How to Define nested Collection items in Hive

Question

I am trying to create a hive table with nested Collection items. Suppose I have an array of struct.

    CREATE TABLE SAMPLE(
    record array

        

Answer 1

Try something like this:

CREATE TABLE SAMPLE(
id BIGINT,
record array<struct<col1:string,col2:string>>
)row format delimited
fields terminated by ','
collection items terminated by '|'
map keys terminated by ':';

Now you data in text file will look like this:

1345653,110909316904:1341894546|221065796761:1341887508

You can then query it like :

select record.col1 from SAMPLE;