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https://issues.apache.org/jira/browse/ARROW-3676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16787247#comment-16787247
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Anson Qian edited comment on ARROW-3676 at 3/7/19 10:03 PM:
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I did some research, adding support for decimal128 (or float16) isn't trivial.

There are [proposalshttps://github.com/golang/go/issues/12332] to add to golang 
as standard library but got rejected.

I checked existing [vendor solutions|https://godoc.org/?q=decimal], and [this 
one|https://github.com/shopspring/decimal] seems to be widely adopted and 
production proven.

If we are willing to take a dependency, I can explore more.

@Sebastien Binet what do you think?


was (Author: anson627):
I did some research, adding support for decimal128 (or float16) isn't trivial.

There are proposals t[o add to golang 
bu|https://github.com/golang/go/issues/12332]t got rejected.

I checked existing [vendor solutions|https://godoc.org/?q=decimal], and [this 
one|https://github.com/shopspring/decimal] seems to be widely adopted and 
production proven.

If we are willing to take a dependency, I can explore more.

@Sebastien Binet what do you think?

> [Go] implement Decimal128 array
> -------------------------------
>
>                 Key: ARROW-3676
>                 URL: https://issues.apache.org/jira/browse/ARROW-3676
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Go
>            Reporter: Sebastien Binet
>            Assignee: Anson Qian
>            Priority: Major
>




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