#udf

MySQL Error number: MY-010222; Symbol: ER_UDF_INVALID_ROW_IN_FUNCTION_TABLE; SQLSTATE: HY000

文档解释Errornumber:MY-010222;Symbol:ER_UDF_INVALID_ROW_IN_FUNCTION_TABLE;SQLSTATE:HY000Message:Invalidrowinmysql.functableforfunction‘%s’MY-010222̵...

MySQL Error number: MY-014036; Symbol: ER_UDF_EXEC_FAILURE_REASON; SQLSTATE: HY000

文档解释Errornumber:MY-014036;Symbol:ER_UDF_EXEC_FAILURE_REASON;SQLSTATE:HY000Message:ErrorwhileexecutingUDF%s:%s.错误说明MY-014036(ER_UDF_EXEC_FAILURE_REASON)是MySQL的一个...

MySQL Error number: MY-013221; Symbol: ER_GRP_RPL_UDF_UNREGISTER_ERROR; SQLSTATE: HY000

文档解释Errornumber:MY-013221;Symbol:ER_GRP_RPL_UDF_UNREGISTER_ERROR;SQLSTATE:HY000Message:CouldnotuninstallGroupReplicationUDFfunctions.Trytoremovethemmanuallyifpr...

MySQL Error number: MY-013222; Symbol: ER_GRP_RPL_UDF_REGISTER_SERVICE_ERROR; SQLSTATE: HY000

文档解释Errornumber:MY-013222;Symbol:ER_GRP_RPL_UDF_REGISTER_SERVICE_ERROR;SQLSTATE:HY000Message:CouldnotexecutetheinstallationofGroupReplicationUDFfunctions.Checkf...

MySQL Error number: MY-014032; Symbol: ER_UDF_DEREGISTRATION; SQLSTATE: HY000

文档解释Errornumber:MY-014032;Symbol:ER_UDF_DEREGISTRATION;SQLSTATE:HY000Message:Cannotunregisterfunction‘%s’.Pleasecheckifitwasregisteredproperlyinthef...

MySQL Error number: MY-013482; Symbol: ER_AUDIT_LOG_UDF_READ_INVALID_MAX_ARRAY_LENGTH_ARG_TYPE; SQLSTATE: HY000

文档解释Errornumber:MY-013482;Symbol:ER_AUDIT_LOG_UDF_READ_INVALID_MAX_ARRAY_LENGTH_ARG_TYPE;SQLSTATE:HY000Message:Invalid“max_array_length”argumenttype...

MySQL Error number: 4101; Symbol: ER_IF_NOT_EXISTS_UNSUPPORTED_UDF_NATIVE_FCT_NAME_COLLISION; SQLSTATE: HY000

文档解释Errornumber:4101;Symbol:ER_IF_NOT_EXISTS_UNSUPPORTED_UDF_NATIVE_FCT_NAME_COLLISION;SQLSTATE:HY000Message:Thisfunction‘%s’hasthesamenameasanative...
IT技术学习 ·2023-06-17

MySQL Error number: MY-014035; Symbol: ER_UDF_EXEC_FAILURE; SQLSTATE: HY000

文档解释Errornumber:MY-014035;Symbol:ER_UDF_EXEC_FAILURE;SQLSTATE:HY000Message:ErrorwhileexecutingUDF%s.错误说明MySQL的错误代码MY-014035,Symbol为ER_UDF_EXEC_FAILURE,SQLSTATE为...

MySQL Error number: 3936; Symbol: ER_DA_UDF_INVALID_CHARSET; SQLSTATE: HY000

文档解释Errornumber:3936;Symbol:ER_DA_UDF_INVALID_CHARSET;SQLSTATE:HY000Message:Invalidcharacterset‘%s’wasspecified.Itmustbeacharactersetnameassupported...
IT技术学习 ·2023-06-17

Struct复杂数据类型的UDF编写、GenericUDF编写

一、背景介绍:MaxCompute2.0版本升级后,JavaUDF支持的数据类型从原来的BIGINT、STRING、DOUBLE、BOOLEAN扩展了更多基本的数据类型,同时还扩展支持了ARRAY、MAP、STRUCT等复杂类型,以及Writable参数。JavaUDF使用复杂数据类型的方法,STRUCT对应com.a...

hive自定义函数UDF UDTF UDAF

UDF只能实现一进一出的操作。定义udf计算两个数最小值publicclassMinextendsUDF{publicDoubleevaluate(Doublea,Doubleb){if(a==null)a=0.0;if(b==null)b=0.0;if(a>=b){returnb;}else{returna;}...

Hadoop_UDF示例

UDF: 一进一出Eclipse端1.继承UDF2.实现evaluate方法(可重裁实现多个evaluate方法,以实现不同需求)3.导出类jar包,注意指定main方法Hive端1.将jar包添加到Hive:addjarlinux_path#0.14版才开始支持2.创建临时函数:create[tempora...
代码星球 ·2020-12-07

自定义UDF

1、编写udf类packagehive.udf;importorg.apache.hadoop.hive.ql.exec.Description;importorg.apache.hadoop.hive.ql.exec.UDF;/***UDF的说明文档*name是UDF的名称*value是descfunctionxx输...
代码星球 ·2020-09-20

Pig UDF 用户自定义函数

注册UDFdo.pig的内容如下:register/xx/yy.jardata=load'data';result=foreachdatagenerateaa.bb.Upper($0);dumpresult;   register的路径可以是本地路径,也可以是hdfs路径registerhdfs://pig/...
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