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Posted to jira@arrow.apache.org by "Kanstantsin Ilchanka (Jira)" <ji...@apache.org> on 2021/10/29 10:29:00 UTC

[jira] [Created] (ARROW-14518) [Ruby] ArrayBuilder doesn't work correctly with Decimal

Kanstantsin Ilchanka created ARROW-14518:
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             Summary: [Ruby] ArrayBuilder doesn't work correctly with Decimal
                 Key: ARROW-14518
                 URL: https://issues.apache.org/jira/browse/ARROW-14518
             Project: Apache Arrow
          Issue Type: Bug
          Components: Ruby
            Reporter: Kanstantsin Ilchanka


When trying to convert raw data with decimal values to Arrow::Table error received

 
{code:java}
Arrow::Table.new(x: [BigDecimal('1.1')])
ArgumentError: wrong arguments: Arrow::Decimal128ArrayBuilder#initialize(): available signatures: (data_type: interface(Arrow::Decimal128DataType(GArrowDecimal128DataType)))
{code}
I guess this is because Decimal128ArrayBuilder expects Decimal128DataType in initialiser, however I'm not sure how to correctly and effectively detect precision and scale from array of BigDecimal

 
{code:java}
Arrow::VERSION
=> "5.0.0"{code}



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