| (window.webpackJsonp=window.webpackJsonp||[]).push([[468],{865:function(e,t,s){"use strict";s.r(t);var a=s(29),r=Object(a.a)({},(function(){var e=this,t=e._self._c;return t("ContentSlotsDistributor",{attrs:{"slot-key":e.$parent.slotKey}},[t("h1",{attrs:{id:"权限管理"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#权限管理"}},[e._v("#")]),e._v(" 权限管理")]),e._v(" "),t("p",[e._v("IoTDB 为用户提供了权限管理操作，从而为用户提供对于数据的权限管理功能，保障数据的安全。")]),e._v(" "),t("p",[e._v("我们将通过以下几个具体的例子为您示范基本的用户权限操作，详细的 SQL 语句及使用方式详情请参见本文 "),t("RouterLink",{attrs:{to:"/zh/UserGuide/Master/Data-Concept/Data-Model-and-Terminology.html"}},[e._v("数据模式与概念章节")]),e._v("。同时，在 JAVA 编程环境中，您可以使用 "),t("RouterLink",{attrs:{to:"/zh/UserGuide/Master/API/Programming-JDBC.html"}},[e._v("JDBC API")]),e._v(" 单条或批量执行权限管理类语句。")],1),e._v(" "),t("h2",{attrs:{id:"基本概念"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#基本概念"}},[e._v("#")]),e._v(" 基本概念")]),e._v(" "),t("h3",{attrs:{id:"用户"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#用户"}},[e._v("#")]),e._v(" 用户")]),e._v(" "),t("p",[e._v("用户即数据库的合法使用者。一个用户与一个唯一的用户名相对应，并且拥有密码作为身份验证的手段。一个人在使用数据库之前，必须先提供合法的（即存于数据库中的）用户名与密码，使得自己成为用户。")]),e._v(" "),t("h3",{attrs:{id:"权限"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#权限"}},[e._v("#")]),e._v(" 权限")]),e._v(" "),t("p",[e._v("数据库提供多种操作，并不是所有的用户都能执行所有操作。如果一个用户可以执行某项操作，则称该用户有执行该操作的权限。权限可分为数据管理权限（如对数据进行增删改查）以及权限管理权限（用户、角色的创建与删除，权限的赋予与撤销等）。数据管理权限往往需要一个路径来限定其生效范围，可使用"),t("RouterLink",{attrs:{to:"/zh/UserGuide/Master/Data-Concept/Data-Model-and-Terminology.html"}},[e._v("路径模式")]),e._v("灵活管理权限。")],1),e._v(" "),t("h3",{attrs:{id:"角色"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#角色"}},[e._v("#")]),e._v(" 角色")]),e._v(" "),t("p",[e._v("角色是若干权限的集合，并且有一个唯一的角色名作为标识符。用户通常和一个现实身份相对应（例如交通调度员），而一个现实身份可能对应着多个用户。这些具有相同现实身份的用户往往具有相同的一些权限。角色就是为了能对这样的权限进行统一的管理的抽象。")]),e._v(" "),t("h3",{attrs:{id:"默认用户及其具有的角色"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#默认用户及其具有的角色"}},[e._v("#")]),e._v(" 默认用户及其具有的角色")]),e._v(" "),t("p",[e._v("初始安装后的 IoTDB 中有一个默认用户：root，默认密码为 root。该用户为管理员用户，固定拥有所有权限，无法被赋予、撤销权限，也无法被删除。")]),e._v(" "),t("h2",{attrs:{id:"权限操作示例"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#权限操作示例"}},[e._v("#")]),e._v(" 权限操作示例")]),e._v(" "),t("p",[e._v("根据本文中描述的 "),t("a",{attrs:{href:"https://github.com/thulab/iotdb/files/4438687/OtherMaterial-Sample.Data.txt",target:"_blank",rel:"noopener noreferrer"}},[e._v("样例数据"),t("OutboundLink")],1),e._v(" 内容，IoTDB 的样例数据可能同时属于 ln, sgcc 等不同发电集团，不同的发电集团不希望其他发电集团获取自己的数据库数据，因此我们需要将不同的数据在集团层进行权限隔离。")]),e._v(" "),t("h3",{attrs:{id:"创建用户"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#创建用户"}},[e._v("#")]),e._v(" 创建用户")]),e._v(" "),t("p",[e._v("使用 "),t("code",[e._v("CREATE USER <userName> <password>")]),e._v(" 创建用户。例如，我们可以使用具有所有权限的root用户为 ln 和 sgcc 集团创建两个用户角色，名为 ln_write_user, sgcc_write_user，密码均为 write_pwd。建议使用反引号(`)包裹用户名。SQL 语句为：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("CREATE USER `ln_write_user` 'write_pwd'\nCREATE USER `sgcc_write_user` 'write_pwd'\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("p",[e._v("此时使用展示用户的 SQL 语句：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("LIST USER\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("p",[e._v("我们可以看到这两个已经被创建的用户，结果如下：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("IoTDB> CREATE USER `ln_write_user` 'write_pwd'\nMsg: The statement is executed successfully.\nIoTDB> CREATE USER `sgcc_write_user` 'write_pwd'\nMsg: The statement is executed successfully.\nIoTDB> LIST USER\n+---------------+\n| user|\n+---------------+\n| ln_write_user|\n| root|\n|sgcc_write_user|\n+---------------+\nTotal line number = 3\nIt costs 0.157s\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br"),t("span",{staticClass:"line-number"},[e._v("4")]),t("br"),t("span",{staticClass:"line-number"},[e._v("5")]),t("br"),t("span",{staticClass:"line-number"},[e._v("6")]),t("br"),t("span",{staticClass:"line-number"},[e._v("7")]),t("br"),t("span",{staticClass:"line-number"},[e._v("8")]),t("br"),t("span",{staticClass:"line-number"},[e._v("9")]),t("br"),t("span",{staticClass:"line-number"},[e._v("10")]),t("br"),t("span",{staticClass:"line-number"},[e._v("11")]),t("br"),t("span",{staticClass:"line-number"},[e._v("12")]),t("br"),t("span",{staticClass:"line-number"},[e._v("13")]),t("br"),t("span",{staticClass:"line-number"},[e._v("14")]),t("br")])]),t("h3",{attrs:{id:"赋予用户权限"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#赋予用户权限"}},[e._v("#")]),e._v(" 