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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/08/13 15:07:00 UTC
[jira] [Updated] (CALCITE-6578) RelToSql throws exception when unparse TIMESTAMPDIFF function
[ https://issues.apache.org/jira/browse/CALCITE-6578?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-6578:
------------------------------------
Labels: pull-request-available (was: )
> 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
> Priority: Major
> Labels: pull-request-available
>
> 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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