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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "fieldinfofeature.h"
#include "valuefeature.h"
#include "utils.h"
#include <vespa/searchlib/fef/properties.h>
#include <vespa/searchlib/fef/fieldinfo.h>
#include <vespa/searchlib/fef/fieldtype.h>
#include <vespa/searchlib/fef/featurenamebuilder.h>
#include <vespa/searchlib/fef/handle.h>
#include <vespa/vespalib/util/stash.h>
#include <sstream>
namespace search::features {
IndexFieldInfoExecutor::IndexFieldInfoExecutor(feature_t type, feature_t isFilter,
[[maybe_unused]] uint32_t field, uint32_t fieldHandle)
: fef::FeatureExecutor(),
_type(type),
_isFilter(isFilter),
_fieldHandle(fieldHandle),
_md(nullptr)
{
// empty
}
void
IndexFieldInfoExecutor::execute(uint32_t docId)
{
outputs().set_number(0, _type);
outputs().set_number(1, _isFilter);
outputs().set_number(2, 1.0f); // searched
const fef::TermFieldMatchData *tfmd = _md->resolveTermField(_fieldHandle);
if (tfmd->getDocId() == docId) {
outputs().set_number(3, 1.0f); // hit
} else {
outputs().set_number(3, 0.0f); // no hit
}
fef::FieldPositionsIterator itr = tfmd->getIterator();
outputs().set_number(4, itr.getFieldLength());
if (itr.valid()) {
uint32_t first = itr.getPosition();
uint32_t last = 0;
uint32_t cnt = 0;
for (; itr.valid(); itr.next()) {
last = itr.getPosition();
++cnt;
}
outputs().set_number(5, first);
outputs().set_number(6, last);
outputs().set_number(7, cnt);
} else {
outputs().set_number(5, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // first
outputs().set_number(6, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // last
outputs().set_number(7, 0.0f);
}
}
void
IndexFieldInfoExecutor::handle_bind_match_data(const fef::MatchData &md)
{
_md = &md;
}
//-----------------------------------------------------------------------------
AttrFieldInfoExecutor::AttrFieldInfoExecutor(feature_t type, uint32_t fieldHandle) :
FeatureExecutor(),
_type(type),
_fieldHandle(fieldHandle),
_md(nullptr)
{
// empty
}
void
AttrFieldInfoExecutor::execute(uint32_t docId)
{
outputs().set_number(0, _type);
outputs().set_number(1, 0.0); // not filter
outputs().set_number(2, 1.0f); // searched
const fef::TermFieldMatchData *tfmd = _md->resolveTermField(_fieldHandle);
if (tfmd->getDocId() == docId) {
outputs().set_number(3, 1.0f); // hit
outputs().set_number(4, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // len
outputs().set_number(5, 0.0f); // first
outputs().set_number(6, 0.0f); // last
outputs().set_number(7, 1.0f);
} else {
outputs().set_number(3, 0.0f); // no hit
outputs().set_number(4, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // len
outputs().set_number(5, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // first
outputs().set_number(6, fef::FieldPositionsIterator::UNKNOWN_LENGTH); // last
outputs().set_number(7, 0.0f);
}
}
void
AttrFieldInfoExecutor::handle_bind_match_data(const fef::MatchData &md)
{
_md = &md;
}
//-----------------------------------------------------------------------------
FieldInfoBlueprint::FieldInfoBlueprint() :
fef::Blueprint("fieldInfo"),
_overview(false),
_indexcnt(0.0f),
_attrcnt(0.0f),
_type(0.0f),
_isFilter(0.0f),
_fieldId(fef::IllegalFieldId)
{
// empty
}
void
FieldInfoBlueprint::visitDumpFeatures(const fef::IIndexEnvironment &indexEnv,
fef::IDumpFeatureVisitor &visitor) const
{
if (!indexEnv.getProperties().lookup(getBaseName(), "enable").get("").empty()) {
fef::FeatureNameBuilder fnb;
fnb.baseName(getBaseName());
for (uint32_t i = 0; i < indexEnv.getNumFields(); ++i) {
const fef::FieldInfo *fi = indexEnv.getField(i);
fnb.clearParameters().parameter(fi->name());
