Is there a data type for time format hh:mm:ss in Hive

 
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I am processing the files that contains the call details of different users. In the data file, there is a field call_duration which contains the value in the format hh:mm:ss. eg: 00:49:39, 00:20:00 etc

I would like to calculate the the total call duration of each user per month.

I do not see a data type in hive which can stock the time format in hh:mm:ss. ( Currently I have this data as string in my staging table).

I am thinking of writing a UDF which converts the time into seconds, so that i can do a sum(call_duration) grouping by user.

Did any one face a similar situation? Should I go with writing a UDF for is there a better approach?

Thanks a lot in advance

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