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https://issues.apache.org/jira/browse/CALCITE-2852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jesus Camacho Rodriguez updated CALCITE-2852:
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Summary: RexNode simplification does not traverse unknown functions (was:
RexNode simplification does not traverse calculations and other unknown UDFs)
> RexNode simplification does not traverse unknown functions
> ----------------------------------------------------------
>
> Key: CALCITE-2852
> URL: https://issues.apache.org/jira/browse/CALCITE-2852
> Project: Calcite
> Issue Type: Improvement
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Currently simplification concentrates on basic constructs (and/or/=/...), but
> if it encounters an UDF which is not known; the recursion is stopped.
> For example the following expression is not simplified:
> {code:java}
> @Test public void testSimplifyRecurseIntoArithmetics() {
> checkSimplify(
> plus(literal(1),
> case_(
> falseLiteral, literal(1),
> trueLiteral, literal(2),
> literal(3))),
> "+(1, 2)");
> }
> {code}
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