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| <span><svg 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" class="icon outbound"><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="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group depth-0"><p class="sidebar-heading"><span>IoTDB User Guide (In progress)</span> <!----></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB Introduction</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Quick Start</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Data Concept</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>CLI</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/UserGuide/Master/CLI/Command-Line-Interface.html" aria-current="page" class="active sidebar-link">Command Line Interface</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Administration Management</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>IoTDB-SQL Language</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>API</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Advanced Features</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Communication Service Protocol</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>System Tools</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Collaboration of Edge and Cloud</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Ecosystem Integration</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Cluster Setup</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>FAQ</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Appendix</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Comparison with TSDBs</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="command-line-interface-cli"><a href="#command-line-interface-cli" class="header-anchor">#</a> Command Line Interface(CLI)</h1> <p>IoTDB provides Cli/shell tools for users to interact with IoTDB server in command lines. This document shows how Cli/shell tool works and the meaning of its parameters.</p> <blockquote><p>Note: In this document, $IOTDB_HOME represents the path of the IoTDB installation directory.</p></blockquote> <h2 id="installation"><a href="#installation" class="header-anchor">#</a> Installation</h2> <p>Under the root path of iotdb:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token operator">></span> mvn clean package -pl cli -am -DskipTests |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After build, the IoTDB cli will be in the folder "cli/target/iotdb-cli-{project.version}".</p> <h2 id="running"><a href="#running" class="header-anchor">#</a> Running</h2> <h3 id="running-cli"><a href="#running-cli" class="header-anchor">#</a> Running Cli</h3> <p>After installation, there is a default user in IoTDB: <code>root</code>, and the |
| default password is <code>root</code>. Users can use this username to try IoTDB Cli/Shell tool. The cli startup script is the <code>start-cli</code> file under the $IOTDB_HOME/bin folder. When starting the script, you need to specify the IP and PORT. (Make sure the IoTDB server is running properly when you use Cli/Shell tool to connect it.)</p> <p>Here is an example where the server is started locally and the user has not changed the running port. The default rpc port is |
| 6667 <br> |
| If you need to connect to the remote server or changes |
| the rpc port number of the server running, set the specific IP and RPC PORT at -h and -p.<br> |
| You also can set your own environment variable at the front of the start script ("/sbin/start-cli.sh" for linux and "/sbin/start-cli.bat" for windows)</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin/start-cli.sh -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin<span class="token punctuation">\</span>start-cli.bat -h <span class="token number">127.0</span>.0.1 -p <span class="token number">6667</span> -u root -pw root |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>After using these commands, the cli can be started successfully. The successful status will be as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code> _____ _________ ______ ______ |
| |_ _| | _ _ ||_ _ `.|_ _ \ |
| | | .--.|_/ | | \_| | | `. \ | |_) | |
| | | / .'`\ \ | | | | | | | __'. |
| _| |_| \__. | _| |_ _| |_.' /_| |__) | |
| |_____|'.__.' |_____| |______.'|_______/ version <version> |
| |
| |
| IoTDB> login successfully |
| IoTDB> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>Enter <code>quit</code> or <code>exit</code> can exit Cli. The cli will shows <code>quit normally</code></p> <h3 id="cli-parameters"><a href="#cli-parameters" class="header-anchor">#</a> Cli Parameters</h3> <table><thead><tr><th style="text-align:left;">Parameter name</th> <th style="text-align:left;">Parameter type</th> <th style="text-align:left;">Required</th> <th style="text-align:left;">Description</th> <th style="text-align:left;">Example</th></tr></thead> <tbody><tr><td style="text-align:left;">-disableISO8601</td> <td style="text-align:left;">No parameters</td> <td style="text-align:left;">No</td> <td style="text-align:left;">If this parameter is set, IoTDB will print the timestamp in digital form</td> <td style="text-align:left;">-disableISO8601</td></tr> <tr><td style="text-align:left;">-h <<code>host</code>></td> <td style="text-align:left;">string, no quotation marks</td> <td style="text-align:left;">Yes</td> <td style="text-align:left;">The IP