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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 (latest)</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"><span>Syntax Conventions</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>Operate Metadata</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Write and Delete Data</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Query Data</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Process Data</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>Administration Management</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/UserGuide/Master/Administration-Management/Administration.html" aria-current="page" class="active sidebar-link">Administration</a></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Maintenance Tools</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</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>UDF Library</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>Reference</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <main class="page"> <div class="content content__default"><h1 id="administration-management"><a href="#administration-management" class="header-anchor">#</a> Administration Management</h1> <p>IoTDB provides users with account privilege management operations, so as to ensure data security.</p> <p>We will show you basic user privilege management operations through the following specific examples. Detailed SQL syntax and usage details can be found in <a href="/UserGuide/Master/Reference/SQL-Reference.html">SQL Documentation</a>. |
| At the same time, in the JAVA programming environment, you can use the <a href="/UserGuide/Master/API/Programming-JDBC.html">Java JDBC</a> to execute privilege management statements in a single or batch mode.</p> <h2 id="basic-concepts"><a href="#basic-concepts" class="header-anchor">#</a> Basic Concepts</h2> <h3 id="user"><a href="#user" class="header-anchor">#</a> User</h3> <p>The user is the legal user of the database. A user corresponds to a unique username and has a password as a means of authentication. Before using a database, a person must first provide a legitimate username and password to make himself/herself a user.</p> <h3 id="privilege"><a href="#privilege" class="header-anchor">#</a> Privilege</h3> <p>The database provides a variety of operations, and not all users can perform all operations. If a user can perform an operation, the user is said to have the privilege to perform the operation. privileges are divided into data management privilege (such as adding, deleting and modifying data) and authority management privilege (such as creation and deletion of users and roles, granting and revoking of privileges, etc.). Data management privilege often needs a path to limit its effective range. It is flexible that using <a href="/UserGuide/Master/Data-Concept/Data-Model-and-Terminology.html">path pattern</a> to manage privileges.</p> <h3 id="role"><a href="#role" class="header-anchor">#</a> Role</h3> <p>A role is a set of privileges and has a unique role name as an identifier. A user usually corresponds to a real identity (such as a traffic dispatcher), while a real identity may correspond to multiple users. These users with the same real identity tend to have the same privileges. Roles are abstractions that can unify the management of such privileges.</p> <h3 id="default-user"><a href="#default-user" class="header-anchor">#</a> Default User</h3> <p>There is a default user in IoTDB after the initial installation: root, and the default password is root. This user is an administrator user, who cannot be deleted and has all the privileges. Neither can new privileges be granted to the root user nor can privileges owned by the root user be deleted.</p> <h2 id="privilege-management-operation-examples"><a href="#privilege-management-operation-examples" class="header-anchor">#</a> Privilege Management Operation Examples</h2> <p>According to the <a href="https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt" target="_blank" rel="noopener noreferrer">sample data<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>, the sample data of IoTDB might belong to different power generation groups such as ln, sgcc, etc. Different power generation groups do not want others to obtain their own database data, so we need to have data privilege isolated at the group layer.</p> <h3 id="create-user"><a href="#create-user" class="header-anchor">#</a> Create User</h3> <p>We use <code>CREATE USER <userName> <password></code> to create users. For example, we can use root user who has all privileges to create two users for ln and sgcc groups, named ln_write_user and sgcc_write_user, with both passwords being write_pwd. It is recommended to wrap the username in backtick(`). The SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE USER `ln_write_user` 'write_pwd' |
