Merge branch 'mysql-0.3.0' into 'branch-0.3.0'

MS-105 - Add MySQL

See merge request megasearch/vecwise_engine!141

Former-commit-id: cb83d329e08f38d1d53b123a4d38242a412366df

cpp/coverage.sh

 #!/bin/bash
 
+export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/milvus/lib
+
 LCOV_CMD="lcov"
 LCOV_GEN_CMD="genhtml"
 

cpp/src/CMakeLists.txt

@@ -187,6 +187,6 @@ install(FILES
         ${CMAKE_BINARY_DIR}/mysqlpp_ep-prefix/src/mysqlpp_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}mysqlpp${CMAKE_SHARED_LIBRARY_SUFFIX}
         ${CMAKE_BINARY_DIR}/mysqlpp_ep-prefix/src/mysqlpp_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}mysqlpp${CMAKE_SHARED_LIBRARY_SUFFIX}.3
         ${CMAKE_BINARY_DIR}/mysqlpp_ep-prefix/src/mysqlpp_ep/lib/${CMAKE_SHARED_LIBRARY_PREFIX}mysqlpp${CMAKE_SHARED_LIBRARY_SUFFIX}.3.2.4
-        DESTINATION bin/lib) #need to copy libmysqlpp.so
+        DESTINATION lib) #need to copy libmysqlpp.so
 
 add_subdirectory(sdk)