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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">Data Nodes</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">Doris</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: 1.11.0</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>Doris</h1></header><h2 class="anchor anchorWithStickyNavbar_LWe7" id="overview">Overview<a href="#overview" class="hash-link" aria-label="Direct link to Overview" title="Direct link to Overview"></a></h2><p><code>Doris Extract</code> node supports reading data from Doris. This chapter describes how to set up a Doris Extract |
| node to run SQL queries against the Doris database.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="supported-version">Supported Version<a href="#supported-version" class="hash-link" aria-label="Direct link to Supported Version" title="Direct link to Supported Version"></a></h2><table><thead><tr><th>Extract Node</th><th>Doris version</th></tr></thead><tbody><tr><td><a href="/docs/data_node/extract_node/doris">Doris</a></td><td>0.13+</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="dependencies">Dependencies<a href="#dependencies" class="hash-link" aria-label="Direct link to Dependencies" title="Direct link to Dependencies"></a></h2><p>In order to set up the Doris Extract node, the dependency information needed to use build automation tools |
| such as Maven or SBT is provided below.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="maven-dependency">Maven dependency<a href="#maven-dependency" class="hash-link" aria-label="Direct link to Maven dependency" title="Direct link to Maven dependency"></a></h3><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"><dependency></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <groupId>org.apache.inlong</groupId></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <artifactId>sort-connector-doris</artifactId></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> <version>1.11.0-SNAPSHOT</version></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></dependency></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="prepare">Prepare<a href="#prepare" class="hash-link" aria-label="Direct link to Prepare" title="Direct link to Prepare"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="create-a-doris-extract-table">Create a Doris Extract table<a href="#create-a-doris-extract-table" class="hash-link" aria-label="Direct link to Create a Doris Extract table" title="Direct link to Create a Doris Extract table"></a></h3><p>First create a table <code>doris_extract_node</code> in the Doris database, the command is as follows:</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">[root@fe001 ~]# mysql -u root -h localhost -P 9030 -p000000</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">mysql> use test;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Reading table information for completion of table and column names</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">You can turn off this feature to get a quicker startup with -A</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">Database changed</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">mysql> CREATE TABLE `doris_extract_node` (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> `id` int(11) NOT NULL COMMENT "user id",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> `name` varchar(50) NOT NULL COMMENT "user name",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> `dr` tinyint(4) NULL COMMENT "delete tag"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> ) ENGINE=OLAP</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> UNIQUE KEY(`id`)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> COMMENT "OLAP"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> DISTRIBUTED BY HASH(`id`) BUCKETS 1</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> PROPERTIES (</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> "replication_allocation" = "tag.location.default: 1",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> "in_memory" = "false",</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> "storage_format" = "V2"</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"> );</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Query OK, 0 rows affected (0.03 sec)</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">mysql> insert into doris_extract_node values(1, 'zhangsan', 0),(2, 'lisi', 0),(3, 'wangwu', 0);</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Query OK, 3 rows affected (0.07 sec)</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">{'label':'insert_29d973e9509a48d4-a20e9f0e2d510605', 'status':'VISIBLE', 'txnId':'1032'}</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">mysql> select * from doris_extract_node;</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+------+---------+------+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| id | name | dr |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+------+---------+------+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| 1 | zhansan | 0 |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| 2 | lisi | 0 |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">| 3 | wangwu | 0 |</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">+------+---------+------+</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">3 rows in set (0.02 sec) </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="how-to-create-a-doris-extract-node">How to create a Doris Extract Node<a href="#how-to-create-a-doris-extract-node" class="hash-link" aria-label="Direct link to How to create a Doris Extract Node" title="Direct link to How to create a Doris Extract Node"></a></h2><h3 class="anchor anchorWithStickyNavbar_LWe7" id="usage-for-sql-api">Usage for SQL API<a href="#usage-for-sql-api" class="hash-link" aria-label="Direct link to Usage for SQL API" title="Direct link to Usage for SQL API"></a></h3><p>The following example shows how to create a Doris Extract node with <code>Flink SQL</code>:</p><ul><li>connector is <code>doris</code></li></ul><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 comment" style="color:rgb(98, 114, 164)"># Start flink sql-client, load the doris connector jar package</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">root</span><span class="token variable" style="color:rgb(189, 147, 249);font-style:italic">@tasknode001</span><span class="token plain"> flink</span><span class="token operator">-</span><span class="token number">1.13</span><span class="token number">.5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token comment" style="color:rgb(98, 114, 164)"># ./bin/sql-client.sh -l ./opt/connectors/doris/</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 comment" style="color:rgb(98, 114, 164)">-- Create Doris table 'doris_extract_node' using Flink SQL</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Flink </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SQL</span><span class="token operator">></span><span class="token