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https://issues.apache.org/jira/browse/CALCITE-6248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17817545#comment-17817545
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Mihai Budiu commented on CALCITE-6248:
--------------------------------------

The validation code is in Avatica, so the tests are there.
But it looks like the validation code that is applied to literals should not be 
applied the strings that appear in casts.

> Illegal dates are accepted by casts
> -----------------------------------
>
>                 Key: CALCITE-6248
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6248
>             Project: Calcite
>          Issue Type: Bug
>          Components: avatica, core
>    Affects Versions: 1.36.0
>            Reporter: Mihai Budiu
>            Priority: Minor
>              Labels: pull-request-available
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The following test passes in SqlOperatorTest:
> {code:java}
>   @Test public void testIllegalDate() {
>     final SqlOperatorFixture f = fixture();
>     f.checkScalar("cast('1945-02-32' as DATE)",
>         "1945-03-04", "DATE NOT NULL");
>   }
> {code}
> There is no February 32, I suspect that this expression should produce an 
> error.



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