fnb.output("type");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("filter");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("search");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("hit");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("len");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("first");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("last");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("cnt");
visitor.visitDumpFeature(fnb.buildName());
}
fnb.clearParameters();
fnb.output("indexCnt");
visitor.visitDumpFeature(fnb.buildName());
fnb.output("attrCnt");
visitor.visitDumpFeature(fnb.buildName());
}
}
bool
FieldInfoBlueprint::setup(const fef::IIndexEnvironment &indexEnv,
const fef::ParameterList ¶ms)
{
if (params.empty()) {
_overview = true;
for (uint32_t i = 0; i < indexEnv.getNumFields(); ++i) {
if (indexEnv.getField(i)->type() == fef::FieldType::INDEX) {
_indexcnt += 1.0;
}
if (indexEnv.getField(i)->type() == fef::FieldType::ATTRIBUTE) {
_attrcnt += 1.0;
}
}
describeOutput("indexCnt", "total number of fields of type index");
describeOutput("attrCnt", "total number of fields of type attribute");
return true;
}
if (params.size() == 1) {
vespalib::string name = params[0].getValue();
const fef::FieldInfo *fi = indexEnv.getFieldByName(name);
if (fi != 0) {
_fieldId = fi->id();
if (fi->type() == fef::FieldType::INDEX) {
_type = 1.0;
} else if (fi->type() == fef::FieldType::ATTRIBUTE) {
_type = 2.0;
}
if (fi->isFilter()) {
_isFilter = 1.0;
} else {
_isFilter = 0.0;
}
}
describeOutput("type", "1.0 for INDEX, 2.0 for ATTRIBUTE, 0.0 for unknown (from index env)");
describeOutput("filter", "1.0 if this is a filter, 0.0 otherwise (from index env)");
describeOutput("search", "1.0 means first term searched this field, 0.0 means it did not");
describeOutput("hit", "1.0 means first term got a hit in this field, 0.0 means it did not");
describeOutput("len", "field length in number of words");
describeOutput("first", "position of the first hit of the first term in this field");
describeOutput("last", "position of the last hit of the first term in this field");
describeOutput("cnt", "number of hits for the first term in this field");
return true;
}
return false;
}
fef::FeatureExecutor &
FieldInfoBlueprint::createExecutor(const fef::IQueryEnvironment &queryEnv, vespalib::Stash &stash) const
{
if (_overview) {
std::vector<feature_t> values;
values.push_back(_indexcnt);
values.push_back(_attrcnt);
return stash.create<ValueExecutor>(values);
}
uint32_t fieldHandle = util::getTermFieldHandle(queryEnv, 0, _fieldId);
if (fieldHandle == fef::IllegalHandle) {
std::vector<feature_t> values;
values.push_back(_type);
values.push_back(_isFilter);
values.push_back(0.0f); // not searched
values.push_back(0.0f); // no hit
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default field length
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default first pos
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default last pos
values.push_back(0.0f); // number of hits
return stash.create<ValueExecutor>(values);
}
if (_type == 1.0) { // index
return stash.create<IndexFieldInfoExecutor>(_type, _isFilter, _fieldId, fieldHandle);
} else if (_type == 2.0) { // attribute
return stash.create<AttrFieldInfoExecutor>(_type, fieldHandle);
}
std::vector<feature_t> values;
values.push_back(_type);
values.push_back(_isFilter);
values.push_back(1.0f); // searched
values.push_back(0.0f); // no hit
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default field length
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default first pos
values.push_back(fef::FieldPositionsIterator::UNKNOWN_LENGTH); // default last pos
values.push_back(0.0f); // number of hits
return stash.create<ValueExecutor>(values);
}
}
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