C++ BatchedCommandResponse::sizeUpsertDetails方法代码示例

    static void incBatchStats( BatchedCommandRequest::BatchType batchType,
                               const BatchedCommandResponse& response,
                               BatchWriteStats* stats ) {

        if ( batchType == BatchedCommandRequest::BatchType_Insert) {
            stats->numInserted += response.getN();
        }
        else if ( batchType == BatchedCommandRequest::BatchType_Update ) {
            int numUpserted = 0;
            if( response.isUpsertDetailsSet() ) {
                numUpserted = response.sizeUpsertDetails();
            }
            stats->numMatched += ( response.getN() - numUpserted );
            long long numModified = response.getNModified();

            if (numModified >= 0)
                stats->numModified += numModified;
            else
                stats->numModified = -1; // sentinel used to indicate we omit the field downstream

            stats->numUpserted += numUpserted;
        }
        else {
            dassert( batchType == BatchedCommandRequest::BatchType_Delete );
            stats->numDeleted += response.getN();
        }
    }

bool batchErrorToLastError(const BatchedCommandRequest& request,
                           const BatchedCommandResponse& response,
                           LastError* error) {
    unique_ptr<WriteErrorDetail> commandError;
    WriteErrorDetail* lastBatchError = NULL;

    if (!response.getOk()) {
        // Command-level error, all writes failed

        commandError.reset(new WriteErrorDetail);
        buildErrorFromResponse(response, commandError.get());
        lastBatchError = commandError.get();
    } else if (response.isErrDetailsSet()) {
        // The last error in the batch is always reported - this matches expected COE
        // semantics for insert batches. For updates and deletes, error is only reported
        // if the error was on the last item.

        const bool lastOpErrored = response.getErrDetails().back()->getIndex() ==
            static_cast<int>(request.sizeWriteOps() - 1);
        if (request.getBatchType() == BatchedCommandRequest::BatchType_Insert || lastOpErrored) {
            lastBatchError = response.getErrDetails().back();
        }
    } else {
        // We don't care about write concern errors, these happen in legacy mode in GLE.
    }

    // Record an error if one exists
    if (lastBatchError) {
        string errMsg = lastBatchError->getErrMessage();
        error->setLastError(lastBatchError->getErrCode(),
                            errMsg.empty() ? "see code for details" : errMsg.c_str());
        return true;
    }

    // Record write stats otherwise
    // NOTE: For multi-write batches, our semantics change a little because we don't have
    // un-aggregated "n" stats.
    if (request.getBatchType() == BatchedCommandRequest::BatchType_Update) {
        BSONObj upsertedId;
        if (response.isUpsertDetailsSet()) {
            // Only report the very last item's upserted id if applicable
            if (response.getUpsertDetails().back()->getIndex() + 1 ==
                static_cast<int>(request.sizeWriteOps())) {
                upsertedId = response.getUpsertDetails().back()->getUpsertedID();
            }
        }

        int numUpserted = 0;
        if (response.isUpsertDetailsSet())
            numUpserted = response.sizeUpsertDetails();

        int numMatched = response.getN() - numUpserted;
        dassert(numMatched >= 0);

        // Wrap upserted id in "upserted" field
        BSONObj leUpsertedId;
        if (!upsertedId.isEmpty())
            leUpsertedId = upsertedId.firstElement().wrap(kUpsertedFieldName);

        error->recordUpdate(numMatched > 0, response.getN(), leUpsertedId);
    } else if (request.getBatchType() == BatchedCommandRequest::BatchType_Delete) {
        error->recordDelete(response.getN());
    }

    return false;
}

    void batchErrorToLastError( const BatchedCommandRequest& request,
                                const BatchedCommandResponse& response,
                                LastError* error ) {

        scoped_ptr<BatchedErrorDetail> topLevelError;
        BatchedErrorDetail* lastBatchError = NULL;

        if ( !response.getOk() ) {

            int code = response.getErrCode();

            // Check for batch error
            // We don't care about write concern errors, these happen in legacy mode in GLE
            if ( code != ErrorCodes::WriteConcernFailed && !response.isErrDetailsSet() ) {
                // Top-level error, all writes failed
                topLevelError.reset( new BatchedErrorDetail );
                buildErrorFromResponse( response, topLevelError.get() );
                lastBatchError = topLevelError.get();
            }
            else if ( response.isErrDetailsSet() ) {
                // The last error in the batch is always reported - this matches expected COE
                // semantics for insert batches and works for single writes
                lastBatchError = response.getErrDetails().back();
            }
        }

        // Record an error if one exists
        if ( lastBatchError ) {
            error->raiseError( lastBatchError->getErrCode(),
                               lastBatchError->getErrMessage().c_str() );
            return;
        }

        // Record write stats otherwise
        // NOTE: For multi-write batches, our semantics change a little because we don't have
        // un-aggregated "n" stats.
        if ( request.getBatchType() == BatchedCommandRequest::BatchType_Update ) {

            BSONObj upsertedId;
            if ( response.isSingleUpsertedSet() ) upsertedId = response.getSingleUpserted();
            else if( response.isUpsertDetailsSet() ) {
                // Only report the very last item's upserted id if applicable
                if ( response.getUpsertDetails().back()->getIndex() + 1
                     == static_cast<int>( request.sizeWriteOps() ) ) {
                    upsertedId = response.getUpsertDetails().back()->getUpsertedID();
                }
            }

            int numUpserted = 0;
            if ( response.isSingleUpsertedSet() )
                ++numUpserted;
            else if ( response.isUpsertDetailsSet() )
                numUpserted += response.sizeUpsertDetails();

            int numUpdated = response.getN() - numUpserted;
            dassert( numUpdated >= 0 );
            error->recordUpdate( numUpdated > 0, response.getN(), upsertedId );
        }
        else if ( request.getBatchType() == BatchedCommandRequest::BatchType_Delete ) {
            error->recordDelete( response.getN() );
        }
    }