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From Edmon Begoli <ebeg...@gmail.com>
Subject Design and Implementation Question - related to DRILL-3738
Date Mon, 14 Sep 2015 14:11:00 GMT
I want to implement a support for Excel files, both .xls and .xlsx, through
Apache POI
which will give me access to Java objects including column names, column
values
and it will expose the set of types supports.

(I recorded this issue here:
https://issues.apache.org/jira/browse/DRILL-3738)

In other words, I will be doing file I/O and column r/w through POI, so I
will need to write an adapter in Drill for storage and read/write.

What is the best way to do this?

Which classes should I extend or interfaces implement in order to support
Excel files in Drill?

I could probably still go with easy storage approach because POI makes it
easy and the data is tabularly oriented just as csv, but with extended
types (ints, floats, numerics).

Please give me some guidance in form of a "you need to implement x,y and z
to make this work".

Thank you in advance,
Edmon

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