Hive udf分词-阿里云

[帮助文档] 如何在MaxCompute兼容的Hive版本上开发HiveUDF

本文以在MaxCompute客户端操作为例，为您介绍如何使用在MaxCompute兼容的Hive版本上开发的Hive UDF。

Hive基于UDF进行文本分词

UDF 简介Hive作为一个sql查询引擎，自带了一些基本的函数，比如count(计数)，sum(求和)，有时候这些基本函数满足不了我们的需求，这时候就要写hive hdf(user defined funation)，又叫用户自定义函数。编写Hive UDF的步骤：添加相关依赖，创建...

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Hive通过自定义UDF函数实现分词

一、所需依赖 <dependency> <groupId>org.apache.hive</groupId> <artifactId>hive-exec</artifactId> <version>1.1.0</versi...

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开源大数据平台 E-MapReduce

开源大数据平台 E-MapReduce（简称“EMR”）是云原生开源大数据平台，向客户提供简单易集成的Hadoop、Hive、Spark、Flink、Presto、ClickHouse、StarRocks、Delta、Hudi等开源大数据计算和存储引擎服务。

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立即开通

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优惠活动

StarRocks 免费试用

产品入门

快速入门指导

常见问题

最佳实践

EMR实时计算实践