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--><h1 id="代码提交指南" tabindex="-1"><a class="header-anchor" href="#代码提交指南" aria-hidden="true">#</a> 代码提交指南</h1><h2 id="贡献途径" tabindex="-1"><a class="header-anchor" href="#贡献途径" aria-hidden="true">#</a> 贡献途径</h2><p>IoTDB 诚邀广大开发者参与开源项目构建</p><p>您可以查看 <a href="https://issues.apache.org/jira/projects/IOTDB/issues" target="_blank" rel="noopener noreferrer">issues<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a> 并参与解决，或者做其他改善。</p><p>提交 pr，通过 Travis-CI 测试和 Sonar 代码质量检测后，至少有一位以上 Committer 同意且代码无冲突，就可以合并了</p><h2 id="pr-指南" tabindex="-1"><a class="header-anchor" href="#pr-指南" aria-hidden="true">#</a> PR 指南</h2><p>在 Github 上面可以很方便地提交 <a href="https://help.github.com/articles/about-pull-requests/" target="_blank" rel="noopener noreferrer">Pull Request (PR)<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a>，下面将以本网站项目 <a href="https://github.com/apache/iotdb" target="_blank" rel="noopener noreferrer">apache/iotdb<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a> 为例（如果是其他项目，请替换项目名 iotdb）</p><h3 id="fork-仓库" tabindex="-1"><a class="header-anchor" href="#fork-仓库" aria-hidden="true">#</a> Fork 仓库</h3><p>进入 apache/iotdb 的 <a href="https://github.com/apache/iotdb" target="_blank" rel="noopener noreferrer">github 页面<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a> ，点击右上角按钮 <code>Fork</code> 进行 Fork</p><figure><img src="https://user-images.githubusercontent.com/37333508/79351839-bd288900-7f6b-11ea-8d12-feb18c35adad.png" alt="" tabindex="0" loading="lazy"><figcaption></figcaption></figure><h3 id="配置-git-和提交修改" tabindex="-1"><a class="header-anchor" href="#配置-git-和提交修改" aria-hidden="true">#</a> 配置 git 和提交修改</h3><ul><li>将代码克隆到本地：</li></ul><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git clone https://github.com/&lt;your_github_name&gt;/iotdb.git
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p><strong>请将 &lt;your_github_name&gt; 替换为您的 github 名字</strong></p><p>clone 完成后，origin 会默认指向 github 上的远程 fork 地址。</p><ul><li>将 apache/iotdb 添加为本地仓库的远程分支 upstream：</li></ul><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>cd  iotdb
git remote add upstream https://github.com/apache/iotdb.git
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><ul><li>检查远程仓库设置：</li></ul><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git remote -v
origin https://github.com/&lt;your_github_name&gt;/iotdb.git (fetch)
origin    https://github.com/&lt;your_github_name&gt;/iotdb.git(push)
upstream  https://github.com/apache/iotdb.git (fetch)
upstream  https://github.com/apache/iotdb.git (push)
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><ul><li>新建分支以便在分支上做修改：（假设新建的分支名为 fix）</li></ul><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git checkout -b fix
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>创建完成后可进行代码更改。</p><ul><li>提交代码到远程分支：（此处以 fix 分支为例）</li></ul><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git commit -a -m &quot;&lt;you_commit_message&gt;&quot;
git push origin fix
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>更多 git 使用方法请访问：<a href="https://www.atlassian.com/git/tutorials/setting-up-a-repository" target="_blank" rel="noopener noreferrer">git 使用<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a>，这里不赘述。</p><h3 id="git提交注意事项" tabindex="-1"><a class="header-anchor" href="#git提交注意事项" aria-hidden="true">#</a> Git提交注意事项</h3><p>在Git上提交代码时需要注意：</p><ul><li><p>保持仓库的整洁：</p><ul><li><p>不要上传二进制文件，保证仓库的大小只因为代码字符串的改动而增大。</p></li><li><p>不要上传生成的代码。</p></li></ul></li><li><p>日志要有含义：</p><ul><li><p>题目用jira编号：[IOTDB-jira号]</p></li><li><p>题目用github的ISSUE编号：[ISSUE-issue号]</p><ul><li>内容里要写#XXXX用于关联</li></ul></li></ul></li></ul><h3 id="创建-pr" tabindex="-1"><a class="header-anchor" href="#创建-pr" aria-hidden="true">#</a> 创建 PR</h3><p>在浏览器切换到自己的 github 仓库页面，切换分支到提交的分支 &lt;your_branch_name&gt; ，依次点击 <code>New pull request</code> 和 <code>Create pull request</code> 按钮进行创建，如果您解决的是 <a href="https://issues.apache.org/jira/projects/IOTDB/issues" target="_blank" rel="noopener noreferrer">issues<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a>，需要在开头加上 [IOTDB-xxx]，如下图所示：</p><figure><img src="https://user-images.githubusercontent.com/37333508/79414865-5f815480-7fde-11ea-800c-47c7dbad7648.png" alt="" tabindex="0" loading="lazy"><figcaption></figcaption></figure><p>至此，您的 PR 创建完成，更多关于 PR 请阅读 <a href="https://help.github.com/categories/collaborating-with-issues-and-pull-requests/" target="_blank" rel="noopener noreferrer">collaborating-with-issues-and-pull-requests<span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">open in new window</span></span></a></p><h3 id="冲突解决" tabindex="-1"><a class="header-anchor" href="#冲突解决" aria-hidden="true">#</a> 冲突解决</h3><p>提交 PR 时的代码冲突一般是由于多人编辑同一个文件引起的，解决冲突主要通过以下步骤即可：</p><p>1：切换至主分支</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git checkout master
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>2：同步远端主分支至本地</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git pull upstream master
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>3：切换回刚才的分支（假设分支名为 fix）</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git checkout fix
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>4：进行 rebase</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git rebase -i master
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div></div></div><p>此时会弹出修改记录的文件，一般直接保存即可。然后会提示哪些文件出现了冲突，此时可打开冲突文件对冲突部分进行修改，将提示的所有冲突文件的冲突都解决后，执行</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git add .
git rebase --continue
</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div></div></div><p>依此往复，直至屏幕出现类似 <em>rebase successful</em> 字样即可，此时您可以进行往提交 PR 的分支进行更新：</p><div class="language-text line-numbers-mode" data-ext="text"><pre class="language-text"><code>git push -f origin fix
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