Github user zuyu commented on a diff in the pull request:
https://github.com/apache/incubator-quickstep/pull/232#discussion_r112411604
--- Diff: cli/NetworkCliClientMain.cpp ---
@@ -0,0 +1,62 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ **/
+
+#include <grpc++/grpc++.h>
+
+#include <iostream>
+#include <istream>
+#include <memory>
+#include <string>
+
+#include "cli/Flags.hpp"
+#include "cli/LineReaderBuffered.hpp"
+#include "cli/NetworkCliClient.hpp"
+
+#include "gflags/gflags.h"
+
+DECLARE_int32(port);
+
+using quickstep::LineReaderBuffered;
+using quickstep::NetworkCliClient;
+
+int main(int argc, char **argv) {
+ google::InitGoogleLogging(argv[0]);
+ gflags::ParseCommandLineFlags(&argc, &argv, true);
+
+ // Attempts to send a single query retrieved from stdin to the Quickstep
Server.
+ NetworkCliClient qs_client(
+ grpc::CreateChannel("localhost:" +
std::to_string(quickstep::FLAGS_port),
+ grpc::InsecureChannelCredentials()));
+
+ // Read stdin until EOF, then we use a Line reader to divide query into
parts.
+ std::cin >> std::noskipws;
+ std::istream_iterator<char> it(std::cin), end;
+ std::string user_queries(it, end);
+
+ LineReaderBuffered linereader;
+ linereader.setBuffer(user_queries);
+ while (!linereader.bufferEmpty()) {
+ std::string query = linereader.getNextCommand();
+ if (query.size() > 1) {
--- End diff --
Change to `!query.empty()`?
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