plain"> </span><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"> doris_extract_node </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">id</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">name</span><span class="token identifier punctuation" style="color:rgb(248, 248, 242)">`</span><span class="token plain"> STRINTG</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">dr</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">TINYINT</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)">'connector'</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)">'doris'</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)">'fenodes'</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)">'localhost:8030'</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)">'table.identifier'</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)">'test.doris_extract_node'</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)">'username'</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)">'root'</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)">'password'</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)">'000000'</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 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><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token comment" style="color:rgb(98, 114, 164)">-- query data</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">Flink </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SQL</span><span class="token operator">></span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">SELECT</span><span class="token plain"> </span><span class="token operator">*</span><span class="token plain"> </span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">FROM</span><span class="token plain"> doris_extract_node</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="usage-for-inlong-dashboard">Usage for InLong Dashboard<a href="#usage-for-inlong-dashboard" class="hash-link" aria-label="Direct link to Usage for InLong Dashboard" title="Direct link to Usage for InLong Dashboard"></a></h3><p>TODO: It will be supported in the future.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="usage-for-inlong-manager-client">Usage for InLong Manager Client<a href="#usage-for-inlong-manager-client" class="hash-link" aria-label="Direct link to Usage for InLong Manager Client" title="Direct link to Usage for InLong Manager Client"></a></h3><p>TODO: It will be supported in the future.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="doris-extract-node-options">Doris Extract Node Options<a href="#doris-extract-node-options" class="hash-link" aria-label="Direct link to Doris Extract Node Options" title="Direct link to Doris Extract Node Options"></a></h2><table><thead><tr><th>Option</th><th>Required</th><th>Default</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>connector</td><td>required</td><td>(none)</td><td>string</td><td>Specify which connector to use, valid values are: <code>doris</code></td></tr><tr><td>fenodes</td><td>required</td><td>(none)</td><td>string</td><td>Doris FE http address, support multiple addresses, separated by commas</td></tr><tr><td>table.identifier</td><td>required</td><td>(none)</td><td>string</td><td>Doris table identifier, eg, db1.tbl1</td></tr><tr><td>username</td><td>required</td><td>(none)</td><td>string</td><td>Doris username</td></tr><tr><td>password</td><td>required</td><td>(none)</td><td>string</td><td>Doris password</td></tr><tr><td>doris.request.retries</td><td>optional</td><td>3</td><td>int</td><td>Number of retries to send requests to Doris</td></tr><tr><td>doris.request.connect.timeout.ms</td><td>optional</td><td>30000</td><td>int</td><td>Connection timeout for sending requests to Doris</td></tr><tr><td>doris.request.read.timeout.ms</td><td>optional</td><td>30000</td><td>int</td><td>Read timeout for sending request to Doris</td></tr><tr><td>doris.request.query.timeout.s</td><td>optional</td><td>3600</td><td>int</td><td>Query the timeout time of doris, the default is 1 hour, -1 means no timeout limit</td></tr><tr><td>doris.request.tablet.size</td><td>optional</td><td>Integer.MAX_VALUE</td><td>int</td><td>The number of Doris Tablets corresponding to an Partition. The smaller this value is set, the more partitions will be generated. This will increase the parallelism on the flink side, but at the same time will cause greater pressure on Doris.</td></tr><tr><td>doris.batch.size</td><td>optional</td><td>1024</td><td>int</td><td>The maximum number of rows to read data from BE at one time. Increasing this value can reduce the number of connections between Flink and Doris. Thereby reducing the extra time overhead caused by network delay.</td></tr><tr><td>doris.exec.mem.limit</td><td>optional</td><td>2147483648</td><td>long</td><td>Memory limit for a single query. The default is 2GB, in bytes.</td></tr><tr><td>doris.deserialize.arrow.async</td><td>optional</td><td>false</td><td>boolean</td><td>Whether to support asynchronous conversion of Arrow format to RowBatch required for flink-doris-connector iteration</td></tr><tr><td>doris.deserialize.queue.size</td><td>optional</td><td>64</td><td>int</td><td>Asynchronous conversion of the internal processing queue in Arrow format takes effect when doris.deserialize.arrow.async is true</td></tr><tr><td>doris.read.field</td><td>optional</td><td>(none)</td><td>string</td><td>List of column names in the Doris table, separated by commas</td></tr><tr><td>doris.filter.query</td><td>optional</td><td>(none)</td><td>string</td><td>Filter expression of the query, which is transparently transmitted to Doris. Doris uses this expression to complete source-side data filtering.</td></tr></tbody></table><h2 class="anchor anchorWithStickyNavbar_LWe7" id="data-type-mapping">Data Type Mapping<a href="#data-type-mapping" class="hash-link" aria-label="Direct link to Data Type Mapping" title="Direct link to Data Type Mapping"></a></h2><table><thead><tr><th>Doris Type</th><th>Flink Type</th></tr></thead><tbody><tr><td>NULL_TYPE</td><td>NULL</td></tr><tr><td>BOOLEAN</td><td>BOOLEAN</td></tr><tr><td>TINYINT</td><td>TINYINT</td></tr><tr><td>SMALLINT</td><td>SMALLINT</td></tr><tr><td>INT</td><td>INT</td></tr><tr><td>BIGINT</td><td>BIGINT</td></tr><tr><td>FLOAT</td><td>FLOAT</td></tr><tr><td>DOUBLE</td><td>DOUBLE</td></tr><tr><td>DATE</td><td>STRING</td></tr><tr><td>DATETIME</td><td>STRING</td></tr><tr><td>DECIMAL</td><td>DECIMAL</td></tr><tr><td>CHAR</td><td>STRING</td></tr><tr><td>LARGEINT</td><td>STRING</td></tr><tr><td>VARCHAR</td><td>STRING</td></tr><tr><td>DECIMALV2</td><td>DECIMAL</td></tr><tr><td>TIME</td><td>DOUBLE</td></tr><tr><td>HLL</td><td>Unsupported datatype</td></tr></tbody></table><p>See <a href="https://github.com/apache/doris/blob/1.0.0-rc03/docs/en/extending-doris/flink-doris-connector.md" target="_blank" rel="noopener noreferrer">flink-doris-connector</a> for more details.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div 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