| CREATE USER `sgcc_write_user` 'write_pwd' |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Then use the following SQL statement to show the user:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>As can be seen from the result shown below, the two users have been created:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> CREATE USER `ln_write_user` 'write_pwd' |
| Msg: The statement is executed successfully. |
| IoTDB> CREATE USER `sgcc_write_user` 'write_pwd' |
| Msg: The statement is executed successfully. |
| IoTDB> LIST USER |
| +---------------+ |
| | user| |
| +---------------+ |
| | ln_write_user| |
| | root| |
| |sgcc_write_user| |
| +---------------+ |
| Total line number = 3 |
| It costs 0.157s |
| </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><span class="line-number">14</span><br></div></div><h3 id="grant-user-privilege"><a href="#grant-user-privilege" class="header-anchor">#</a> Grant User Privilege</h3> <p>At this point, although two users have been created, they do not have any privileges, so they can not operate on the database. For example, we use ln_write_user to write data in the database, the SQL statement is:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true) |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><p>The SQL statement will not be executed and the corresponding error prompt is given as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true) |
| Msg: 602: No permissions for this operation INSERT |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><p>Now, we use root user to grant the two users write privileges to the corresponding storage groups.</p> <p>We use <code>GRANT USER <userName> PRIVILEGES <privileges> ON <nodeName></code> to grant user privileges(ps: grant create user does not need path). For example:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.** |
| GRANT USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.** |
| GRANT USER `ln_write_user` PRIVILEGES CREATE_USER |
| </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></div></div><p>The execution result is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> GRANT USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.** |
| Msg: The statement is executed successfully. |
| IoTDB> GRANT USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.** |
| Msg: The statement is executed successfully. |
| IoTDB> GRANT USER `ln_write_user` PRIVILEGES CREATE_USER |
| Msg: The statement is executed successfully. |
| </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>Next, use ln_write_user to try to write data again.</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true) |
| Msg: The statement is executed successfully. |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="revoker-user-privilege"><a href="#revoker-user-privilege" class="header-anchor">#</a> Revoker User Privilege</h3> <p>After granting user privileges, we could use <code>REVOKE USER <userName> PRIVILEGES <privileges> ON <nodeName></code> to revoke the granted user privileges(ps: revoke create user does not need path). For example, use root user to revoke the privilege of ln_write_user and sgcc_write_user:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.** |
| REVOKE USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.** |
| REVOKE USER `ln_write_user` PRIVILEGES CREATE_USER |
| </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></div></div><p>The execution result is as follows:</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.** |
| Msg: The statement is executed successfully. |
| REVOKE USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.** |
| Msg: The statement is executed successfully. |
| REVOKE USER `ln_write_user` PRIVILEGES CREATE_USER |
| Msg: The statement is executed successfully. |
| </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>After revoking, ln_write_user has no permission to writing data to root.ln.**</p> <div class="language- line-numbers-mode"><pre class="language-text"><code>INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true) |
| Msg: 602: No permissions for this operation INSERT |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h3 id="sql-statements"><a href="#sql-statements" class="header-anchor">#</a> SQL Statements</h3> <p>Here are all related SQL statements:</p> <ul><li>Create User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE USER <userName> <password>; |
