ut map to table.
>
> CREATE TABLE `a_parquet`(
> parameters map
> )
>
> insert into a_parquet select UDF(parameters ) from a_text;
>
> So do you have any suggestions?
>
>
>
>
>
>
> -- 原始邮件 --
> *发件人:* "Ted Y
ers
-- --
??: "??";<251922...@qq.com>;
: 2016??5??16??(??) 10:00
??: "Ted Yu";
: "user";
????: ?? spark udf can not change a json string to a map
this is my usecase:
Another system upload csv files to my syste
uggestions?
-- --
??: "Ted Yu";;
: 2016??5??16??(??) 0:44
??: "??"<251922...@qq.com>;
????: "user";
????: Re: spark udf can not change a json string to a map
Can you let us know more about your use case ?
I wonder if you can structur
Can you let us know more about your use case ?
I wonder if you can structure your udf by not returning Map.
Cheers
On Sun, May 15, 2016 at 9:18 AM, 喜之郎 <251922...@qq.com> wrote:
> Hi, all. I want to implement a udf which is used to change a json string
> to a map.
> But some problem occurs. My
Hi, all. I want to implement a udf which is used to change a json string to a
map.
But some problem occurs. My spark version:1.5.1.
my udf code:
public Map evaluate(final String s) {
if (s == null)
return null;
