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https://issues.apache.org/jira/browse/ARROW-1361?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bryan Cutler updated ARROW-1361:
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Priority: Minor (was: Major)
> [Java] Add accessors to get type parameters from vector classes
> ---------------------------------------------------------------
>
> Key: ARROW-1361
> URL: https://issues.apache.org/jira/browse/ARROW-1361
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Java - Vectors
> Reporter: Bryan Cutler
> Priority: Minor
> Labels: starter
>
> Vector classes contain private copies of each param in the {{ArrowType}}, but
> does not have any public api to access them. So if given a vector you would
> have to get the {{Field}} from the and cast to the correct type. For
> example, with a {{TimeStampMicroTZVector}} and trying to get the timezone:
> {noformat}
> if field.getType.isInstanceOf[ArrowType.Timestamp] &&
> field.getType.asInstanceOf[ArrowType.Timestamp].getTimezone
> {noformat}
> It would be more convenient to have direct accessors for these type params
> for the vector types that have parameters:
> * DecimalVector
> * FixedSizeBinaryVector
> * ListVector
> * TimeStamps with timezones
> * FixedSizedListVector
> * Unions
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