赋予用户权限")]),e._v(" "),t("p",[e._v("此时，虽然两个用户已经创建，但是他们不具有任何权限，因此他们并不能对数据库进行操作，例如我们使用 ln_write_user 用户对数据库中的数据进行写入，SQL 语句为：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("p",[e._v("此时，系统不允许用户进行此操作，会提示错误：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp,status) values(1509465600000,true)\nMsg: 602: No permissions for this operation INSERT\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("p",[e._v("现在，我们用root用户分别赋予他们向对应存储组数据的写入权限.")]),e._v(" "),t("p",[e._v("我们使用 "),t("code",[e._v("GRANT USER <userName> PRIVILEGES <privileges> ON <nodeName>")]),e._v(" 语句赋予用户权限(注：其中，创建用户权限无需指定路径)，例如：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.**\nGRANT USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.**\nGRANT USER `ln_write_user` PRIVILEGES CREATE_USER\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br")])]),t("p",[e._v("执行状态如下所示：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("IoTDB> GRANT USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.**\nMsg: The statement is executed successfully.\nIoTDB> GRANT USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.**\nMsg: The statement is executed successfully.\nIoTDB> GRANT USER `ln_write_user` PRIVILEGES CREATE_USER\nMsg: The statement is executed successfully.\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br"),t("span",{staticClass:"line-number"},[e._v("4")]),t("br"),t("span",{staticClass:"line-number"},[e._v("5")]),t("br"),t("span",{staticClass:"line-number"},[e._v("6")]),t("br")])]),t("p",[e._v("接着使用ln_write_user再尝试写入数据")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("IoTDB> INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)\nMsg: The statement is executed successfully.\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("h3",{attrs:{id:"撤销用户权限"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#撤销用户权限"}},[e._v("#")]),e._v(" 撤销用户权限")]),e._v(" "),t("p",[e._v("授予用户权限后，我们可以使用 "),t("code",[e._v("REVOKE USER <userName> PRIVILEGES <privileges> ON <nodeName>")]),e._v(" 来撤销已授予的用户权限(注：其中，撤销创建用户权限无需指定路径)。例如，用root用户撤销ln_write_user和sgcc_write_user的权限：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.**\nREVOKE USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.**\nREVOKE USER `ln_write_user` PRIVILEGES CREATE_USER\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br")])]),t("p",[e._v("执行状态如下所示：")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE USER `ln_write_user` PRIVILEGES INSERT_TIMESERIES on root.ln.**\nMsg: The statement is executed successfully.\nREVOKE USER `sgcc_write_user` PRIVILEGES INSERT_TIMESERIES on root.sgcc.**\nMsg: The statement is executed successfully.\nREVOKE USER `ln_write_user` PRIVILEGES CREATE_USER\nMsg: The statement is executed successfully.\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br"),t("span",{staticClass:"line-number"},[e._v("4")]),t("br"),t("span",{staticClass:"line-number"},[e._v("5")]),t("br"),t("span",{staticClass:"line-number"},[e._v("6")]),t("br")])]),t("p",[e._v("撤销权限后，ln_write_user就没有向root.ln.**写入数据的权限了。")]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("INSERT INTO root.ln.wf01.wt01(timestamp, status) values(1509465600000, true)\nMsg: 602: No permissions for this operation INSERT\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("h3",{attrs:{id:"sql-语句"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#sql-语句"}},[e._v("#")]),e._v(" SQL 语句")]),e._v(" "),t("p",[e._v("与权限相关的语句包括：")]),e._v(" "),t("ul",[t("li",[e._v("创建用户")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("CREATE USER <userName> <password>; \nEg: IoTDB > CREATE USER `thulab` 'passwd';\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("删除用户")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("DROP USER <userName>; \nEg: IoTDB > DROP USER `xiaoming`;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("创建角色")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("CREATE ROLE <roleName>; \nEg: IoTDB > CREATE ROLE `admin`;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("删除角色")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("DROP ROLE <roleName>; \nEg: IoTDB > DROP ROLE `admin`;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("赋予用户权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT USER <userName> PRIVILEGES <privileges> ON <nodeName>; \nEg: IoTDB > GRANT USER `tempuser` PRIVILEGES DELETE_TIMESERIES on root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("赋予用户全部的权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT USER <userName> PRIVILEGES ALL ON <nodeName>; \nEg: IoTDB > grant user renyuhua privileges all on root.