WebOct 30, 2024 · The lateral views are used along with EXPLODE or INLINE functions. Both functions work on the complex data types such as array. Explode function in the lateral view can contain embedded functions … WebJan 21, 2024 · with your_table as ( select '1' Col1, 'A,B,C' Col2, '123' Col3, '789' Col4 ) output is. Note - this particular approach requires all columns (Col1 - Col4) to be of the same type. If this is not a case you will need first apply cast …
Explode and Lateral view function in Hive - YouTube
Lateral view clause is used in conjunction with user-defined table generating functions(UDTF) such as explode().A UDTF generates zero or more output rows for each input row. A lateral view first applies the UDTF to each row of base and then joins results output rows to the input rows to form a virtual table … See more The column alias can be omitted. In this case, aliases are inherited from fields name of StructObjectInspector which is returned from UDTF. See more Assuming you have one table: And the table contains two rows: Now, you can use LATERAL VIEW to convert the column addid_listinto separate rows: Also, if you have one table: You … See more Web其实 spark SQL 3.3.2可以用lateral view 实现一次explode多个字段: ... (300, 'Mike', 80, 3, 'Street 3'), (400, 'Dan', 50, 4, 'Street 4'); SELECT * FROM person LATERAL VIEW EXPLODE(ARRAY(30, 60)) tableName AS c_age LATERAL VIEW EXPLODE(ARRAY(40, 80)) AS d_age; ... graco 4ever 4 in 1 car seat matrix
flink sql lateral view explode-掘金 - 稀土掘金
WebYou can split a row in Hive table into multiple rows using lateral view explode function. The one thing that needs to be present is a delimiter using which we can split the values. Lets dive straight into how to implement it. split row on single delimiter In most cases all the values in the column are split using a single delimiter. WebFlink Table API & SQL provides users with a set of built-in functions for data transformations. This page gives a brief overview of them. If a function that you need is … WebOct 18, 2024 · Flink 的 Table API 和 SQL 提供了多种自定义函数的接口,以抽象类的形式定义。 ... 在 Hive 的 SQL 语法中,提供了“侧向视图”(lateral view,也叫横向视图)的功能,可以将表中的一行数据拆分成多行;Flink SQL 也有类似的功能,是用 LATERAL TABLE 语法来实现的。 ... chill tech pillows