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https://issues.apache.org/jira/browse/CALCITE-4510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17353746#comment-17353746
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Liya Fan commented on CALCITE-4510:
-----------------------------------
[~zabetak] Thanks a lot for your kind reminder. I will pay attention to this
next time :)
> RexLiteral can produce wrong digest for some user defined types
> ---------------------------------------------------------------
>
> Key: CALCITE-4510
> URL: https://issues.apache.org/jira/browse/CALCITE-4510
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Liya Fan
> Assignee: Liya Fan
> Priority: Minor
> Labels: pull-request-available
> Fix For: 1.27.0
>
> Time Spent: 2h 50m
> Remaining Estimate: 0h
>
> We find weird literals for some user defined non-nullable types. Some
> investigation shows that the problem lies in the {{RexLiteral#toJavaString}}
> method.
> In particular, it checks the type string suffix with an 8-character string:
> {noformat}
> if (!fullTypeString.endsWith("NOT NULL")) {
> {noformat}
> However, it trims the last 9 characters from the end of the string:
> {noformat}
> sb.append(fullTypeString, 0, fullTypeString.length() - 9);
> {noformat}
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