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milvus/internal/core/unittest/test_sealed.cpp
Cai Yudong f4ebd3a9ce
Upgrade to knowhere v1.1.0 (#16186) 
Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
2022-03-25 13:49:25 +08:00

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// Copyright (C) 2019-2020 Zilliz. All rights reserved.
//
// Licensed 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 <gtest/gtest.h>
#include "knowhere/index/vector_index/IndexIVF.h"
#include "knowhere/index/vector_index/VecIndex.h"
#include "knowhere/index/vector_index/adapter/VectorAdapter.h"
#include "segcore/SegmentSealedImpl.h"
#include "test_utils/DataGen.h"
using namespace milvus;
using namespace milvus::query;
using namespace milvus::segcore;
const int64_t ROW_COUNT = 100 * 1000;
TEST(Sealed, without_predicate) {
using namespace milvus::query;
using namespace milvus::segcore;
auto schema = std::make_shared<Schema>();
auto dim = 16;
auto topK = 5;
auto metric_type = MetricType::METRIC_L2;
auto fake_id = schema->AddDebugField("fakevec", DataType::VECTOR_FLOAT, dim, metric_type);
schema->AddDebugField("age", DataType::FLOAT);
std::string dsl = R"({
"bool": {
"must": [
{
"vector": {
"fakevec": {
"metric_type": "L2",
"params": {
"nprobe": 10
},
"query": "$0",
"topk": 5,
"round_decimal": 3
}
}
}
]
}
})";
auto N = ROW_COUNT;
auto dataset = DataGen(schema, N);
auto vec_col = dataset.get_col<float>(0);
for (int64_t i = 0; i < 1000 * dim; ++i) {
vec_col.push_back(0);
}
auto query_ptr = vec_col.data() + 4200 * dim;
auto segment = CreateGrowingSegment(schema);
segment->PreInsert(N);
segment->Insert(0, N, dataset.row_ids_.data(), dataset.timestamps_.data(), dataset.raw_);
auto plan = CreatePlan(*schema, dsl);
auto num_queries = 5;
auto ph_group_raw = CreatePlaceholderGroupFromBlob(num_queries, 16, query_ptr);
auto ph_group = ParsePlaceholderGroup(plan.get(), ph_group_raw.SerializeAsString());
Timestamp time = 1000000;
std::vector<const PlaceholderGroup*> ph_group_arr = {ph_group.get()};
auto sr = segment->Search(plan.get(), *ph_group, time);
auto pre_result = SearchResultToJson(*sr);
auto indexing = std::make_shared<knowhere::IVF>();
auto conf = knowhere::Config{{knowhere::meta::DIM, dim},
{knowhere::meta::TOPK, topK},
{knowhere::IndexParams::nlist, 100},
{knowhere::IndexParams::nprobe, 10},
{knowhere::Metric::TYPE, knowhere::Metric::L2},
{knowhere::meta::DEVICEID, 0}};
auto database = knowhere::GenDataset(N, dim, vec_col.data() + 1000 * dim);
indexing->Train(database, conf);
indexing->AddWithoutIds(database, conf);
EXPECT_EQ(indexing->Count(), N);
EXPECT_EQ(indexing->Dim(), dim);
auto query_dataset = knowhere::GenDataset(num_queries, dim, query_ptr);
auto result = indexing->Query(query_dataset, conf, nullptr);
auto ids = result->Get<int64_t*>(knowhere::meta::IDS); // for comparison
auto dis = result->Get<float*>(knowhere::meta::DISTANCE); // for comparison
std::vector<int64_t> vec_ids(ids, ids + topK * num_queries);
std::vector<float> vec_dis(dis, dis + topK * num_queries);
sr->ids_ = vec_ids;
sr->distances_ = vec_dis;
auto ref_result = SearchResultToJson(*sr);
LoadIndexInfo load_info;
load_info.field_id = fake_id.get();
load_info.index = indexing;
load_info.index_params["metric_type"] = "L2";
auto sealed_segment = SealedCreator(schema, dataset, load_info);
sr = sealed_segment->Search(plan.get(), *ph_group, time);
auto post_result = SearchResultToJson(*sr);
std::cout << "ref_result" << std::endl;
std::cout << ref_result.dump(1) << std::endl;
std::cout << "post_result" << std::endl;
std::cout << post_result.dump(1);
// ASSERT_EQ(ref_result.dump(1), post_result.dump(1));