**\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("赋予角色权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>; \nEg: IoTDB > GRANT ROLE `temprole` PRIVILEGES DELETE_TIMESERIES ON root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("赋予角色全部的权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT ROLE <roleName> PRIVILEGES ALL ON <nodeName>; \nEg: IoTDB > GRANT ROLE `temprole` PRIVILEGES ALL ON root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("赋予用户角色")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("GRANT <roleName> TO <userName>; \nEg: IoTDB > GRANT `temprole` TO tempuser;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("撤销用户权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE USER <userName> PRIVILEGES <privileges> ON <nodeName>; \nEg: IoTDB > REVOKE USER `tempuser` PRIVILEGES DELETE_TIMESERIES on root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("移除用户所有权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE USER <userName> PRIVILEGES ALL ON <nodeName>; \nEg: IoTDB > REVOKE USER `tempuser` PRIVILEGES ALL on root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("撤销角色权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE ROLE <roleName> PRIVILEGES <privileges> ON <nodeName>; \nEg: IoTDB > REVOKE ROLE `temprole` PRIVILEGES DELETE_TIMESERIES ON root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("撤销角色全部的权限")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE ROLE <roleName> PRIVILEGES ALL ON <nodeName>; \nEg: IoTDB > REVOKE ROLE `temprole` PRIVILEGES ALL ON root.ln.**;\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br")])]),t("ul",[t("li",[e._v("撤销用户角色")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("REVOKE <roleName> FROM <userName>;\nEg: IoTDB > REVOKE `temprole` FROM tempuser;\n")])]),e._v(" 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"),t("td",{staticStyle:{"text-align":"left"}},[e._v("赋予用户角色。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("grant temprole to tempuser;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("REVOKE_USER_ROLE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("撤销用户角色。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("revoke temprole from tempuser;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("CREATE_ROLE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("创建角色。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("create role admin;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("DELETE_ROLE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("删除角色。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("drop role admin;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("LIST_ROLE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("列出所有角色，列出某角色拥有的权限，列出拥有某角色的所有用户三种操作的权限。路径无关")]),e._v(" "),t("td",[e._v("Eg1: "),t("code",[e._v("list role")]),t("br"),e._v("Eg2: "),t("code",[e._v("list role privileges actor;")]),t("br"),e._v("Eg3: "),t("code",[e._v("list privileges role wirte_role ON root.sgcc;")]),t("br"),e._v("Eg4: "),t("code",[e._v("list all role of user admin;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("GRANT_ROLE_PRIVILEGE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("赋予角色权限。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("grant role temprole privileges DELETE_TIMESERIES ON root.ln.**;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("REVOKE_ROLE_PRIVILEGE")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("撤销角色权限。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("revoke role temprole privileges DELETE_TIMESERIES ON root.ln.**;")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("CREATE_FUNCTION")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("注册 UDF。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("create function example AS 'org.apache.iotdb.udf.UDTFExample';")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("DROP_FUNCTION")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("卸载 UDF。