| Eg: IoTDB > CREATE USER `thulab` 'pwd'; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Delete User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP USER <userName>; |
| Eg: IoTDB > DROP USER `xiaoming`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Create Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>CREATE ROLE <roleName>; |
| Eg: IoTDB > CREATE ROLE `admin`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Delete Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>DROP ROLE <roleName>; |
| Eg: IoTDB > DROP ROLE `admin`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Grant User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER <userName> PRIVILEGES <privileges> ON <nodeName>; |
| Eg: IoTDB > GRANT USER `tempuser` PRIVILEGES DELETE_TIMESERIES on root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Grant User All Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT USER <userName> PRIVILEGES ALL ON <nodeName>; |
| Eg: IoTDB > grant user renyuhua privileges all on root.** |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Grant Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>; |
| Eg: IoTDB > GRANT ROLE `temprole` PRIVILEGES DELETE_TIMESERIES ON root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Grant Role All Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT ROLE <roleName> PRIVILEGES ALL ON <nodeName>; |
| Eg: IoTDB > GRANT ROLE `temprole` PRIVILEGES ALL ON root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Grant User Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>GRANT <roleName> TO <userName>; |
| Eg: IoTDB > GRANT `temprole` TO tempuser; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Revoke User Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER <userName> PRIVILEGES <privileges> ON <nodeName>; |
| Eg: IoTDB > REVOKE USER `tempuser` PRIVILEGES DELETE_TIMESERIES on root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Revoke User All Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE USER <userName> PRIVILEGES ALL ON <nodeName>; |
| Eg: IoTDB > REVOKE USER `tempuser` PRIVILEGES ALL on root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Revoke Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>; |
| Eg: IoTDB > REVOKE ROLE `temprole` PRIVILEGES DELETE_TIMESERIES ON root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Revoke All Role Privileges</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE ROLE <roleName> PRIVILEGES ALL ON <nodeName>; |
| Eg: IoTDB > REVOKE ROLE `temprole` PRIVILEGES ALL ON root.ln.**; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Revoke Role From User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>REVOKE <roleName> FROM <userName>; |
| Eg: IoTDB > REVOKE `temprole` FROM tempuser; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER |
| Eg: IoTDB > LIST USER |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE |
| Eg: IoTDB > LIST ROLE |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Related Privileges of Users(On Specific Path)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES USER <username> ON <path>; |
| Eg: IoTDB> LIST PRIVILEGES USER `tempuser` ON root.ln.**; |
| +--------+-----------------------------------+ |
| | role| privilege| |
| +--------+-----------------------------------+ |
| | | root.ln.** : ALTER_TIMESERIES| |
| |temprole|root.ln.wf01.** : CREATE_TIMESERIES| |
| +--------+-----------------------------------+ |
| Total line number = 2 |
| It costs 0.005s |
| IoTDB> LIST PRIVILEGES USER `tempuser` ON root.ln.wf01.wt01.**; |
| +--------+-----------------------------------+ |
| | role| privilege| |
| +--------+-----------------------------------+ |
| | | root.ln.** : ALTER_TIMESERIES| |
| |temprole|root.ln.wf01.** : CREATE_TIMESERIES| |
| +--------+-----------------------------------+ |
| Total line number = 2 |
| It costs 0.005s |
| </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><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br></div></div><ul><li>List Privileges of Roles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ROLE PRIVILEGES <roleName> |
| Eg: IoTDB > LIST ROLE PRIVILEGES `actor`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Related Privileges of Roles(On Specific Path)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST PRIVILEGES ROLE <roleName> ON <path>; |
| Eg: IoTDB> LIST PRIVILEGES ROLE `temprole` ON root.ln.**; |
| +-----------------------------------+ |
| | privilege| |
| +-----------------------------------+ |
| |root.ln.wf01.** : CREATE_TIMESERIES| |
| +-----------------------------------+ |
| Total line number = 1 |
