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https://issues.apache.org/jira/browse/IGNITE-24350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Steshin updated IGNITE-24350:
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Labels: calcite ignite-2 ise (was: )
> Calcite. Absense of error on same-signature UDF registration.
> -------------------------------------------------------------
>
> Key: IGNITE-24350
> URL: https://issues.apache.org/jira/browse/IGNITE-24350
> Project: Ignite
> Issue Type: Bug
> Reporter: Vladimir Steshin
> Priority: Minor
> Labels: calcite, ignite-2, ise
>
> We should produce an error if user registers user-defined SQL function with
> duplicated signature. Currently it is possible to add several functions with
> the same name and parameters via _CacheConfiguration#setSqlFunctionClasses()_
> Example:
> {code:java}
> public static class UDF {
> @QuerySqlFunction
> public static String fun(int v) {
> return "echo_" + v;
> }
> @QuerySqlFunction(alias = "fun")
> public static int fun2(int v) {
> return v;
> }
>
> // No error or log message here.
> ignite.getOrCreateCache(new CacheConfiguration<Integer,
> Integer>("testCache")
> .setSqlFunctionClasses(UDF.class));
> // Fails. A string is returned.
> assertQuery("SELECT \"testCache\".fun(1)").returns(1).check();
> }
> {code}
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