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Posted to issues@calcite.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2019/02/18 08:26:00 UTC
[jira] [Updated] (CALCITE-2852) Simplification: traverse
calculations and unknown UDFs
[ https://issues.apache.org/jira/browse/CALCITE-2852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Zoltan Haindrich updated CALCITE-2852:
--------------------------------------
Summary: Simplification: traverse calculations and unknown UDFs (was: Simplification: enable traversal of unknown UDFs)
> Simplification: traverse calculations and unknown UDFs
> ------------------------------------------------------
>
> 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
>
> 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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