| It costs 0.005s |
| IoTDB> LIST PRIVILEGES ROLE `temprole` ON root.ln.wf01.wt01.**; |
| +-----------------------------------+ |
| | privilege| |
| +-----------------------------------+ |
| |root.ln.wf01.** : CREATE_TIMESERIES| |
| +-----------------------------------+ |
| Total line number = 1 |
| It costs 0.005s |
| </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><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br></div></div><ul><li>List Privileges of Users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST USER PRIVILEGES <username> ; |
| Eg: IoTDB > LIST USER PRIVILEGES `tempuser`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Roles of User</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL ROLE OF USER <username> ; |
| Eg: IoTDB > LIST ALL ROLE OF USER `tempuser`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>List Users of Role</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>LIST ALL USER OF ROLE <roleName>; |
| Eg: IoTDB > LIST ALL USER OF ROLE `roleuser`; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>Alter Password</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>ALTER USER <username> SET PASSWORD <password>; |
| Eg: IoTDB > ALTER USER `tempuser` SET PASSWORD 'newpwd'; |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="other-instructions"><a href="#other-instructions" class="header-anchor">#</a> Other Instructions</h2> <h3 id="the-relationship-among-users-privileges-and-roles"><a href="#the-relationship-among-users-privileges-and-roles" class="header-anchor">#</a> The Relationship among Users, Privileges and Roles</h3> <p>A Role is a set of privileges, and privileges and roles are both attributes of users. That is, a role can have several privileges and a user can have several roles and privileges (called the user's own privileges).</p> <p>At present, there is no conflicting privilege in IoTDB, so the real privileges of a user is the union of the user's own privileges and the privileges of the user's roles. That is to say, to determine whether a user can perform an operation, it depends on whether one of the user's own privileges or the privileges of the user's roles permits the operation. The user's own privileges and privileges of the user's roles may overlap, but it does not matter.</p> <p>It should be noted that if users have a privilege (corresponding to operation A) themselves and their roles contain the same privilege, then revoking the privilege from the users themselves alone can not prohibit the users from performing operation A, since it is necessary to revoke the privilege from the role, or revoke the role from the user. Similarly, revoking the privilege from the users's roles alone can not prohibit the users from performing operation A.</p> <p>At the same time, changes to roles are immediately reflected on all users who own the roles. For example, adding certain privileges to roles will immediately give all users who own the roles corresponding privileges, and deleting certain privileges will also deprive the corresponding users of the privileges (unless the users themselves have the privileges).</p> <h3 id="list-of-privileges-included-in-the-system"><a href="#list-of-privileges-included-in-the-system" class="header-anchor">#</a> List of Privileges Included in the System</h3> <p><strong>List of privileges Included in the System</strong></p> <table><thead><tr><th style="text-align:left;">privilege Name</th> <th style="text-align:left;">Interpretation</th> <th>Example</th></tr></thead> <tbody><tr><td style="text-align:left;">SET_STORAGE_GROUP</td> <td style="text-align:left;">set storage groups; path dependent</td> <td>Eg: <code>set storage group to root.ln;</code></td></tr> <tr><td style="text-align:left;">DELETE_STORAGE_GROUP</td> <td style="text-align:left;">delete storage groups; path dependent</td> <td>Eg: <code>delete storage group root.ln;</code></td></tr> <tr><td style="text-align:left;">CREATE_TIMESERIES</td> <td style="text-align:left;">create timeseries; path dependent</td> <td>Eg1: create timeseries<br><code>create timeseries root.ln.wf02.status with datatype=BOOLEAN,encoding=PLAIN;</code><br>Eg2: create aligned timeseries<br><code>create aligned timeseries root.ln.device1(latitude FLOAT encoding=PLAIN compressor=SNAPPY, longitude FLOAT encoding=PLAIN compressor=SNAPPY);</code></td></tr> <tr><td style="text-align:left;">INSERT_TIMESERIES</td> <td style="text-align:left;">insert data; path dependent</td> <td>Eg1: <code>insert into root.ln.wf02(timestamp,status) values(1,true);</code><br>Eg2: <code>insert into root.sg1.d1(time, s1, s2) aligned values(1, 1, 1)</code></td></tr> <tr><td style="text-align:left;">READ_TIMESERIES</td> <td style="text-align:left;">query data; path dependent</td> <td>Eg1: <code>show storage group;</code> <br>Eg2: <code>show child paths root.ln, show child nodes root.ln;</code><br>Eg3: <code>show devices;</code><br>Eg4: <code>show timeseries root.