[英]How to concat columns with 2 delimiters in hive
How to concat columns with 2 delimiters in hive. 如何在配置单元中用2个定界符连接列。 Please find below the input columns. 请在输入栏下方找到。
column1 column2 column3 column4 column5 column6 column7 column8
1 abc dfe ghi jkl mno pqr 1
2 abc dfe ghi jkl mno pqr 1
Required output concatenated string grouped by colum8 ie, value 1. 必需的输出串联字符串,按colum8分组,即值1。
1:abc:dfe:ghi:jkl-mno:pqr,2:abc:dfe:ghi:jkl-mno:pqr
can someone help me. 有人能帮我吗。
Can you try this? 你可以试试这个吗?
First, create new columns concatenating each columns for every row then collect the concantenated columns (using collect_list) into one column by grouping them based on column8 then concatenate it (using concat_ws): 首先,创建新的列,将每一行的每一列连接在一起,然后通过基于column8将它们合并成一列,然后将其合并在一起(使用concat_ws):
select concat_ws(',',
collect_list(concat(column1, ':', column2, ':', column3, ':', column4,':', column5, '-', column6, ':', column7
)
)
) as output
from your_table
group by column8;
I would write this as: 我可以这样写:
select concat_ws(',',
collect_list(concat_ws(':', column1, column2, column3, column4, column5 || '-' || column6, column7)
)
) as output
from your_table
group by column8;
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