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("drop function example")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("CREATE_TRIGGER")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("创建触发器。路径相关")]),e._v(" "),t("td",[e._v("Eg1: "),t("code",[e._v("CREATE TRIGGER <TRIGGER-NAME> BEFORE INSERT ON <FULL-PATH> AS <CLASSNAME>")]),t("br"),e._v("Eg2: "),t("code",[e._v("CREATE TRIGGER <TRIGGER-NAME> AFTER INSERT ON <FULL-PATH> AS <CLASSNAME>")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("DROP_TRIGGER")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("卸载触发器。路径相关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("drop trigger 'alert-listener-sg1d1s1'")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("START_TRIGGER")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("启动触发器。路径相关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("start trigger lert-listener-sg1d1s1'")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("STOP_TRIGGER")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("停止触发器。路径相关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("stop trigger 'alert-listener-sg1d1s1'")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("CREATE_CONTINUOUS_QUERY")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("创建连续查询。路径无关")]),e._v(" "),t("td",[e._v("Eg: "),t("code",[e._v("select s1, s1 into t1, t2 from root.sg.d1")])])]),e._v(" "),t("tr",[t("td",{staticStyle:{"text-align":"left"}},[e._v("DROP_CONTINUOUS_QUERY")]),e._v(" "),t("td",{staticStyle:{"text-align":"left"}},[e._v("卸载连续查询。路径无关")]),e._v(" "),t("td",[e._v("Eg1: "),t("code",[e._v("DROP CONTINUOUS QUERY cq3")]),t("br"),e._v("Eg2: "),t("code",[e._v("DROP CQ cq3")])])])])]),e._v(" "),t("p",[e._v("注意: 下述sql语句需要赋予多个权限才可以使用：")]),e._v(" "),t("ul",[t("li",[e._v("导入数据，需要赋予"),t("code",[e._v("READ_TIMESERIES")]),e._v("，"),t("code",[e._v("INSERT_TIMESERIES")]),e._v("两种权限。")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > ./import-csv.bat -h 127.0.0.1 -p 6667 -u renyuhua -pw root -f dump0.csv\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("查询写回(SELECT_INTO)\n"),t("ul",[t("li",[e._v("需要所有 "),t("code",[e._v("select")]),e._v(" 子句中源序列的 "),t("code",[e._v("READ_TIMESERIES")]),e._v(" 权限")]),e._v(" "),t("li",[e._v("需要所有 "),t("code",[e._v("into")]),e._v(" 子句中目标序列 "),t("code",[e._v("INSERT_TIMESERIES")]),e._v(" 权限")])])])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > select s1, s1 into t1, t2 from root.sg.d1 limit 5 offset 1000\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h3",{attrs:{id:"用户名限制"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#用户名限制"}},[e._v("#")]),e._v(" 用户名限制")]),e._v(" "),t("p",[e._v("IoTDB 规定用户名的字符长度不小于 4，其中用户名不能包含空格。")]),e._v(" "),t("h3",{attrs:{id:"密码限制"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#密码限制"}},[e._v("#")]),e._v(" 密码限制")]),e._v(" "),t("p",[e._v("IoTDB 规定密码的字符长度不小于 4，其中密码不能包含空格，密码默认采用 MD5 进行加密。")]),e._v(" "),t("h3",{attrs:{id:"角色名限制"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#角色名限制"}},[e._v("#")]),e._v(" 角色名限制")]),e._v(" "),t("p",[e._v("IoTDB 规定角色名的字符长度不小于 4，其中角色名不能包含空格。")]),e._v(" "),t("h3",{attrs:{id:"权限管理中的路径模式"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#权限管理中的路径模式"}},[e._v("#")]),e._v(" 权限管理中的路径模式")]),e._v(" "),t("p",[e._v("一个路径模式的结果集包含了它的子模式的结果集的所有元素。例如，"),t("code",[e._v("root.sg.d.*")]),e._v("是"),t("code",[e._v("root.sg.*.*")]),e._v("的子模式，而"),t("code",[e._v("root.sg.**")]),e._v("不是"),t("code",[e._v("root.sg.*.*")]),e._v("的子模式。当用户被授予对某个路径模式的权限时，在他的DDL或DML中使用的模式必须是该路径模式的子模式，这保证了用户访问时间序列时不会超出他的权限范围。")]),e._v(" "),t("h3",{attrs:{id:"权限缓存"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#权限缓存"}},[e._v("#")]),e._v(" 权限缓存")]),e._v(" "),t("p",[e._v("在分布式相关的权限操作中，在进行除了创建用户和角色之外的其他权限更改操作时，都会先清除与该用户（角色）相关的所有的"),t("code",[e._v("dataNode")]),e._v("的缓存信息，如果任何一台"),t("code",[e._v("dataNode")]),e._v("缓存信息清楚失败，这个权限更改的任务就会失败。")]),e._v(" "),t("h3",{attrs:{id:"非root用户限制进行的操作"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#非root用户限制进行的操作"}},[e._v("#")]),e._v(" 非root用户限制进行的操作")]),e._v(" "),t("p",[e._v("目前以下IoTDB支持的sql语句只有"),t("code",[e._v("root")]),e._v("用户可以进行操作，且没有对应的权限可以赋予新用户。")]),e._v(" "),t("h6",{attrs:{id:"ttl"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#ttl"}},[e._v("#")]),e._v(" TTL")]),e._v(" "),t("ul",[t("li",[e._v("设置ttl")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > set ttl to root.ln 