caps.setCapabilitySupport(Capability.QUERY_FROM_GROUP_ALIAS, true);
caps.setCapabilitySupport(Capability.QUERY_ORDERBY, true);
caps.setFunctionSupport("concat", true); //$NON-NLS-1$
capFinder.addCapabilities("BQT1", caps); //$NON-NLS-1$
QueryMetadataInterface metadata = FakeMetadataFactory.exampleBQTCached();
String sql = "SELECT CONCAT(bqt1.smalla.stringKey, bqt1.smalla.stringNum) as EXPR, bqt1.smalla.stringKey as EXPR_1 FROM bqt1.smalla ORDER BY EXPR, EXPR_1"; //$NON-NLS-1$
ProcessorPlan plan = helpPlan(sql,
metadata,