| const e=JSON.parse('{"key":"v-27a29162","path":"/zh/UserGuide/V1.0.x/Operators-Functions/User-Defined-Function.html","title":"用户自定义函数","lang":"zh-CN","frontmatter":{"description":"UDF（User Defined Function）即用户自定义函数。IoTDB 提供多种内建函数来满足您的计算需求，同时您还可以通过创建自定义函数来满足更多的计算需求。 根据此文档，您将会很快学会 UDF 的编写、注册、使用等操作。 UDF 类型 IoTDB 支持两种类型的 UDF 函数，如下表所示。 UDF 分类 描述 --------------...","head":[["link",{"rel":"alternate","hreflang":"en-us","href":"https://iotdb.apache.org/UserGuide/V1.0.x/Operators-Functions/User-Defined-Function.html"}],["meta",{"property":"og:url","content":"https://iotdb.apache.org/zh/UserGuide/V1.0.x/Operators-Functions/User-Defined-Function.html"}],["meta",{"property":"og:site_name","content":"IoTDB Website"}],["meta",{"property":"og:title","content":"用户自定义函数"}],["meta",{"property":"og:description","content":"UDF（User Defined Function）即用户自定义函数。IoTDB 提供多种内建函数来满足您的计算需求，同时您还可以通过创建自定义函数来满足更多的计算需求。 根据此文档，您将会很快学会 UDF 的编写、注册、使用等操作。 UDF 类型 IoTDB 支持两种类型的 UDF 函数，如下表所示。 UDF 分类 描述 --------------..."}],["meta",{"property":"og:type","content":"article"}],["meta",{"property":"og:locale","content":"zh-CN"}],["meta",{"property":"og:locale:alternate","content":"en-US"}],["script",{"type":"application/ld+json"},"{\\"@context\\":\\"https://schema.org\\",\\"@type\\":\\"Article\\",\\"headline\\":\\"用户自定义函数\\",\\"image\\":[\\"\\"],\\"dateModified\\":null,\\"author\\":[]}"]]},"headers":[{"level":2,"title":"UDF 类型","slug":"udf-类型","link":"#udf-类型","children":[]},{"level":2,"title":"UDF 依赖","slug":"udf-依赖","link":"#udf-依赖","children":[]},{"level":2,"title":"UDTF（User Defined Timeseries Generating Function）","slug":"udtf-user-defined-timeseries-generating-function","link":"#udtf-user-defined-timeseries-generating-function","children":[]},{"level":2,"title":"完整 Maven 项目示例","slug":"完整-maven-项目示例","link":"#完整-maven-项目示例","children":[]},{"level":2,"title":"UDF 注册","slug":"udf-注册","link":"#udf-注册","children":[{"level":3,"title":"示例：注册名为example的 UDF，以下两种注册方式任选其一即可","slug":"示例-注册名为example的-udf-以下两种注册方式任选其一即可","link":"#示例-注册名为example的-udf-以下两种注册方式任选其一即可","children":[]},{"level":3,"title":"注意","slug":"注意","link":"#注意","children":[]}]},{"level":2,"title":"UDF 卸载","slug":"udf-卸载","link":"#udf-卸载","children":[]},{"level":2,"title":"UDF 查询","slug":"udf-查询","link":"#udf-查询","children":[{"level":3,"title":"支持的基础 SQL 语法","slug":"支持的基础-sql-语法","link":"#支持的基础-sql-语法","children":[]},{"level":3,"title":"带 * 查询","slug":"带-查询","link":"#带-查询","children":[]},{"level":3,"title":"带自定义输入参数的查询","slug":"带自定义输入参数的查询","link":"#带自定义输入参数的查询","children":[]},{"level":3,"title":"与其他查询的嵌套查询","slug":"与其他查询的嵌套查询","link":"#与其他查询的嵌套查询","children":[]}]},{"level":2,"title":"查看所有注册的 UDF","slug":"查看所有注册的-udf","link":"#查看所有注册的-udf","children":[]},{"level":2,"title":"用户权限管理","slug":"用户权限管理","link":"#用户权限管理","children":[]},{"level":2,"title":"配置项","slug":"配置项","link":"#配置项","children":[]},{"level":2,"title":"贡献 UDF","slug":"贡献-udf","link":"#贡献-udf","children":[{"level":3,"title":"前提条件","slug":"前提条件","link":"#前提条件","children":[]},{"level":3,"title":"贡献清单","slug":"贡献清单","link":"#贡献清单","children":[]},{"level":3,"title":"提交 PR","slug":"提交-pr","link":"#提交-pr","children":[]}]},{"level":2,"title":"已知的 UDF 库实现","slug":"已知的-udf-库实现","link":"#已知的-udf-库实现","children":[]},{"level":2,"title":"Q&A","slug":"q-a","link":"#q-a","children":[]}],"git":{"createdTime":null,"updatedTime":null,"contributors":[]},"readingTime":{"minutes":20.26,"words":6078},"filePathRelative":"zh/UserGuide/V1.0.x/Operators-Functions/User-Defined-Function.md","autoDesc":true}');export{e as data}; |