Vladimir Steshin created IGNITE-24350:
-----------------------------------------
Summary: 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
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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