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version.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/zh-CN/docs/data_node/extract_node/pulsar">latest version</a></b> (<!-- -->1.11.0<!-- -->).</div></div><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="页面路径"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="主页面" class="breadcrumbs__link" href="/zh-CN/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">数据节点</span><meta itemprop="position" content="1"></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Extract Nodes</span><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Pulsar</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">版本：Next</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Pulsar</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="概述">概述<a href="#概述" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p><a href="https://pulsar.apache.org/" target="_blank" rel="noopener noreferrer">Apache Pulsar</a>是一个分布式、开源的 pub-sub 消息传递和流平台，用于实时工作负载，每天管理数千亿个事件。</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="版本">版本<a href="#版本" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><table><thead><tr><th>抽取节点</th><th>版本</th></tr></thead><tbody><tr><td><a href="/zh-CN/docs/next/data_node/extract_node/pulsar">Pulsar</a></td><td><a href="https://pulsar.apache.org/docs/next/" target="_blank" rel="noopener noreferrer">Pulsar</a>：&gt; = 2.8.x</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="依赖项">依赖项<a href="#依赖项" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">&lt;dependency&gt;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    &lt;groupId&gt;org.apache.inlong&lt;/groupId&gt;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    &lt;artifactId&gt;sort-connector-pulsar&lt;/artifactId&gt;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    &lt;version&gt;1.12.0-SNAPSHOT&lt;/version&gt;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">&lt;/dependency&gt;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="用法">用法<a href="#用法" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="sql-api-用法">SQL API 用法<a href="#sql-api-用法" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>Step.1 准备好 sql 客户端</p><p><a href="https://ci.apache.org/projects/flink/flink-docs-release-1.12/dev/table/sqlClient.html" target="_blank" rel="noopener noreferrer">SQL Client</a>用于编写用于在 Pulsar 中操作数据的 SQL 查询，您可以使用添加<code>-addclasspath</code>包的选项<code>sort-connector-pulsar-{{INLONG_VERSION}}.jar</code>。</p><p><strong>例子</strong></p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">./bin/sql-client.sh embedded --jar sort-connector-pulsar_{{INLONG_VERSION}}.jar</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><blockquote><p>注意如果你把我们连接器的JAR包放在下面<code>$FLINK_HOME/lib</code>，不用<code>--jar</code>再用指定连接器的包了。</p></blockquote><p>Step.2 从Pulsar读取数据</p><div class="language-sql codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-sql codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">CREATE</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TABLE</span><span class="token plain"> pulsar </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_1</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> STRING</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_2</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INT</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">eventTime</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TIMESTAMP</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token number">3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> METADATA</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">properties</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> MAP</span><span class="token operator">&lt;</span><span class="token plain">STRING</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> STRING</span><span class="token operator">&gt;</span><span class="token plain"> METADATA </span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">topic</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> STRING METADATA VIRTUAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">sequenceId</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BIGINT</span><span class="token plain"> METADATA VIRTUAL</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">key</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> STRING </span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_3</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">BOOLEAN</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">WITH</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;connector&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;pulsar-inlong&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;topic&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;persistent://public/default/topic82547611&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;key.format&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;raw&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;key.fields&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;key&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;value.format&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;avro&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;service-url&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;pulsar://localhost:6650&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;admin-url&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;http://localhost:8080&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;scan.startup.mode&#x27;</span><span class="token plain"> </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;earliest&#x27;</span><span class="token plain"> </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INSERT</span><span class="token plain"> </span><span class="token keyword" 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249);font-style:italic">AS</span><span class="token plain"> </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_1</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_2</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">AS</span><span class="token plain"> </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">physical_2</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> </span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token