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Status On the Backlog
Categories Metadata Catalog Transformations Administration
Created by Sanjay Yadav
Created on Nov 13, 2019

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Easier Decimal datatype mapping in HCATALOG

Currently, we have to map the DECIMAL(x,y) of HDFS DATA TYPE to STRING of HCATALOG DATA TYPE. Everytime value of x & y changes, we have to add a new data type mapping. This is not a feasible way of handling data type mapping between HDFS and HCATALOG.

“Administration > Map Data Types page“

User needs a more easy way where mapping should be defined only once Eg: DECIMAL ---> STRING and it should work for all precision of Decimal i.e. decimal (x,y)

Customer Impact Major inconvenience
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  • Admin
    Matthew Monahan
    Dec 3, 2019

    Request: ability to set a default for DECIMAL(x,y) where there is not already a mapping defined, for example, DECIMAL(6,2), to the specified destination (e.g. STRING)

  • Sanjay Yadav
    Dec 2, 2019

    Hi Mathew, is there a question or clarification for us here ?

    thanks