salary int, dept string ) row format delimited fields terminated by ','; load data local inpath '/root/hivedata/employee.txt' into table employee; select * from employee; 0: jdbc:hive2://server4:10000> select * from employee; +---+---+---+---+---+ | employee.id | employee.n...
(1,2)), explode_outer(array(3,4)); 1 3 1 4 2 3 2 4 >SELECT*FROMexplode_outer(cast(NULLASarray<int>)); NULL-- Using lateral correlation in Databricks 12.2 and above>SELECT*FROMexplode_outer(array(1,2))ASt,LATERALexplode_outer(array(3* t.col,4* t.col)); 1 3 1 4 2 6 2...
然后出现异常FAILED: SemanticException [Error 10081]: UDTF's are not supported outside the SELECT clause, nor nested in expressions UDTF explode不能写在别的函数内 如果你这么写,想查两个字段,select explode(split(area,',')) as area,good_id from explode_lateral_view; 会报错FAILED: SemanticExceptio...
Hive 炸裂函数 explode(map<string,string>) 宽表转高表SQL: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 select slice_id, user_id, shop_id, 'user_stats_public' as table_code, explode(kv) as (field_code,field_value) from ( select user_id, -1 as shop_id, abs(hash(user_id) %...
import org.apache.spark.sql.types.DataTypes; import org.apache.spark.sql.types.StructField; import org.apache.spark.sql.types.StructType; import scala.Tuple2; import java.sql.Connection; import java.sql.DriverManager; import java.sql.SQLException; ...
首先,确保已经安装了Laravel框架并创建了一个新的Laravel项目。 打开你的代码编辑器,进入到你的Laravel项目目录中。 在需要使用explode函数的地方,首先引入PHP的命名空间。在文件的顶部添加以下代码: 代码语言:php 复制 use Illuminate\Support\Str; 现在你可以在你的代码中使用explode函数了。explode函数用于将一个字符...
//explode()转换成数组,in_array(),判断一个字符串是否存在于一个数组中, //打开平常页面的处理 //1.读取当前的登录账号 $userid = $_COOKIE["admin_userid"]; //2.按当前登陆账号,获取权限列表 $sql = "SELECT `admin_group`.`private`
创建一张表test_explode,表结构如下 表数据如下: 1.使用explode函数 但是只使用explode函数很难满足实际需求,原因如下: 1.1 No other expressions are allowed in SELECT 1.2 UDTF's can't be n
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一:explode使用 1.1解释hivewiki对于expolde的解释如下:explode()takesinanarray(oramap)asaninputandoutputstheelementsofthearray(map)asseparaterows.UDTFscanbeusedintheSELECTexpression hive:explode() 与 lateral view 一、解决如下问题 如何由上面的宽表变成下面的窄表? 二、explode()explode()takesinanarray(orama...