**;</code><br>Eg5: <code>show schema templates;</code><br>Eg6: <code>show all ttl</code><br>Eg7: <a href="/UserGuide/Master/Query-Data/Overview.html">Query-Data</a>（The query statements under this section all use this permission）<br>Eg8: CVS format data export<br><code>./export-csv.bat -h 127.0.0.1 -p 6667 -u tempuser -pw root -td ./</code><br>Eg9: Performance Tracing Tool<br><code>tracing select * from root</code><br>Eg10: UDF-Query<br><code>select example(*) from root.sg.d1</code><br>Eg11: Triggers-Query<br><code>show triggers</code></td></tr> <tr><td style="text-align:left;">DELETE_TIMESERIES</td> <td style="text-align:left;">delete data or timeseries; path dependent</td> <td>Eg1: delete timeseries<br><code>delete timeseries root.ln.wf01.wt01.status</code><br>Eg2: delete data<br><code>delete from root.ln.wf02.wt02.status where time < 10</code></td></tr> <tr><td style="text-align:left;">CREATE_USER</td> <td style="text-align:left;">create users; path independent</td> <td>Eg: <code>create user thulab 'passwd';</code></td></tr> <tr><td style="text-align:left;">DELETE_USER</td> <td style="text-align:left;">delete users; path independent</td> <td>Eg: <code>drop user xiaoming;</code></td></tr> <tr><td style="text-align:left;">MODIFY_PASSWORD</td> <td style="text-align:left;">modify passwords for all users; path independent; (Those who do not have this privilege can still change their own asswords. )</td> <td>Eg: <code>alter user tempuser SET PASSWORD 'newpwd';</code></td></tr> <tr><td style="text-align:left;">LIST_USER</td> <td style="text-align:left;">list all users; list a user's privileges; list a user's roles; list users of Role with four kinds of operation privileges; path independent</td> <td>Eg1: <code>list user;</code><br>Eg2: <code>list privileges user 'admin' on root.sgcc.**;</code><br>Eg3: <code>list user privileges admin;</code><br>Eg4: <code>list all user of role 'admin';</code></td></tr> <tr><td style="text-align:left;">GRANT_USER_PRIVILEGE</td> <td style="text-align:left;">grant user privileges; path independent</td> <td>Eg: <code>grant user tempuser privileges DELETE_TIMESERIES on root.ln.**;</code></td></tr> <tr><td style="text-align:left;">REVOKE_USER_PRIVILEGE</td> <td style="text-align:left;">revoke user privileges; path independent</td> <td>Eg: <code>revoke user tempuser privileges DELETE_TIMESERIES on root.ln.**;</code></td></tr> <tr><td style="text-align:left;">GRANT_USER_ROLE</td> <td style="text-align:left;">grant user roles; path independent</td> <td>Eg: <code>grant temprole to tempuser;</code></td></tr> <tr><td style="text-align:left;">REVOKE_USER_ROLE</td> <td style="text-align:left;">revoke user roles; path independent</td> <td>Eg: <code>revoke temprole from tempuser;</code></td></tr> <tr><td style="text-align:left;">CREATE_ROLE</td> <td style="text-align:left;">create roles; path independent</td> <td>Eg: <code>create role admin;</code></td></tr> <tr><td style="text-align:left;">DELETE_ROLE</td> <td style="text-align:left;">delete roles; path independent</td> <td>Eg: <code>drop role admin;</code></td></tr> <tr><td style="text-align:left;">LIST_ROLE</td> <td style="text-align:left;">list all roles; list the privileges of a role; list the three kinds of operation privileges of all users owning a role; path independent</td> <td>Eg1: <code>list role</code><br>Eg2: <code>list role privileges actor;</code><br>Eg3: <code>list privileges role wirte_role ON root.sgcc;</code><br>Eg4: <code>list all role of user admin;</code></td></tr> <tr><td style="text-align:left;">GRANT_ROLE_PRIVILEGE</td> <td style="text-align:left;">grant role privileges; path independent</td> <td>Eg: <code>grant role temprole privileges DELETE_TIMESERIES ON root.ln.**;</code></td></tr> <tr><td style="text-align:left;">REVOKE_ROLE_PRIVILEGE</td> <td style="text-align:left;">revoke role privileges; path independent</td> <td>Eg: <code>revoke role temprole privileges DELETE_TIMESERIES ON root.ln.