address of the IoTDB server</td> <td style="text-align:left;">-h 10.129.187.21</td></tr> <tr><td style="text-align:left;">-help</td> <td style="text-align:left;">No parameters</td> <td style="text-align:left;">No</td> <td style="text-align:left;">Print help information for IoTDB</td> <td style="text-align:left;">-help</td></tr> <tr><td style="text-align:left;">-p <<code>rpcPort</code>></td> <td style="text-align:left;">int</td> <td style="text-align:left;">Yes</td> <td style="text-align:left;">The rpc port number of the IoTDB server. IoTDB runs on rpc port 6667 by default</td> <td style="text-align:left;">-p 6667</td></tr> <tr><td style="text-align:left;">-pw <<code>password</code>></td> <td style="text-align:left;">string, no quotation marks</td> <td style="text-align:left;">No</td> <td style="text-align:left;">The password used for IoTDB to connect to the server. If no password is entered, IoTDB will ask for password in Cli command</td> <td style="text-align:left;">-pw root</td></tr> <tr><td style="text-align:left;">-u <<code>username</code>></td> <td style="text-align:left;">string, no quotation marks</td> <td style="text-align:left;">Yes</td> <td style="text-align:left;">User name used for IoTDB to connect the server</td> <td style="text-align:left;">-u root</td></tr> <tr><td style="text-align:left;">-maxPRC <<code>maxPrintRowCount</code>></td> <td style="text-align:left;">int</td> <td style="text-align:left;">No</td> <td style="text-align:left;">Set the maximum number of rows that IoTDB returns</td> <td style="text-align:left;">-maxPRC 10</td></tr> <tr><td style="text-align:left;">-e <<code>execute</code>></td> <td style="text-align:left;">string</td> <td style="text-align:left;">No</td> <td style="text-align:left;">manipulate IoTDB in batches without entering cli input mode</td> <td style="text-align:left;">-e "show storage group"</td></tr> <tr><td style="text-align:left;">-c</td> <td style="text-align:left;">empty</td> <td style="text-align:left;">No</td> <td style="text-align:left;">If the server enables <code>rpc_thrift_compression_enable=true</code>, then cli must use <code>-c</code></td> <td style="text-align:left;">-c</td></tr></tbody></table> <p>Following is a cli command which connects the host with IP |
| 10.129.187.21, rpc port 6667, username "root", password "root", and prints the timestamp in digital form. The maximum number of lines displayed on the IoTDB command line is 10.</p> <p>The Linux and MacOS system startup commands are as follows:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin/start-cli.sh -h <span class="token number">10.129</span>.187.21 -p <span class="token number">6667</span> -u root -pw root -disableISO8601 -maxPRC <span class="token number">10</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system startup commands are as follows:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin<span class="token punctuation">\</span>start-cli.bat -h <span class="token number">10.129</span>.187.21 -p <span class="token number">6667</span> -u root -pw root -disableISO8601 -maxPRC <span class="token number">10</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side"><a href="#note-on-using-the-cli-with-openid-connect-auth-enabled-on-server-side" class="header-anchor">#</a> Note on using the CLI with OpenID Connect Auth enabled on Server side</h3> <p>Openid connect (oidc) uses keycloack as the authority authentication service of oidc service</p> <h4 id="configuration"><a href="#configuration" class="header-anchor">#</a> configuration</h4> <p>The configuration is located in iotdb-engines.properties , set the author_provider_class is org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer Openid service is enabled, and the default value is org.apache.iotdb.db.auth.authorizer.LocalFileAuthorizer Indicates that the openid service is not enabled.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>authorizer_provider_class=org.apache.iotdb.db.auth.authorizer.OpenIdAuthorizer |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>If the openid service is turned on, openid_URL is required,openID_url value is http://ip:port/auth/realms/{realmsName}</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>openID_url=http://127.0.0.1:8080/auth/realms/iotdb/ |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>####keycloack configuration</p> <p>1、Download the keycloack file and start keycloack in keycloack/bin</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span>cd bin |
| Shell <span class="token operator">></span>./standalone.sh |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>2、use url(https://ip:port/auth) login keycloack, the first login needs to create a user |
| <img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/login_keycloak.png?raw=true" alt="avatar"></p> <p>3、Click administration console |
| <img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/Administration%20Console.png?raw=true" alt="avatar"></p> <p>4、In the master menu on the left, click Add realm and enter name to create a new realm |
