add go client for v2.0.0-beta (#41)

* add go client for v2.0.0-beta

* refactor string()

* fix comments

.github/workflows/test.yaml

@@ -1,37 +1,29 @@
 name: test
 on:
-  schedule:
-    - cron: '0 23 * * *'
-  pull_request:
-    paths-ignore:
-      - '.gitignore'
-      - 'README.md'
   push:
-    paths-ignore:
-      - '.gitignore'
-      - 'README.md'
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 jobs:
-  build:
-    runs-on: ubuntu-18.04
+  go-client:
+    runs-on: ubuntu-latest
     steps:
-    - name: Set up Go
-      uses: actions/setup-go@v1
-      with:
-        go-version: 1.13
-      id: go
-    - name: checkout nebula-go
-      uses: actions/checkout@v2
-    - name: Get dependencies
-      run: |
-        go get -v -t -d ./...
-    - name: Setup nebula
-      run: |
-        git clone https://github.com/vesoft-inc/nebula-docker-compose.git
-        cd nebula-docker-compose/
-        docker-compose pull
-        docker-compose up -d
-        sleep 5
-    - name: test nebual-go 
-      run: |
-        go test -v
+      - uses: actions/checkout@v2
+      - name: Setup go
+        uses: actions/setup-go@v1
+        with:
+          go-version: '1.13'
+      - name: Test with GO test
+        run: |
+          mkdir tmp
+          pushd tmp
+          git clone -b v2-preview https://github.com/vesoft-inc/nebula-docker-compose.git
+          pushd nebula-docker-compose/
+          sed -i '0,/\- 3699/s/\- 3699/\- "3710:3699"/' docker-compose.yaml
+          sed -i '0,/\- 3699/s/\- 3699/\- "3701:3699"/' docker-compose.yaml
+          docker-compose up -d
+          sleep 10
+          popd
+          popd
+          go test -v -race
         

README.md

@@ -1,12 +1,12 @@
 # nebula-go
-
-![build status](https://github.com/vesoft-inc/nebula-go/workflows/build/badge.svg)
-![test status](https://github.com/vesoft-inc/nebula-go/workflows/test/badge.svg)
-
+**IMPORTANT: Code of Nebula go client has been transfred from [nebula-clients](https://github.com/vesoft-inc/nebula-clients) to this reposotory(nebula-go), and new realeases in the future will be published in this reposotory. 
+Please update your go.mod and imports corresspondingly.**
+
 Official Nebula Go client which communicates with the server using [fbthrift](https://github.com/facebook/fbthrift/).
-
-Please be careful do not to modify the files in the graph directory, these codes were all generated by fbthrift.
-
+Currently the **Master branch** code is compatiple with Nebula v2.0.0 beta.
+If you are using a older version, please check **branch v1.0.0**.
+
+Please be careful do not to modify the files in the nebula directory, these codes were all generated by fbthrift.
 ## Install
 
 ```shell
@@ -17,37 +17,7 @@ If you get a message like `cannot use path@version syntax in GOPATH mode`, see t
 
 ## Usage example
 
-```go
-package main
-
-import (
-  "log"
-
-  nebula "github.com/vesoft-inc/nebula-go"
-  graph "github.com/vesoft-inc/nebula-go/nebula/graph"
-)
-
-func main() {
-  client, err := nebula.NewClient("127.0.0.1:3699")
-  if err != nil {
-    log.Fatal(err)
-  }
-
-  if err = client.Connect("username", "password"); err != nil {
-    log.Fatal(err)
-  }
-  defer client.Disconnect()
-
-  resp, err := client.Execute("SHOW HOSTS;")
-  if err != nil {
-    log.Fatal(err)
-  }
-
-  if nebula.IsError(resp) {
-    log.Printf("ErrorCode: %v, ErrorMsg: %s", resp.GetErrorCode(), resp.GetErrorMsg())
-  }
-}
-```
+[Code Example](https://github.com/vesoft-inc/nebula-clients/tree/master/go/example/graph_client_example.go)
 
 ## Enabling go modules