Hi all,

While playing with BigQueryIO I noticed something. 

When we create a TableRow (e.g. in a row function in bigQueryIO) using new 
TableRow().set(), for ex a long gets boxed
into a Long. But when it is encoded using TableRowJsonCoder and then re-read it 
might be decoded as an Integer if the
value fits into Integer. It causes failure in asserts in tests like write then 
read. 
What I did for now is to downcast long to int to force it to be boxed into an 
Integer (because test value fits into
Integer) at TableRow creation.

Is there a way to fix it in TableRowJsonCoder or a better workaround?

Etienne

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