| const e=JSON.parse('{"key":"v-d9fa38a0","path":"/zh/UserGuide/V1.2.x/Query-Data/Select-Expression.html","title":"","lang":"zh-CN","frontmatter":{"description":"选择表达式 SELECT 子句指定查询的输出，由若干个 selectExpr 组成。 每个 selectExpr 定义了查询结果中的一列或多列。 selectExpr 是一个由时间序列路径后缀、常量、函数和运算符组成的表达式。即 selectExpr 中可以包含： 时间序列路径后缀（支持使用通配符）; 运算符; 算数运算符; 比较运算符; 逻辑运算符;...","head":[["link",{"rel":"alternate","hreflang":"en-us","href":"https://iotdb.apache.org/UserGuide/V1.2.x/Query-Data/Select-Expression.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/zh/UserGuide/V1.2.x/Query-Data/Select-Expression.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:description","content":"选择表达式 SELECT 子句指定查询的输出，由若干个 selectExpr 组成。 每个 selectExpr 定义了查询结果中的一列或多列。 selectExpr 是一个由时间序列路径后缀、常量、函数和运算符组成的表达式。即 selectExpr 中可以包含： 时间序列路径后缀（支持使用通配符）; 运算符; 算数运算符; 比较运算符; 逻辑运算符;..."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"zh-CN"}],["meta",{"property":"og:locale:alternate","content":"en-US"}],["meta",{"property":"og:updated_time","content":"2023-07-25T09:36:26.000Z"}],["meta",{"property":"article:modified_time","content":"2023-07-25T09:36:26.000Z"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"\\",\\"image\\":[\\"\\"],\\"dateModified\\":\\"2023-07-25T09:36:26.000Z\\",\\"author\\":[]}"]]},"headers":[{"level":2,"title":"选择表达式","slug":"选择表达式","link":"#选择表达式","children":[{"level":3,"title":"使用别名","slug":"使用别名","link":"#使用别名","children":[]},{"level":3,"title":"运算符","slug":"运算符","link":"#运算符","children":[]},{"level":3,"title":"函数","slug":"函数","link":"#函数","children":[]},{"level":3,"title":"嵌套表达式举例","slug":"嵌套表达式举例","link":"#嵌套表达式举例","children":[]}]}],"git":{"createdTime":1690277786000,"updatedTime":1690277786000,"contributors":[{"name":"wanghui42","email":"105700158+wanghui42@users.noreply.github.com","commits":1}]},"readingTime":{"minutes":6.19,"words":1858},"filePathRelative":"zh/UserGuide/V1.2.x/Query-Data/Select-Expression.md","localizedDate":"2023年7月25日","autoDesc":true}');export{e as data}; |