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https://issues.apache.org/jira/browse/CALCITE-3065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16854165#comment-16854165
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Jiatao Tao edited comment on CALCITE-3065 at 6/3/19 2:52 AM:
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Hi
[~julianhyde] truly thanks for your explanation.
Seems the name "getJavaClass" is a little confusing, it only does a little
thing, not a universal API.
And in my opinion, an API that can get class from "RelDataType" is useful, so
that I can easily get the true value from RexLiteral though getValueAs.
And seems that the value that "RexLiteral.getValueAs" returns are all nullable,
it may diff from its ori type.
was (Author: aron.tao):
Hi
[~julianhyde] truly thanks for your explanation.
Seems the name "getJavaClass" is a little confusing, it only does a little
thing, not a universal API.
And seems that the value that "RexLiteral.getValueAs" returns are all
nullable(although we can get this from SqlType).
> RexLiteral#getValueAs should consider primitive type
> ----------------------------------------------------
>
> Key: CALCITE-3065
> URL: https://issues.apache.org/jira/browse/CALCITE-3065
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Reporter: Jiatao Tao
> Priority: Major
> Labels: pull-request-available
> Attachments: image-2019-05-13-12-04-36-365.png,
> image-2019-05-17-08-23-52-735.png, image-2019-06-02-08-15-35-460.png,
> image-2019-06-02-08-43-51-646.png
>
> Time Spent: 50m
> Remaining Estimate: 0h
>
> !image-2019-05-13-12-04-36-365.png!
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