示例#1
0
文件: text.cpp 项目: AlanLiu-AI/mongo
    PlanStage::StageState TextStage::work(WorkingSetID* out) {
        ++_commonStats.works;

        if (isEOF()) { return PlanStage::IS_EOF; }

        switch (_internalState) {
        case INIT_SCANS:
            return initScans(out);
        case READING_TERMS:
            return readFromSubScanners(out);
        case RETURNING_RESULTS:
            return returnResults(out);
        case DONE:
            return PlanStage::IS_EOF;
        }

        // Not reached.
        return PlanStage::IS_EOF;
    }
示例#2
0
    PlanStage::StageState TextStage::work(WorkingSetID* out) {
        ++_commonStats.works;

        // Adds the amount of time taken by work() to executionTimeMillis.
        ScopedTimer timer(&_commonStats.executionTimeMillis);

        if (isEOF()) { return PlanStage::IS_EOF; }
        invariant(_internalState != DONE);

        PlanStage::StageState stageState = PlanStage::IS_EOF;

        switch (_internalState) {
        case INIT_SCANS:
            stageState = initScans(out);
            break;
        case READING_TERMS:
            stageState = readFromSubScanners(out);
            break;
        case FILTER_NEGATIVES:
            stageState = filterNegatives(out);
            break;
        case RETURNING_RESULTS:
            stageState = returnResults(out);
            break;
        case DONE:
            // Handled above.
            break;
        }

        // Increment common stats counters that are specific to the return value of work().
        switch (stageState) {
        case PlanStage::ADVANCED:
            ++_commonStats.advanced;
            break;
        case PlanStage::NEED_TIME:
            ++_commonStats.needTime;
            break;
        default:
            break;
        }

        return stageState;
    }