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https://issues.apache.org/jira/browse/CALCITE-1884?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16341875#comment-16341875
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Haohui Mai commented on CALCITE-1884:
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Definitely. What kinds of unit tests do you expect?
> DateTimeUtils produces incorrect results for days before Gregorian cutovers
> ---------------------------------------------------------------------------
>
> Key: CALCITE-1884
> URL: https://issues.apache.org/jira/browse/CALCITE-1884
> Project: Calcite
> Issue Type: Bug
> Components: avatica
> Affects Versions: 1.13.0
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Priority: Major
>
> dateStringToUnixDate() / unixDateToString() do not return consistent result.
> The following test fails:
> {noformat}
> @Test public void testUnixDate() {
> int days = DateTimeUtils.dateStringToUnixDate("1500-04-30");
> assertEquals("1500-04-30", DateTimeUtils.unixDateToString(days));
> }
> {noformat}
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