Fix the static stdc++ reference. (#75)

* Fix the static stdc++ reference.

* Install libstdc++-static in centos.

* Tune timeout.

* Tune timeout.

* Fix path.

Author: Shylock-Hg

.github/workflows/pull_request.yml

@@ -148,7 +148,7 @@ jobs:
           case ${{ matrix.os }} in
           centos7)
             # install GCC4.8 by yum to build example
-            yum -y update && yum -y install gcc gcc-c++
+            yum -y update && yum -y install gcc gcc-c++ libstdc++-static
             pushd examples
             mkdir build
             cmake \
@@ -167,7 +167,7 @@ jobs:
             cmake --build build/ -j $(nproc)
             # if the example use the g++ under /opt/vesoft/toolset, need to replace the low version libstdc++.so
             rm /usr/lib/x86_64-linux-gnu/libstdc++.so.6
-            ln -s /opt/vesoft/toolset/clang/9.0.0/lib64/libstdc++.so /usr/lib/x86_64-linux-gnu/libstdc++.so.6
+            ln -s /opt/vesoft/toolset/clang/10.0.0/lib64/libstdc++.so /usr/lib/x86_64-linux-gnu/libstdc++.so.6
             LD_LIBRARY_PATH=/usr/local/nebula/lib64:/usr/local/nebula/lib:$LD_LIBRARY_PATH ./build/session_example graphd:9669
             popd
             ;;

examples/CMakeLists.txt

@@ -24,6 +24,7 @@ else()
     add_compile_options(-D_GLIBCXX_USE_CXX11_ABI=1)
 endif()
 
+set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -static-libstdc++")
 
 # This project only depends on the nebula-client headers/library
 include_directories(${NEBULA_HOME}/include)

src/client/tests/SessionTest.cpp

@@ -143,7 +143,7 @@ TEST_F(SessionTest, InvalidAddress) {
 
 TEST_F(SessionTest, Data) {
   nebula::ConnectionPool pool;
-  nebula::Config c{10, 0, 100, 0, "", false};
+  nebula::Config c{10, 0, 300, 0, "", false};
   pool.init({kServerHost ":9669"}, c);
   auto session = pool.getSession("root", "nebula");
   ASSERT_TRUE(session.valid());
@@ -160,7 +160,7 @@ TEST_F(SessionTest, Data) {
   resp = session.execute(
       "INSERT VERTEX geo VALUES 'v101':(ST_Point(3, 8), ST_Point(4, 6), "
       "ST_GeogFromText('LINESTRING(0 1, 2 3)'), ST_GeogFromText('POLYGON((0 1, 1 2, 2 3, 0 1))'))");
-  ASSERT_EQ(resp.errorCode, nebula::ErrorCode::SUCCEEDED);
+  ASSERT_EQ(resp.errorCode, nebula::ErrorCode::SUCCEEDED) << *resp.errorMsg;
 
   // execute
   resp = session.execute(