t XxHashHelper(T value, uint32_t seed) {
return XXH64(reinterpret_cast<const void*>(&value), sizeof(T), seed);
}
template <typename T>
void XxHashesHelper(const T* values, uint32_t seed, int num_values, uint64_t* results) {
for (int i = 0; i < num_values; ++i) {
results[i] = XxHashHelper(values[i], seed);
}
}
} // namespace
uint64_t XxHasher::Hash(int32_t value) const {
return XxHashHelper(value, kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(int64_t value) const {
return XxHashHelper(value, kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(float value) const {
return XxHashHelper(value, kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(double value) const {
return XxHashHelper(value, kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(const FLBA* value, uint32_t len) const {
return XXH64(reinterpret_cast<const void*>(value->ptr), len, kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(const Int96* value) const {
return XXH64(reinterpret_cast<const void*>(value->value), sizeof(value->value),
kParquetBloomXxHashSeed);
}
uint64_t XxHasher::Hash(const ByteArray* value) const {
return XXH64(reinterpret_cast<const void*>(value->ptr), value->len,
kParquetBloomXxHashSeed);
}
void XxHasher::Hashes(const int32_t* values, int num_values, uint64_t* hashes) const {
XxHashesHelper(values, kParquetBloomXxHashSeed, num_values, hashes);
}
void XxHasher::Hashes(const int64_t* values, int num_values, uint64_t* hashes) const {
XxHashesHelper(values, kParquetBloomXxHashSeed, num_values, hashes);
}
void XxHasher::Hashes(const float* values, int num_values, uint64_t* hashes) const {
XxHashesHelper(values, kParquetBloomXxHashSeed, num_values, hashes);
}
void XxHasher::Hashes(const double* values, int num_values, uint64_t* hashes) const {
XxHashesHelper(values, kParquetBloomXxHashSeed, num_values, hashes);
}
void XxHasher::Hashes(const Int96* values, int num_values, uint64_t* hashes) const {
for (int i = 0; i < num_values; ++i) {
hashes[i] = XXH64(reinterpret_cast<const void*>(values[i].value),
sizeof(values[i].value), kParquetBloomXxHashSeed);
}
}
void XxHasher::Hashes(const ByteArray* values, int num_values, uint64_t* hashes) const {
for (int i = 0; i < num_values; ++i) {
hashes[i] = XXH64(reinterpret_cast<const void*>(values[i].ptr), values[i].len,
kParquetBloomXxHashSeed);
}
}
void XxHasher::Hashes(const FLBA* values, uint32_t type_len, int num_values,
uint64_t* hashes) const {
for (int i = 0; i < num_values; ++i) {
hashes[i] = XXH64(reinterpret_cast<const void*>(values[i].ptr), type_len,
kParquetBloomXxHashSeed);
}
}
} // namespace parquet20
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