}
TEST(Sealed, with_predicate) {
using namespace milvus::query;
using namespace milvus::segcore;
auto schema = std::make_shared<Schema>();
auto dim = 16;
auto topK = 5;
auto metric_type = MetricType::METRIC_L2;
auto fake_id = schema->AddDebugField("fakevec", DataType::VECTOR_FLOAT, dim, metric_type);
schema->AddDebugField("counter", DataType::INT64);
std::string dsl = R"({
"bool": {
"must": [
{
"range": {
"counter": {
"GE": 42000,
"LT": 42005
}
}
},
{
"vector": {
"fakevec": {
"metric_type": "L2",
"params": {
"nprobe": 10
},
"query": "$0",
"topk": 5,
"round_decimal": 6
}
}
}
]
}
})";
auto N = ROW_COUNT;
auto dataset = DataGen(schema, N);
auto vec_col = dataset.get_col<float>(0);
auto query_ptr = vec_col.data() + 42000 * dim;
auto segment = CreateGrowingSegment(schema);
segment->PreInsert(N);
segment->Insert(0, N, dataset.row_ids_.data(), dataset.timestamps_.data(), dataset.raw_);
auto plan = CreatePlan(*schema, dsl);
auto num_queries = 5;
auto ph_group_raw = CreatePlaceholderGroupFromBlob(num_queries, 16, query_ptr);
auto ph_group = ParsePlaceholderGroup(plan.get(), ph_group_raw.SerializeAsString());
Timestamp time = 10000000;
std::vector<const PlaceholderGroup*> ph_group_arr = {ph_group.get()};
auto sr = segment->Search(plan.get(), *ph_group, time);
auto indexing = std::make_shared<knowhere::IVF>();
auto conf = knowhere::Config{{knowhere::meta::DIM, dim},
{knowhere::meta::TOPK, topK},
{knowhere::IndexParams::nlist, 100},
{knowhere::IndexParams::nprobe, 10},
{knowhere::Metric::TYPE, knowhere::Metric::L2},
{knowhere::meta::DEVICEID, 0}};
auto database = knowhere::GenDataset(N, dim, vec_col.data());
indexing->Train(database, conf);
indexing->AddWithoutIds(database, conf);
EXPECT_EQ(indexing->Count(), N);
EXPECT_EQ(indexing->Dim(), dim);
auto query_dataset = knowhere::GenDataset(num_queries, dim, query_ptr);
auto result = indexing->Query(query_dataset, conf, nullptr);
LoadIndexInfo load_info;
load_info.field_id = fake_id.get();
load_info.index = indexing;
load_info.index_params["metric_type"] = "L2";
auto sealed_segment = SealedCreator(schema, dataset, load_info);
sr = sealed_segment->Search(plan.get(), *ph_group, time);
for (int i = 0; i < num_queries; ++i) {
auto offset = i * topK;
ASSERT_EQ(sr->ids_[offset], 42000 + i);
ASSERT_EQ(sr->distances_[offset], 0.0);
}
}
TEST(Sealed, LoadFieldData) {
auto dim = 16;
auto topK = 5;
auto N = ROW_COUNT;
auto metric_type = MetricType::METRIC_L2;
auto schema = std::make_shared<Schema>();
auto fakevec_id = schema->AddDebugField("fakevec", DataType::VECTOR_FLOAT, dim, metric_type);
auto counter_id = schema->AddDebugField("counter", DataType::INT64);
auto double_id = schema->AddDebugField("double", DataType::DOUBLE);
auto nothing_id = schema->AddDebugField("nothing", DataType::INT32);
auto dataset = DataGen(schema, N);
auto fakevec = dataset.get_col<float>(0);
auto indexing = GenIndexing(N, dim, fakevec.data());
auto segment = CreateSealedSegment(schema);
std::string dsl = R"({
"bool": {
"must": [
{
"range": {
"double": {
"GE": -1,
"LT": 1
}
}
},
{
"vector": {
"fakevec": {
"metric_type": "L2",
"params": {
"nprobe": 10
},
"query": "$0",
"topk": 5,
"round_decimal": 3
}
}
}
]
}
})";
Timestamp time = 1000000;
auto plan = CreatePlan(*schema, dsl);
auto num_queries = 5;
auto ph_group_raw = CreatePlaceholderGroup(num_queries, 16, 1024);
auto ph_group = ParsePlaceholderGroup(plan.get(), ph_group_raw.SerializeAsString());
ASSERT_ANY_THROW(segment->Search(plan.get(), *ph_group, time));
SealedLoader(dataset, *segment);
segment->DropFieldData(nothing_id);
segment->Search(plan.get(), *ph_group, time);
