(window.webpackJsonp=window.webpackJsonp||[]).push([[900],{1469:function(t,e,r){"use strict";r.r(e);var a=r(71),i=Object(a.a)({},(function(){var t=this,e=t.$createElement,r=t._self._c||e;return r("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[r("h1",{attrs:{id:"数据查询"}},[r("a",{staticClass:"header-anchor",attrs:{href:"#数据查询"}},[t._v("#")]),t._v(" 数据查询")]),t._v(" "),r("p",[t._v("数据查询有如下几种类型")]),t._v(" "),r("ul",[r("li",[t._v("原始数据查询")]),t._v(" "),r("li",[t._v("聚合查询")]),t._v(" "),r("li",[t._v("降采样查询")]),t._v(" "),r("li",[t._v("单点补空值查询")]),t._v(" "),r("li",[t._v("最新数据查询")]),t._v(" "),r("li",[t._v("按设备对齐查询")]),t._v(" "),r("li",[t._v("降采样补空值查询")])]),t._v(" "),r("p",[t._v("为了实现以上几种查询，IoTDB 查询引擎中设计了针对单个时间序列的基础查询组件，在此基础上，实现了多种查询功能。")]),t._v(" "),r("h2",{attrs:{id:"相关文档"}},[r("a",{staticClass:"header-anchor",attrs:{href:"#相关文档"}},[t._v("#")]),t._v(" 相关文档")]),t._v(" "),r("ul",[r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/QueryFundamentals.html"}},[t._v("查询基础介绍")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/SeriesReader.html"}},[t._v("基础查询组件")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/RawDataQuery.html"}},[t._v("原始数据查询")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/AggregationQuery.html"}},[t._v("聚合查询")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/GroupByQuery.html"}},[t._v("降采样查询")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/LastQuery.html"}},[t._v("最近时间戳查询")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/AlignByDeviceQuery.html"}},[t._v("按设备对齐查询")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/FillFunction.html"}},[t._v("空值填充")])],1),t._v(" "),r("li",[r("RouterLink",{attrs:{to:"/zh/SystemDesign/DataQuery/GroupByFillQuery.html"}},[t._v("降采样补空值查询")])],1)])])}),[],!1,null,null,null);e.default=i.exports}}]);