3600\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("取消ttl")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > unset ttl to root.ln\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"元数据模板"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#元数据模板"}},[e._v("#")]),e._v(" 元数据模板")]),e._v(" "),t("ul",[t("li",[e._v("创建元数据模板")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > create schema template t1 (temperature FLOAT encoding=RLE, status BOOLEAN encoding=PLAIN compression=SNAPPY)\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("挂载元数据模板")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > set schema template t1 to root.sg1.d1\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("卸载元数据模板")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > unset schema template t1 from root.sg1.d1\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("删除元数据模板")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > drop schema template t1\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"tsfile管理"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#tsfile管理"}},[e._v("#")]),e._v(" TsFile管理")]),e._v(" "),t("ul",[t("li",[e._v("加载TsFile")])]),e._v(" "),t("div",{staticClass:"language- 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"),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"统计"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#统计"}},[e._v("#")]),e._v(" 统计")]),e._v(" "),t("ul",[t("li",[e._v("统计存储组/节点数/设备/时间序列")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > count storage group\nEg: IoTDB > count nodes root.** LEVEL=2\nEg: IoTDB > count devices root.ln.**\nEg: IoTDB > count timeseries root.**\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br"),t("span",{staticClass:"line-number"},[e._v("2")]),t("br"),t("span",{staticClass:"line-number"},[e._v("3")]),t("br"),t("span",{staticClass:"line-number"},[e._v("4")]),t("br")])]),t("h6",{attrs:{id:"删除时间分区-实验性功能"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#删除时间分区-实验性功能"}},[e._v("#")]),e._v(" 删除时间分区（实验性功能）")]),e._v(" "),t("ul",[t("li",[e._v("删除时间分区（实验性功能）")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > DELETE PARTITION root.ln 0,1,2\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"连续查询"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#连续查询"}},[e._v("#")]),e._v(" 连续查询")]),e._v(" "),t("ul",[t("li",[e._v("连续查询(CQ)")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > CREATE CONTINUOUS QUERY cq1 BEGIN SELECT max_value(temperature) INTO temperature_max FROM root.ln.*.* GROUP BY time(10s) END\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"运维命令"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#运维命令"}},[e._v("#")]),e._v(" 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"),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("SET STSTEM TO READONLY / WRITABLE")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > SET STSTEM TO READONLY / WRITABLE\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("SCHEMA SNAPSHOT")])]),e._v(" "),t("div",{staticClass:"language-sql line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-sql"}},[t("code",[e._v("Eg: IoTDB "),t("span",{pre:!0,attrs:{class:"token operator"}},[e._v(">")]),e._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[e._v("CREATE")]),e._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[e._v("SNAPSHOT")]),e._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[e._v("FOR")]),e._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[e._v("SCHEMA")]),e._v("\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("查询终止")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > KILL QUERY 1\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("h6",{attrs:{id:"水印工具"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#水印工具"}},[e._v("#")]),e._v(" 水印工具")]),e._v(" "),t("ul",[t("li",[e._v("为新用户施加水印")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > grant watermark_embedding to Alice\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])]),t("ul",[t("li",[e._v("撤销水印")])]),e._v(" "),t("div",{staticClass:"language- line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-text"}},[t("code",[e._v("Eg: IoTDB > revoke watermark_embedding from Alice\n")])]),e._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[e._v("1")]),t("br")])])])}),[],!1,null,null,null);t.default=r.exports}}]); |