identifier">pulsar</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INSERT</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">INTO</span><span class="token plain"> pulsar </span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">VALUES</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;data 1&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">TIMESTAMP</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;2020-03-08 13:12:11.123&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> MAP</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;k11&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;v11&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;k12&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;v12&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;key1&#x27;</span><span class="token punctuation" 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style="color:rgb(255, 121, 198)">&#x27;v32&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;key3&#x27;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token boolean">TRUE</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><h3 class="anchor anchorWithStickyNavbar_LWe7" id="inlong-dashboard-用法">Inlong Dashboard 用法<a href="#inlong-dashboard-用法" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>TODO</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="inlong-manager-client-方式">InLong Manager Client 方式<a href="#inlong-manager-client-方式" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h3><p>TODO</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="pulsar-extract-节点参数">Pulsar Extract 节点参数<a href="#pulsar-extract-节点参数" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><table><thead><tr><th>Parameter</th><th>Required</th><th>Default value</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>connector</td><td>必需</td><td>(none)</td><td>String</td><td>设置连接器类型。可用的选项是<code>pulsar-inlong</code>。</td></tr><tr><td>topic</td><td>可选</td><td>(none)</td><td>String</td><td>设置输入或输出主题，多个和连接主题使用半逗号。选择一个主题模式。Set the input or output topic, use half comma for multiple and concatenate topics. Choose one with the topic-pattern.</td></tr><tr><td>topic-pattern</td><td>可选</td><td>(none)</td><td>String</td><td>使用正则获取匹配的主题。</td></tr><tr><td>service-url</td><td>必需</td><td>(none)</td><td>String</td><td>设置 Pulsar 代理服务地址。</td></tr><tr><td>admin-url</td><td>可选</td><td>(none)</td><td>String</td><td>设置 Pulsar 管理服务地址。<strong>不传入该参数时，启动模式只支持<code>earliest</code>和<code>latest</code>，并且无法更新 Pulsar Topic 的 offset。</strong></td></tr><tr><td>scan.startup.mode</td><td>可选</td><td>latest</td><td>String</td><td>配置 Source 的启动模式。可用选项为<code>earliest</code>、<code>latest</code>、<code>external-subscription</code>和<code>specific-offsets</code>。</td></tr><tr><td>scan.startup.specific-offsets</td><td>可选</td><td>(none)</td><td>String</td><td>指定参数时需要该<code>specific-offsets</code>参数。</td></tr><tr><td>scan.startup.sub-name</td><td>可选</td><td>(none)</td><td>String</td><td>指定参数时需要该<code>external-subscription</code>参数。</td></tr><tr><td>discovery topic interval</td><td>可选</td><td>(none)</td><td>Long</td><td>设置分区发现的时间间隔，单位为毫秒。</td></tr><tr><td>sink.message-router</td><td>可选</td><td>key-hash</td><td>String</td><td>设置将消息写入 Pulsar 分区的路由方式。可用选项为<code>key-hash</code>、<code>round-robin</code>和<code>custom MessageRouter</code>。</td></tr><tr><td>sink.semantic</td><td>可选</td><td>at-least-once</td><td>String</td><td>Sink 写入消息的保证级别。可用选项为<code>at-least-once</code>、<code>exactly-once</code>和<code>none</code>。</td></tr><tr><td>properties</td><td>可选</td><td>empty</td><td>Map</td><td>设置 Pulsar 的可选配置，格式为<code>properties.key=&#x27;value&#x27;</code>. 有关详细信息，请参阅<a href="https://github.com/streamnative/pulsar-flink#configuration-parameters" target="_blank" rel="noopener noreferrer">配置参数</a>。</td></tr><tr><td>key.format</td><td>可选</td><td>(none)</td><td>String</td><td>为 Pulsar 消息设置基于键的序列化格式。可用选项有<code>No format</code>、<code>optional raw</code>、<code>Avro</code>、<code>JSON</code>等。</td></tr><tr><td>key.fields</td><td>可选</td><td>(none)</td><td>String</td><td>序列化Key时要使用的SQL定义字段，多个半逗号<code>,</code>连接。</td></tr><tr><td>key.fields-prefix</td><td>可选</td><td>(none)</td><td>String</td><td>为 key 格式的所有字段定义自定义前缀，以避免与 value 格式的字段名称冲突。默认情况下，前缀为空。如果定义了自定义前缀，<code>key.fields</code>则使用表架构和。</td></tr><tr><td>format or value.format</td><td>必需</td><td>(none)</td><td>String</td><td>使用前缀设置名称。当以键格式构造数据类型时，前缀被移除，并且在键格式中使用非前缀名称。Pulsar 消息值序列化格式，支持 JSON、Avro 等。更多信息请参见 Flink 格式。</td></tr><tr><td>value.fields-include</td><td>可选</td><td>ALL</td><td>Enum</td><td>Pulsar 消息值包含字段策略、可选的 ALL 和 EXCEPT_KEY。</td></tr><tr><td>inlong.metric.labels</td><td>可选</td><td>(none)</td><td>String</td><td>inlong metric 的标签值，该值的构成为groupId=<code>{groupId}</code>&amp;streamId=<code>{streamId}</code>&amp;nodeId=<code>{nodeId}</code>。</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="可用元数据">可用元数据<a href="#可用元数据" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>METADATA 标志用于读取和写入 Pulsar 消息中的元数据。支持列表如下。</p><blockquote><p>注意 R/W 列定义元数据字段是否可读 (R) 和/或可写 (W)。只读列必须声明为 VIRTUAL 以在 INSERT INTO 操作期间排除它们。</p></blockquote><table><thead><tr><th>关键字</th><th>数据类型</th><th>描述</th><th>读/写</th></tr></thead><tbody><tr><td>topic</td><td>STRING NOT NULL</td><td>Pulsar 消息的主题名称</td><td>R</td></tr><tr><td>messageId</td><td>BYTES NOT NULL</td><td>Pulsar 消息的消息 ID</td><td>R</td></tr><tr><td>sequenceId</td><td>BIGINT NOT NULL</td><td>Pulsar 消息的序列 ID</td><td>R</td></tr><tr><td>publishTime</td><td>TIMESTAMP(3) WITH LOCAL TIME ZONE NOT NULL</td><td>Pulsar 消息的发布时间</td><td>R</td></tr><tr><td>eventTime</td><td>TIMESTAMP(3) WITH LOCAL TIME ZONE NOT NULL</td><td>Pulsar 消息的生成时间</td><td>R/W</td></tr><tr><td>properties</td><td>MAP&lt;STRING, STRING&gt; NOT NULL</td><td>Pulsar 消息的扩展信息</td><td>R/W</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="数据类型映射">数据类型映射<a href="#数据类型映射" class="hash-link" aria-label="Direct link to heading" title="Direct link to heading"></a></h2><p>Pulsar 将消息键和值存储为字节，因此 Pulsar 没有 schema 或数据类型。Pulsar 消息按格式进行反序列化和序列化，例如 csv、json、avro。因此，数据类型映射由特定格式确定。有关格式详细信息，请参阅<a href="https://nightlies.apache.org/flink/flink-docs-release-1.13/docs/connectors/table/formats/overview/" target="_blank" rel="noopener noreferrer">格式页面。</a></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/inlong-website/edit/master/docs/data_node/extract_node/pulsar.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col 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