tkobayas opened a new issue, #6228:
URL: https://github.com/apache/incubator-kie-drools/issues/6228
When a constraint is like `age >= 0 && age < 20`, executable-model doesn't
split the constraint into two constraints, so it doesn't enable range index. It
only affects the performance (it's enabled when more than 9 alpha nodes for the
same field by default), not the rule behaviour.
`age >= 0, age < 20` doesn't have this issue.
AlphaNodeRangeIndexingTest
```java
public void testSurroundingRange(KieBaseTestConfiguration
kieBaseTestConfiguration) {
final String drl =
"package org.drools.compiler.test\n" +
"import " + Person.class.getCanonicalName() +
"\n" +
"rule test1\n when\n" +
" Person( age >= 0 && age < 20 )\n" +
"then\n end\n" +
"rule test2\n when\n" +
" Person( age >= 20 && age < 40 )\n" +
"then\n end\n" +
"rule test3\n when\n" +
" Person( age >= 40 && age < 60 )\n" +
"then\n end\n";
final KieBase kbase =
createKieBaseWithRangeIndexThresholdValue(kieBaseTestConfiguration, drl, 3);
final KieSession ksession = kbase.newKieSession();
assertSinks(kieBaseTestConfiguration, kbase, Person.class, 3, 3, 0,
3);
ksession.insert(new Person("John", 18));
int fired = ksession.fireAllRules();
assertThat(fired).isEqualTo(1);
ksession.insert(new Person("Paul", 60));
fired = ksession.fireAllRules();
assertThat(fired).isEqualTo(0);
}
```
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