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https://issues.apache.org/jira/browse/CALCITE-6780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17912294#comment-17912294
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Julian Hyde commented on CALCITE-6780:
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The summary implies that TRIM only fails when called from SqlOperatorTest. I
doubt that this is the case. If so, please change the summary.
> Trim function failed in SqlOperatorTest when the expression is TRIM(string)
> ---------------------------------------------------------------------------
>
> Key: CALCITE-6780
> URL: https://issues.apache.org/jira/browse/CALCITE-6780
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.38.0
> Reporter: ZheHu
> Assignee: ZheHu
> Priority: Minor
>
> When running the following test in SqlOperatorTest,
> {code:java}
> f.checkString("trim(' aAa ')", "aAa", "VARCHAR(5) NOT NULL");
> {code}
> it throws "java.lang.StringIndexOutOfBoundsException: begin 8, end 21, length
> 17", which comes from buildQuery2() in AbstractSqlTester.
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