| <img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/add%20Realm_1.png?raw=true" alt="avatar"></p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/add%20Realm_2.png?raw=true" alt="avatar"></p> <p>5、Click the menu clients on the left to create clients</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/client.png?raw=true" alt="avatar"></p> <p>6、Click user on the left menu to create user</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/user.png?raw=true" alt="avatar"></p> <p>7、Click the newly created user ID, click the credentials navigation, enter the password and close the temporary option. The configuration of keycloud is completed</p> <p><img src="https://github.com/apache/iotdb-bin-resources/blob/main/docs/UserGuide/CLI/Command-Line-Interface/pwd.png?raw=true" alt="avatar"></p> <p>The above steps provide a way for keycloak to log into iotdb. For more ways, please refer to keycloak configuration</p> <p>If OIDC is enabled on server side then no username / passwort is needed but a valid Access Token from the OIDC Provider. |
| So as username you use the token and the password has to be empty, e.g.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin/start-cli.sh -h <span class="token number">10.129</span>.187.21 -p <span class="token number">6667</span> -u <span class="token punctuation">{</span>my-access-token<span class="token punctuation">}</span> -pw <span class="token string">""</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>How to get the token is dependent on your OpenID Connect setup and not covered here. |
| In the simplest case you can get this via the command line with the <code>passwort-grant</code>. |
| For example, if you use keycloack as OIDC and you have a realm with a client <code>iotdb</code> defined as public you could use |
| the following <code>curl</code> command to fetch a token (replace all <code>{}</code> with appropriate values).</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token function">curl</span> -X POST <span class="token string">"https://{your-keycloack-server}/auth/realms/{your-realm}/protocol/openid-connect/token"</span> <span class="token punctuation">\</span> |
| -H <span class="token string">"Content-Type: application/x-www-form-urlencoded"</span> <span class="token punctuation">\</span> |
| -d <span class="token string">"username={username}"</span> <span class="token punctuation">\</span> |
| -d <span class="token string">"password={password}"</span> <span class="token punctuation">\</span> |
| -d <span class="token string">'grant_type=password'</span> <span class="token punctuation">\</span> |
| -d <span class="token string">"client_id=iotdb"</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br></div></div><p>The response looks something like</p> <div class="language-json line-numbers-mode"><pre class="language-json"><code><span class="token punctuation">{</span><span class="token property">"access_token"</span><span class="token operator">:</span><span class="token string">"eyJhbGciOiJSUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJxMS1XbTBvelE1TzBtUUg4LVNKYXAyWmNONE1tdWNXd25RV0tZeFpKNG93In0.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.nwbrJkWdCNjzFrTDwKNuV5h9dDMg5ytRKGOXmFIajpfsbOutJytjWTCB2WpA8E1YI3KM6gU6Jx7cd7u0oPo5syHhfCz119n_wBiDnyTZkFOAPsx0M2z20kvBLN9k36_VfuCMFUeddJjO31MeLTmxB0UKg2VkxdczmzMH3pnalhxqpnWWk3GnrRrhAf2sZog0foH4Ae3Ks0lYtYzaWK_Yo7E4Px42-gJpohy3JevOC44aJ4auzJR1RBj9LUbgcRinkBy0JLi6XXiYznSC2V485CSBHW3sseXn7pSXQADhnmGQrLfFGO5ZljmPO18eFJaimdjvgSChsrlSEmTDDsoo5Q"</span><span class="token punctuation">,</span><span class="token property">"expires_in"</span><span class="token operator">:</span><span class="token number">300</span><span class="token punctuation">,</span><span class="token property">"refresh_expires_in"</span><span class="token operator">:</span><span class="token number">1800</span><span class="token punctuation">,</span><span class="token property">"refresh_token"</span><span class="token operator">:</span><span class="token string">"eyJhbGciOiJIUzI1NiIsInR5cCIgOiAiSldUIiwia2lkIiA6ICJhMzZlMGU0NC02MWNmLTQ5NmMtOGRlZi03NTkwNjQ5MzQzMjEifQ.eyJleHAiOjE1OTAzOTk1NzEsImlhdCI6MTU5MDM5Nzc3MSwianRpIjoiNmMxNTBiY2EtYmE5NC00NTgxLWEwODEtYjI2YzhhMmI5YmZmIiwiaXNzIjoiaHR0cDovL2F1dGguZGVtby5wcmFnbWF0aWNpbmR1c3RyaWVzLmRlL2F1dGgvcmVhbG1zL0lvVERCIiwiYXVkIjoiaHR0cDovL2F1dGguZGVtby5wcmFnbWF0aWNpbmR1c3RyaWVzLmRlL2F1dGgvcmVhbG1zL0lvVERCIiwic3ViIjoiYmEzMmU0NzEtYzc3Mi00YjMzLThkYTYtNmZlOGFjZGEwMDczIiwidHlwIjoiUmVmcmVzaCIsImF6cCI6ImlvdGRiIiwic2Vzc2lvbl9zdGF0ZSI6IjA2MGQyODYyLTE0ZWQtNDJmZS1iYWY3LThkMWY3ODQ2NTdmMSIsInNjb3BlIjoiZW1haWwgcHJvZmlsZSJ9.ayNpXdNX28qahodX1zowrMGiUCw2AodlHBQFqr8Ui7c"</span><span class="token punctuation">,</span><span class="token property">"token_type"</span><span class="token operator">:</span><span class="token string">"bearer"</span><span class="token punctuation">,</span><span class="token property">"not-before-policy"</span><span class="token operator">:</span><span class="token number">0</span><span class="token punctuation">,</span><span class="token property">"session_state"</span><span class="token operator">:</span><span class="token string">"060d2862-14ed-42fe-baf7-8d1f784657f1"</span><span class="token punctuation">,</span><span class="token property">"scope"</span><span class="token operator">:</span><span class="token string">"email profile"</span><span class="token punctuation">}</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The interesting part here is the access token with the key <code>access_token</code>. |