**;</code></td></tr> <tr><td style="text-align:left;">CREATE_FUNCTION</td> <td style="text-align:left;">register UDFs; path independent</td> <td>Eg: <code>create function example AS 'org.apache.iotdb.udf.UDTFExample';</code></td></tr> <tr><td style="text-align:left;">DROP_FUNCTION</td> <td style="text-align:left;">deregister UDFs; path independent</td> <td>Eg: <code>drop function example</code></td></tr> <tr><td style="text-align:left;">CREATE_TRIGGER</td> <td style="text-align:left;">create triggers; path dependent</td> <td>Eg1: <code>CREATE TRIGGER <TRIGGER-NAME> BEFORE INSERT ON <FULL-PATH> AS <CLASSNAME></code><br>Eg2: <code>CREATE TRIGGER <TRIGGER-NAME> AFTER INSERT ON <FULL-PATH> AS <CLASSNAME></code></td></tr> <tr><td style="text-align:left;">DROP_TRIGGER</td> <td style="text-align:left;">drop triggers; path dependent</td> <td>Eg: <code>drop trigger 'alert-listener-sg1d1s1'</code></td></tr> <tr><td style="text-align:left;">START_TRIGGER</td> <td style="text-align:left;">start triggers; path dependent</td> <td>Eg: <code>start trigger lert-listener-sg1d1s1'</code></td></tr> <tr><td style="text-align:left;">STOP_TRIGGER</td> <td style="text-align:left;">stop triggers; path dependent</td> <td>Eg: <code>stop trigger 'alert-listener-sg1d1s1'</code></td></tr> <tr><td style="text-align:left;">CREATE_CONTINUOUS_QUERY</td> <td style="text-align:left;">create continuous queries; path independent</td> <td>Eg: <code>select s1, s1 into t1, t2 from root.sg.d1</code></td></tr> <tr><td style="text-align:left;">DROP_CONTINUOUS_QUERY</td> <td style="text-align:left;">drop continuous queries; path independent</td> <td>Eg1: <code>DROP CONTINUOUS QUERY cq3</code><br>Eg2: <code>DROP CQ cq3</code></td></tr></tbody></table> <p>Note that the following SQL statements need to be granted multiple permissions before they can be used：</p> <ul><li>Import data: Need to assign <code>READ_TIMESERIES</code>，<code>INSERT_TIMESERIES</code> two permissions.。</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > ./import-csv.bat -h 127.0.0.1 -p 6667 -u renyuhua -pw root -f dump0.csv |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Query Write-back (SELECT INTO)</li> <li><ul><li><code>READ_TIMESERIES</code> permission of source sequence in all <code>select</code> clauses is required</li> <li><code>INSERT_TIMESERIES</code> permission of target sequence in all <code>into</code> clauses is required</li></ul></li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > select s1, s1 into t1, t2 from root.sg.d1 limit 5 offset 1000 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h3 id="username-restrictions"><a href="#username-restrictions" class="header-anchor">#</a> Username Restrictions</h3> <p>IoTDB specifies that the character length of a username should not be less than 4, and the username cannot contain spaces.</p> <h3 id="password-restrictions"><a href="#password-restrictions" class="header-anchor">#</a> Password Restrictions</h3> <p>IoTDB specifies that the character length of a password should have no less than 4 character length, and no spaces. The password is encrypted with MD5.</p> <h3 id="role-name-restrictions"><a href="#role-name-restrictions" class="header-anchor">#</a> Role Name Restrictions</h3> <p>IoTDB specifies that the character length of a role name should have no less than 4 character length, and no spaces.</p> <h3 id="path-pattern-in-administration-management"><a href="#path-pattern-in-administration-management" class="header-anchor">#</a> Path pattern in Administration Management</h3> <p>A path pattern's result set contains all the elements of its sub pattern's |
| result set. For example, <code>root.sg.d.*</code> is a sub pattern of |
| <code>root.sg.*.*</code>, while <code>root.sg.**</code> is not a sub pattern of |
| <code>root.sg.*.*</code>. When a user is granted privilege on a pattern, the pattern used in his DDL or DML must be a sub pattern of the privilege pattern, which guarantees that the user won't access the timeseries exceed his privilege scope.</p> <h3 id="permission-cache"><a href="#permission-cache" class="header-anchor">#</a> Permission cache</h3> <p>In distributed related permission operations, when changing permissions other than creating users and roles, all the cache information of <code>dataNode</code> related to the user (role) will be cleared first. If any <code>dataNode</code> cache information is clear and fails, the permission change task will fail.</p> <h3 id="operations-restricted-by-non-root-users"><a href="#operations-restricted-by-non-root-users" class="header-anchor">#</a> Operations restricted by non root users</h3> <p>At present, the following SQL statements supported by iotdb can only be operated by the <code>root</code> user, and no corresponding permission can be given to the new user.