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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "attribute_ctx_builder.h"
#include <vespa/searchlib/attribute/attribute_blueprint_factory.h>
#include <vespa/searchlib/attribute/attributefactory.h>
#include <vespa/searchlib/attribute/attributevector.h>
#include <vespa/searchlib/attribute/integerbase.h>
#include <vespa/searchlib/attribute/stringbase.h>
#include <vespa/searchlib/queryeval/blueprint.h>
#include <vespa/searchlib/queryeval/fake_requestcontext.h>
using namespace search::attribute;
using namespace search::attribute::test;
namespace search::queryeval::test {
namespace {
template <typename AttributeType, bool is_string, bool is_multivalue>
void
update_attribute(AttributeType& attr, uint32_t docid, uint32_t value)
{
if constexpr (is_string) {
if constexpr (is_multivalue) {
attr.append(docid, std::to_string(value), random_int(1, 100));
} else {
attr.update(docid, std::to_string(value));
}
} else {
if constexpr (is_multivalue) {
attr.append(docid, value, random_int(1, 100));
} else {
attr.update(docid, value);
}
}
}
template <typename AttributeType, bool is_string, bool is_multivalue>
void
populate_attribute(AttributeType& attr, uint32_t docid_limit, const HitSpecs& hit_specs)
{
for (auto spec : hit_specs) {
auto docids = random_docids(docid_limit, spec.num_hits);
docids->foreach_truebit([&](uint32_t docid) {
update_attribute<AttributeType, is_string, is_multivalue>(attr, docid, spec.term_value);
});
}
}
template <typename AttributeType, bool is_string, bool is_multivalue>
void
populate_attribute(AttributeType& attr, const std::vector<uint32_t>& values)
{
for (uint32_t docid = 1; docid < values.size(); ++docid) {
uint32_t value = values[docid];
if (value == 0) {
continue;
}
update_attribute<AttributeType, is_string, is_multivalue>(attr, docid, value);
}
}
template <typename AttributeType, bool is_string, bool is_multivalue>
void
populate_attribute(AttributeType& attr, uint32_t docid_limit, const HitSpecs& hit_specs, bool disjunct_terms)
{
if (disjunct_terms) {
// Ensure that each term in HitSpecs is matched by a disjunct (random) subset of docids.
std::vector<uint32_t> values(docid_limit, 0);
uint32_t docid = 1;
for (auto spec : hit_specs) {
assert((docid + spec.num_hits) <= docid_limit);
std::fill_n(values.begin() + docid, spec.num_hits, spec.term_value);
docid += spec.num_hits;
}
std::shuffle(values.begin() + 1, values.end(), get_gen());
populate_attribute<AttributeType, is_string, is_multivalue>(attr, values);
} else {
// For each term in HitSpecs we draw a new random set of docids that will match this term value.
populate_attribute<AttributeType, is_string, is_multivalue>(attr, docid_limit, hit_specs);
}
}
AttributeVector::SP
make_attribute(const Config& cfg, vespalib::stringref field_name, uint32_t num_docs, const HitSpecs& hit_specs, bool disjunct_terms)
{
auto attr = AttributeFactory::createAttribute(field_name, cfg);
attr->addReservedDoc();
attr->addDocs(num_docs);
uint32_t docid_limit = attr->getNumDocs();
assert(docid_limit == (num_docs + 1));
bool is_multivalue = cfg.collectionType() != CollectionType::SINGLE;
if (attr->isStringType()) {
auto& real = dynamic_cast<StringAttribute&>(*attr);
if (is_multivalue) {
populate_attribute<StringAttribute, true, true>(real, docid_limit, hit_specs, disjunct_terms);
} else {
populate_attribute<StringAttribute, true, false>(real, docid_limit, hit_specs, disjunct_terms);
}
} else {
auto& real = dynamic_cast<IntegerAttribute&>(*attr);
if (is_multivalue) {
populate_attribute<IntegerAttribute, false, true>(real, docid_limit, hit_specs, disjunct_terms);
} else {
populate_attribute<IntegerAttribute, false, false>(real, docid_limit, hit_specs, disjunct_terms);
}
}
attr->commit(true);
return attr;
}
class AttributeSearchable : public BenchmarkSearchable {
private:
std::unique_ptr<MockAttributeContext> _attr_ctx;
public:
AttributeSearchable(std::unique_ptr<MockAttributeContext> attr_ctx) : _attr_ctx(std::move(attr_ctx)) {}
std::unique_ptr<Blueprint> create_blueprint(const FieldSpec& field_spec,
const search::query::Node& term) override {
AttributeBlueprintFactory factory;
FakeRequestContext req_ctx(_attr_ctx.get());
return factory.createBlueprint(req_ctx, field_spec, term);
}
};
}
AttributeContextBuilder::AttributeContextBuilder()
: _ctx(std::make_unique<MockAttributeContext>())
{
}
void
AttributeContextBuilder::add(const search::attribute::Config& cfg, vespalib::stringref field_name, uint32_t num_docs, const HitSpecs& hit_specs, bool disjunct_terms)
{
auto attr = make_attribute(cfg, field_name, num_docs, hit_specs, disjunct_terms);
_ctx->add(std::move(attr));
}
std::unique_ptr<BenchmarkSearchable>
AttributeContextBuilder::build()
{
return std::make_unique<AttributeSearchable>(std::move(_ctx));
}
}
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