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https://issues.apache.org/jira/browse/ARROW-18086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17619484#comment-17619484
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Atte Keinänen edited comment on ARROW-18086 at 10/18/22 12:24 PM:
------------------------------------------------------------------
Seems like float16 doesn't exist for Red Arrow. Half precision float is missing
from data type list:
{code:java}
Arrow.constants.filter{|c| c.to_s.end_with?('DataType')}{code}
was (Author: JIRAUSER297078):
Seems like float16 doesn't exist for Red Arrow. It is missing from data type
list:
```
Arrow.constants.filter\{|c| c.to_s.end_with?('DataType')}
```
> In Red Arrow, importing table containing float16 array throws error
> -------------------------------------------------------------------
>
> Key: ARROW-18086
> URL: https://issues.apache.org/jira/browse/ARROW-18086
> Project: Apache Arrow
> Issue Type: Bug
> Components: Ruby
> Affects Versions: 9.0.0
> Reporter: Atte Keinänen
> Assignee: Kouhei Sutou
> Priority: Minor
>
> In Red Arrow, loading table containing float16 array leads to this error when
> using IPC streaming format:
> {code:java}
> > Arrow::Table.load(Arrow::Buffer.new(resp.body), format: :arrow_streaming)
> cannot create instance of abstract (non-instantiatable) type 'GArrowDataType'
> from
> /usr/local/bundle/gems/gobject-introspection-4.0.3/lib/gobject-introspection/loader.rb:688:in
> `invoke' from
> /usr/local/bundle/gems/gobject-introspection-4.0.3/lib/gobject-introspection/loader.rb:559:in
> `get_field'{code}
> At least using float64 list array this does not happen.
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