segment->DropFieldData(fakevec_id);
ASSERT_ANY_THROW(segment->Search(plan.get(), *ph_group, time));
LoadIndexInfo vec_info;
vec_info.field_id = fakevec_id.get();
vec_info.index = indexing;
vec_info.index_params["metric_type"] = knowhere::Metric::L2;
segment->LoadIndex(vec_info);
ASSERT_EQ(segment->num_chunk(), 1);
auto chunk_span1 = segment->chunk_data<int64_t>(FieldOffset(1), 0);
auto chunk_span2 = segment->chunk_data<double>(FieldOffset(2), 0);
auto ref1 = dataset.get_col<int64_t>(1);
auto ref2 = dataset.get_col<double>(2);
for (int i = 0; i < N; ++i) {
ASSERT_EQ(chunk_span1[i], ref1[i]);
ASSERT_EQ(chunk_span2[i], ref2[i]);
}
auto sr = segment->Search(plan.get(), *ph_group, time);
auto json = SearchResultToJson(*sr);
std::cout << json.dump(1);
segment->DropIndex(fakevec_id);
ASSERT_ANY_THROW(segment->Search(plan.get(), *ph_group, time));
segment->LoadIndex(vec_info);
auto sr2 = segment->Search(plan.get(), *ph_group, time);
auto json2 = SearchResultToJson(*sr);
ASSERT_EQ(json.dump(-2), json2.dump(-2));
segment->DropFieldData(double_id);
ASSERT_ANY_THROW(segment->Search(plan.get(), *ph_group, time));
auto std_json = Json::parse(R"(
[
[
["982->0.000000", "25315->4.742000", "57893->4.758000", "48201->6.075000", "53853->6.223000"],
["41772->10.111000", "74859->11.790000", "79777->11.842000", "3785->11.983000", "35888->12.193000"],
["59251->2.543000", "65551->4.454000", "72204->5.332000", "96905->5.479000", "87833->5.765000"],
["59219->5.458000", "21995->6.078000", "97922->6.764000", "25710->7.158000", "14048->7.294000"],
["66353->5.696000", "30664->5.881000", "41087->5.917000", "10393->6.633000", "90215->7.202000"]
]
])");
ASSERT_EQ(std_json.dump(-2), json.dump(-2));
}
TEST(Sealed, Delete) {
auto dim = 16;
auto topK = 5;
auto N = 10;
auto metric_type = MetricType::METRIC_L2;
auto schema = std::make_shared<Schema>();
auto fakevec_id = schema->AddDebugField("fakevec", DataType::VECTOR_FLOAT, dim, metric_type);
auto counter_id = schema->AddDebugField("counter", DataType::INT64);
auto double_id = schema->AddDebugField("double", DataType::DOUBLE);
auto nothing_id = schema->AddDebugField("nothing", DataType::INT32);
auto dataset = DataGen(schema, N);
auto fakevec = dataset.get_col<float>(0);
auto segment = CreateSealedSegment(schema);
std::string dsl = R"({
"bool": {
"must": [
{
"range": {
"double": {
"GE": -1,
"LT": 1
}
}
},
{
"vector": {
"fakevec": {
"metric_type": "L2",
"params": {
"nprobe": 10
},
"query": "$0",
"topk": 5,
"round_decimal": 3
}
}
}
]
}
})";
Timestamp time = 1000000;
auto plan = CreatePlan(*schema, dsl);
auto num_queries = 5;
auto ph_group_raw = CreatePlaceholderGroup(num_queries, 16, 1024);
auto ph_group = ParsePlaceholderGroup(plan.get(), ph_group_raw.SerializeAsString());
ASSERT_ANY_THROW(segment->Search(plan.get(), *ph_group, time));
SealedLoader(dataset, *segment);
int64_t row_count = 5;
std::vector<idx_t> pks{1, 2, 3, 4, 5};
std::vector<Timestamp> timestamps{10, 10, 10, 10, 10};
LoadDeletedRecordInfo info = {timestamps.data(), pks.data(), row_count};
segment->LoadDeletedRecord(info);
std::vector<uint8_t> tmp_block{0, 0};
auto view = BitsetView(tmp_block.data(), 10);
auto bitset = segment->get_filtered_bitmap(view, 10, 11);
ASSERT_EQ(bitset.size(), N);
int64_t new_count = 3;
std::vector<idx_t> new_pks{6, 7, 8};
std::vector<idx_t> new_timestamps{10, 10, 10};
auto reserved_offset = segment->PreDelete(new_count);
ASSERT_EQ(reserved_offset, row_count);
segment->Delete(reserved_offset, new_count, reinterpret_cast<const int64_t*>(new_pks.data()),
reinterpret_cast<const Timestamp*>(new_timestamps.data()));
}
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