| This has to be passed as username (with parameter <code>-u</code>) and empty password to the CLI.</p> <h3 id="batch-operation-of-cli"><a href="#batch-operation-of-cli" class="header-anchor">#</a> Batch Operation of Cli</h3> <p>-e parameter is designed for the Cli/shell tool in the situation where you would like to manipulate IoTDB in batches through scripts. By using the -e parameter, you can operate IoTDB without entering the cli's input mode.</p> <p>In order to avoid confusion between statements and other parameters, the current situation only supports the -e parameter as the last parameter.</p> <p>The usage of -e parameter for Cli/shell is as follows:</p> <p>The Linux and MacOS system commands:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin/start-cli.sh -h <span class="token punctuation">{</span>host<span class="token punctuation">}</span> -p <span class="token punctuation">{</span>rpcPort<span class="token punctuation">}</span> -u <span class="token punctuation">{</span>user<span class="token punctuation">}</span> -pw <span class="token punctuation">{</span>password<span class="token punctuation">}</span> -e <span class="token punctuation">{</span>sql <span class="token keyword">for</span> iotdb<span class="token punctuation">}</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The Windows system commands:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code>Shell <span class="token operator">></span> sbin<span class="token punctuation">\</span>start-cli.bat -h <span class="token punctuation">{</span>host<span class="token punctuation">}</span> -p <span class="token punctuation">{</span>rpcPort<span class="token punctuation">}</span> -u <span class="token punctuation">{</span>user<span class="token punctuation">}</span> -pw <span class="token punctuation">{</span>password<span class="token punctuation">}</span> -e <span class="token punctuation">{</span>sql <span class="token keyword">for</span> iotdb<span class="token punctuation">}</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>In the Windows environment, the SQL statement of the -e parameter needs to use <code>``</code> to replace <code>" "</code></p> <p>In order to better explain the use of -e parameter, take following as an example(On linux system).</p> <p>Suppose you want to create a storage group root.demo to a newly launched IoTDB, create a timeseries root.demo.s1 and insert three data points into it. With -e parameter, you could write a shell like this:</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code><span class="token comment"># !/bin/bash</span> |
| |
| <span class="token assign-left variable">host</span><span class="token operator">=</span><span class="token number">127.0</span>.0.1 |
| <span class="token assign-left variable">rpcPort</span><span class="token operator">=</span><span class="token number">6667</span> |
| <span class="token assign-left variable">user</span><span class="token operator">=</span>root |
| <span class="token assign-left variable">pass</span><span class="token operator">=</span>root |
| |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"set storage group to root.demo"</span> |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"create timeseries root.demo.s1 WITH DATATYPE=INT32, ENCODING=RLE"</span> |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"insert into root.demo(timestamp,s1) values(1,10)"</span> |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"insert into root.demo(timestamp,s1) values(2,11)"</span> |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"insert into root.demo(timestamp,s1) values(3,12)"</span> |
| ./sbin/start-cli.sh -h <span class="token variable">${host}</span> -p <span class="token variable">${rpcPort}</span> -u <span class="token variable">${user}</span> -pw <span class="token variable">${pass}</span> -e <span class="token string">"select s1 from root.demo"</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br></div></div><p>The print results are shown in the figure, which are consistent with the cli and jdbc operations.</p> <div class="language-shell line-numbers-mode"><pre class="language-shell"><code> Shell <span class="token operator">></span> ./shell.sh |
| +-----------------------------+------------+ |
| <span class="token operator">|</span> Time<span class="token operator">|</span>root.demo.s1<span class="token operator">|</span> |
| +-----------------------------+------------+ |
| <span class="token operator">|</span><span class="token number">1970</span>-01-01T08:00:00.001+08:00<span class="token operator">|</span> <span class="token number">10</span><span class="token operator">|</span> |
| <span class="token operator">|</span><span class="token number">1970</span>-01-01T08:00:00.002+08:00<span class="token operator">|</span> <span class="token number">11</span><span class="token operator">|</span> |
| <span class="token operator">|</span><span class="token number">1970</span>-01-01T08:00:00.003+08:00<span class="token operator">|</span> <span class="token number">12</span><span class="token operator">|</span> |
| +-----------------------------+------------+ |
| Total line number <span class="token operator">=</span> <span class="token number">3</span> |
| It costs <span class="token number">0</span>.267s |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br></div></div><p>It should be noted that the use of the -e parameter in shell scripts requires attention to the escaping of special characters.</p></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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