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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "search_context.h"
#include "attributevector.h"
#include "attributeiterators.hpp"
#include "ipostinglistsearchcontext.h"
#include <vespa/searchlib/queryeval/emptysearch.h>
using search::queryeval::SearchIterator;
namespace search::attribute {
HitEstimate
SearchContext::calc_hit_estimate() const
{
if (_plsc != nullptr) {
return _plsc->calc_hit_estimate();
}
return HitEstimate::unknown(std::max(uint64_t(_attr.getNumDocs()), _attr.getStatus().getNumValues()));
}
std::unique_ptr<SearchIterator>
SearchContext::createIterator(fef::TermFieldMatchData* matchData, bool strict)
{
if (_plsc != nullptr) {
auto res = _plsc->createPostingIterator(matchData, strict);
if (res) {
return res;
}
}
return createFilterIterator(matchData, strict);
}
std::unique_ptr<SearchIterator>
SearchContext::createFilterIterator(fef::TermFieldMatchData* matchData, bool strict)
{
if (!valid()) {
return std::make_unique<queryeval::EmptySearch>();
}
if (getIsFilter()) {
return (strict ?
std::make_unique<FilterAttributeIteratorStrict<SearchContext>>(*this, matchData) :
std::make_unique<FilterAttributeIteratorT<SearchContext>>(*this, matchData));
}
return (strict ?
std::make_unique<AttributeIteratorStrict<SearchContext>>(*this, matchData) :
std::make_unique<AttributeIteratorT<SearchContext>>(*this, matchData));
}
void
SearchContext::fetchPostings(const queryeval::ExecuteInfo& execInfo, bool strict)
{
if (_plsc != nullptr) {
_plsc->fetchPostings(execInfo, strict);
}
}
const vespalib::string&
SearchContext::attributeName() const
{
return _attr.getName();
}
bool
SearchContext::getIsFilter() const
{
return _attr.getIsFilter();
}
}
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