93fe10a268
Now size of HyperLogLog struct is so large that it lead the rowset is too small when ingesting data. In this CL, registers in HyperLogLog are only created when it is needed. When ingesting data, it's normal case that there are only few values in one HyperLogLog.
117 lines
3.2 KiB
C++
117 lines
3.2 KiB
C++
// 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 <iostream>
|
|
#include <string>
|
|
|
|
#include "exprs/aggregate_functions.h"
|
|
#include "exprs/anyval_util.h"
|
|
#include "exprs/hll_function.h"
|
|
#include "testutil/function_utils.h"
|
|
#include "olap/hll.h"
|
|
#include "util/logging.h"
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
namespace doris {
|
|
|
|
StringVal convert_hll_to_string(FunctionContext* ctx, HyperLogLog& hll) {
|
|
std::string buf;
|
|
buf.resize(HLL_COLUMN_DEFAULT_LEN);
|
|
int size = hll.serialize((uint8_t*)buf.c_str());
|
|
buf.resize(size);
|
|
return AnyValUtil::from_string_temp(ctx, buf);
|
|
}
|
|
|
|
class HllFunctionsTest : public testing::Test {
|
|
public:
|
|
HllFunctionsTest() = default;
|
|
|
|
void SetUp() {
|
|
utils = new FunctionUtils();
|
|
ctx = utils->get_fn_ctx();
|
|
}
|
|
void TearDown() {
|
|
delete utils;
|
|
}
|
|
|
|
private:
|
|
FunctionUtils* utils;
|
|
FunctionContext* ctx;
|
|
};
|
|
|
|
TEST_F(HllFunctionsTest, hll_hash) {
|
|
StringVal input = AnyValUtil::from_string_temp(ctx, std::string("1024"));
|
|
StringVal result = HllFunctions::hll_hash(ctx, input);
|
|
|
|
HyperLogLog hll((uint8_t*)result.ptr);
|
|
int64_t cardinality = hll.estimate_cardinality();
|
|
int64_t expected = 1;
|
|
|
|
ASSERT_EQ(expected, cardinality);
|
|
}
|
|
|
|
TEST_F(HllFunctionsTest, hll_hash_null) {
|
|
StringVal input = StringVal::null();
|
|
StringVal result = HllFunctions::hll_hash(ctx, input);
|
|
|
|
HyperLogLog hll((uint8_t*)result.ptr);
|
|
int64_t cardinality = hll.estimate_cardinality();
|
|
int64_t expected = 0;
|
|
|
|
ASSERT_EQ(expected, cardinality);
|
|
}
|
|
|
|
TEST_F(HllFunctionsTest, hll_update) {
|
|
StringVal dst;
|
|
HllFunctions::hll_init(ctx, &dst);
|
|
IntVal src1(1);
|
|
HllFunctions::hll_update(ctx, src1, &dst);
|
|
IntVal src2(1234567);
|
|
HllFunctions::hll_update(ctx, src2, &dst);
|
|
|
|
BigIntVal result = HllFunctions::hll_finalize(ctx, dst);
|
|
BigIntVal expected(2);
|
|
ASSERT_EQ(expected, result);
|
|
}
|
|
|
|
TEST_F(HllFunctionsTest, hll_merge) {
|
|
StringVal dst;
|
|
HllFunctions::hll_init(ctx, &dst);
|
|
|
|
HyperLogLog hll1(1024);
|
|
StringVal src1 = convert_hll_to_string(ctx, hll1);
|
|
HllFunctions::hll_merge(ctx, src1, &dst);
|
|
|
|
HyperLogLog hll2;
|
|
StringVal src2 = convert_hll_to_string(ctx, hll2);
|
|
HllFunctions::hll_merge(ctx, src2, &dst);
|
|
|
|
StringVal serialized = HllFunctions::hll_serialize(ctx, dst);
|
|
HyperLogLog hll((uint8_t*)serialized.ptr);
|
|
|
|
BigIntVal expected(1);
|
|
ASSERT_EQ(expected, hll.estimate_cardinality());
|
|
}
|
|
|
|
}
|
|
|
|
int main(int argc, char** argv) {
|
|
::testing::InitGoogleTest(&argc, argv);
|
|
return RUN_ALL_TESTS();
|
|
}
|