specify mysql setting in coverage.sh

Former-commit-id: 41a8eff3a502a5df519801983e65a457cf818e12

core/README.md

@@ -76,13 +76,13 @@ $ sudo ln -s /path/to/libmysqlclient.so /path/to/libmysqlclient_r.so
 ###### Step 2 Build
 
 ```shell
-$ cd [Milvus sourcecode path]/cpp
+$ cd [Milvus sourcecode path]/core
 $ ./build.sh -t Debug
 or 
 $ ./build.sh -t Release
 ```
 
-When the build is completed, all the stuff that you need in order to run Milvus will be installed under `[Milvus root path]/cpp/milvus`.
+When the build is completed, all the stuff that you need in order to run Milvus will be installed under `[Milvus root path]/core/milvus`.
 
 If you encounter the following error message,
 `protocol https not supported or disabled in libcurl`
@@ -148,11 +148,20 @@ $ sudo apt-get install lcov
 ```shell  
 $ ./build.sh -u -c
 ```
+Run mysql docker
+```shell 
+docker pull mysql:latest
+docker run -p 3306:3306 -e MYSQL_ROOT_PASSWORD=123456 -d mysql:latest
+```
+Run code coverage
+```shell  
+$ ./coverage.sh -u root -p 123456 -t 127.0.0.1
+```
 
 ##### Launch Milvus server
 
 ```shell
-$ cd [Milvus root path]/cpp/milvus
+$ cd [Milvus root path]/core/milvus
 ```
 
 Add `lib/` directory to `LD_LIBRARY_PATH`
@@ -202,7 +211,7 @@ $ python3 example.py
 
 ```shell
  # Run Milvus C++ example
- $ cd [Milvus root path]/cpp/milvus/bin
+ $ cd [Milvus root path]/core/milvus/bin
  $ ./sdk_simple
 ```
 

core/build.sh

@@ -136,11 +136,4 @@ else
     fi
 
     make install || exit 1
-
-    # evaluate code coverage
-    if [[ ${BUILD_COVERAGE} == "ON" ]]; then
-        cd -
-        bash `pwd`/coverage.sh
-        cd -
-    fi
 fi
\ No newline at end of file

core/coverage.sh

@@ -3,8 +3,8 @@
 export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/milvus/lib
 
 MYSQL_USER_NAME=root
-MYSQL_PASSWORD=Fantast1c
-MYSQL_HOST='192.168.1.194'
+MYSQL_PASSWORD=123456
+MYSQL_HOST='127.0.0.1'
 MYSQL_PORT='3306'
 
 while getopts "u:p:t:h" arg