caps.setCapabilitySupport(Capability.CRITERIA_COMPARE_EQ, true);
caps.setFunctionSupport("convert", true); //$NON-NLS-1$
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
// Add join capability to pm1
QueryMetadataInterface metadata = FakeMetadataFactory.exampleBQTCached();
ProcessorPlan plan = helpPlan(
"SELECT intkey from bqt1.smalla WHERE stringkey = convert(objectvalue, string)", //$NON-NLS-1$
metadata,
null, capFinder,