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https://issues.apache.org/jira/browse/CALCITE-6578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Yu Xu resolved CALCITE-6578.
----------------------------
Fix Version/s: 1.43.0
Resolution: Fixed
Fixed in
[https://github.com/apache/calcite/commit/3ed656c7c257e397980b511c573a69c5d7fdc082]
Thank you reported this issue [~nobigo]
Thank you for the review [~mbudiu]
> RelToSql throws exception when unparse TIMESTAMPDIFF function
> -------------------------------------------------------------
>
> Key: CALCITE-6578
> URL: https://issues.apache.org/jira/browse/CALCITE-6578
> Project: Calcite
> Issue Type: Improvement
> Reporter: xiong duan
> Assignee: Yu Xu
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.43.0
>
>
> Unit test in RelToSqlConverterTest:
> {code:java}
> @Test void testTimestampdiff() {
> String query = "select TIMESTAMPDIFF(day,date '2029-05-06',date
> '2029-05-07')";
> String expected = "";
> sql(query).ok(expected);
> }{code}
> The RelNode is:
> {code:java}
> LogicalProject(EXPR$0=[CAST(/INT(Reinterpret(-(2029-05-07, 2029-05-06)),
> 86400000)):INTEGER NOT NULL])
> LogicalValues(tuples=[[{ 0 }]]){code}
> Exception:
> {code:java}
> class org.apache.calcite.sql.SqlSyntax$7: SPECIAL
> java.lang.UnsupportedOperationException: class
> org.apache.calcite.sql.SqlSyntax$7: SPECIAL{code}
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