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/**
* Copyright (C) 2020-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/exec/sbe/stages/text_match.h"
#include "mongo/db/exec/sbe/expressions/expression.h"
#include "mongo/db/exec/sbe/values/bson.h"
namespace mongo::sbe {
std::unique_ptr<PlanStage> TextMatchStage::clone() const {
return makeS<TextMatchStage>(_children[0]->clone(),
_ftsMatcher.query(),
_ftsMatcher.spec(),
_inputSlot,
_outputSlot,
_commonStats.nodeId);
}
void TextMatchStage::prepare(CompileCtx& ctx) {
_children[0]->prepare(ctx);
_inValueAccessor = _children[0]->getAccessor(ctx, _inputSlot);
}
value::SlotAccessor* TextMatchStage::getAccessor(CompileCtx& ctx, value::SlotId slot) {
if (slot == _outputSlot) {
return &_outValueAccessor;
}
return _children[0]->getAccessor(ctx, slot);
}
void TextMatchStage::open(bool reOpen) {
auto optTimer(getOptTimer(_opCtx));
_commonStats.opens++;
_children[0]->open(reOpen);
}
PlanState TextMatchStage::getNext() {
auto optTimer(getOptTimer(_opCtx));
auto state = _children[0]->getNext();
if (state == PlanState::ADVANCED) {
auto&& [typeTag, value] = _inValueAccessor->getViewOfValue();
uassert(ErrorCodes::Error(4623400),
"textmatch requires input to be an object",
value::isObject(typeTag));
BSONObj obj;
if (typeTag == value::TypeTags::bsonObject) {
obj = BSONObj{value::bitcastTo<const char*>(value)};
} else {
BSONObjBuilder builder;
bson::convertToBsonObj(builder, value::getObjectView(value));
obj = builder.obj();
}
const auto matchResult = _ftsMatcher.matches(obj);
_outValueAccessor.reset(value::TypeTags::Boolean, value::bitcastFrom<bool>(matchResult));
}
return trackPlanState(state);
}
void TextMatchStage::close() {
auto optTimer(getOptTimer(_opCtx));
_commonStats.closes++;
_children[0]->close();
}
std::vector<DebugPrinter::Block> TextMatchStage::debugPrint() const {
// TODO: Add 'textmatch' to the parser so that the debug output can be parsed back to an
// execution plan.
auto ret = PlanStage::debugPrint();
DebugPrinter::addIdentifier(ret, _inputSlot);
DebugPrinter::addIdentifier(ret, _outputSlot);
DebugPrinter::addNewLine(ret);
DebugPrinter::addBlocks(ret, _children[0]->debugPrint());
return ret;
}
std::unique_ptr<PlanStageStats> TextMatchStage::getStats(bool includeDebugInfo) const {
auto ret = std::make_unique<PlanStageStats>(_commonStats);
if (includeDebugInfo) {
BSONObjBuilder bob;
bob.appendIntOrLL("inputSlot", _inputSlot);
bob.appendIntOrLL("outputSlot", _outputSlot);
ret->debugInfo = bob.obj();
}
ret->children.emplace_back(_children[0]->getStats(includeDebugInfo));
return ret;
}
} // namespace mongo::sbe
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