Re: Index file cache will not work when the table has invalid segment.

Posted by Liang Chen on Jul 12, 2018; 7:22am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/Index-file-cache-will-not-work-when-the-table-has-invalid-segment-tp55379p55598.html

Hi

Currently, CarbonData doesn't support map data type

Regards
Liang


carbondata-newuser wrote

> Carbon version is 1.4 rc2.
> create table(
> col1 string,
> col2 int,
> col2 string,
> date string
> )
>
> *First step:*
> insert into table carbonTest select col1,col2,col3,"20180707" from
> hiveTable2 where date="20180707";
> The col3 is a hive map type, so this insert will be failed.
> And it will create invalid segment. (I'm not sure it is because of this).
> *second step:*
> insert into carbonTest select col1,col2,"","20180707" from hiveTable2;
>
> Then any query to this table will access the index files time and time
> again.
>
>
>
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