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https://issues.apache.org/jira/browse/CALCITE-4555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17722263#comment-17722263
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Sergey Nuyanzin commented on CALCITE-4555:
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not sure whether there exists a SQL query to reproduce it (at least was not
able to find such one)
The issue was detected in Flink code where time attributes on one of the window
sides are reduced to zero and
{{org.apache.calcite.rex.RexBuilder#makeZeroLiteral}} is called explicitly for
that
> Invalid zero literal value is used for TIMESTAMP WITH LOCAL TIME ZONE type in
> RexBuilder
> ----------------------------------------------------------------------------------------
>
> Key: CALCITE-4555
> URL: https://issues.apache.org/jira/browse/CALCITE-4555
> Project: Calcite
> Issue Type: Bug
> Reporter: Leonard Xu
> Priority: Major
>
> The zero literal value for TIMESTAMP WITH LOCAL TIME ZONE type is used in
> `org.apache.calcite.rex.RexBuilder`
> {code:java}
> case TIMESTAMP_WITH_LOCAL_TIME_ZONE:
> return new TimestampString(0, 0, 0, 0, 0, 0);
> //TimestampString(int year, int month, int day, int h, int m, int s)
> {code}
> the month and day should never be zero, I think the zero value should be
> '1970-01-01 00:00:00'(epoch 0 second).
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