</p> <h6 id="ttl"><a href="#ttl" class="header-anchor">#</a> TTL</h6> <ul><li>set ttl</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > set ttl to root.ln 3600 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>unset ttl</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > unset ttl to root.ln |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="schema-template"><a href="#schema-template" class="header-anchor">#</a> Schema Template</h6> <ul><li>Create Schema Template</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > create schema template t1 (temperature FLOAT encoding=RLE, status BOOLEAN encoding=PLAIN compression=SNAPPY) |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Set Schema Template</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > set schema template t1 to root.sg1.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Uset Schema Template</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > unset schema template t1 from root.sg1.d1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Drop Schema Template</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > drop schema template t1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="tsfile-management"><a href="#tsfile-management" class="header-anchor">#</a> TsFile Management</h6> <ul><li>Load TsFiles</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > load '/Users/Desktop/data/1575028885956-101-0.tsfile' |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>remove a tsfile</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > remove '/Users/Desktop/data/data/root.vehicle/0/0/1575028885956-101-0.tsfile' |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>unload a tsfile and move it to a target directory</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > unload '/Users/Desktop/data/data/root.vehicle/0/0/1575028885956-101-0.tsfile' '/data/data/tmp' |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="count"><a href="#count" class="header-anchor">#</a> Count</h6> <ul><li>Count storage group/Number of nodes/device/timeseries</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > count storage group |
| Eg: IoTDB > count nodes root.** LEVEL=2 |
| Eg: IoTDB > count devices root.ln.** |
| Eg: IoTDB > count timeseries root.** |
| </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></div></div><h6 id="delete-time-partition-experimental"><a href="#delete-time-partition-experimental" class="header-anchor">#</a> Delete Time Partition (experimental)</h6> <ul><li>Delete Time Partition (experimental)</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > DELETE PARTITION root.ln 0,1,2 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="continuous-query-cq"><a href="#continuous-query-cq" class="header-anchor">#</a> Continuous Query,CQ</h6> <ul><li>Continuous Query,CQ</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > CREATE CONTINUOUS QUERY cq1 BEGIN SELECT max_value(temperature) INTO temperature_max FROM root.ln.*.* GROUP BY time(10s) END |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="maintenance-command"><a href="#maintenance-command" class="header-anchor">#</a> Maintenance Command</h6> <ul><li>FLUSH</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > flush |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>MERGE</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > MERGE |
| Eg: IoTDB > FULL MERGE |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><ul><li>CLEAR CACHE</li></ul> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>Eg: IoTDB <span class="token operator">></span> CLEAR CACHE |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>SET STSTEM TO READONLY / WRITABLE</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > SET STSTEM TO READONLY / WRITABLE |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>SCHEMA SNAPSHOT</li></ul> <div class="language-sql line-numbers-mode"><pre class="language-sql"><code>Eg: IoTDB <span class="token operator">></span> <span class="token keyword">CREATE</span> <span class="token keyword">SNAPSHOT</span> <span class="token keyword">FOR</span> <span class="token keyword">SCHEMA</span> |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Query abort</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > KILL QUERY 1 |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><h6 id="watermark-tool"><a href="#watermark-tool" class="header-anchor">#</a> Watermark Tool</h6> <ul><li>Watermark new users</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > grant watermark_embedding to Alice |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div><ul><li>Watermark Detection</li></ul> <div class="language- line-numbers-mode"><pre class="language-text"><code>Eg: IoTDB > revoke watermark_embedding from Alice |
| </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev"> |
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