namespace = bb.scope.resolve(identifier.names.get(0), null, null); RexNode e = bb.lookupExp(identifier.names.get(0)); final String correlationName; if (e instanceof RexCorrelVariable) {
namespace = bb.scope.resolve(identifier.names.get(0), null, null); RexNode e = bb.lookupExp(identifier.names.get(0)); final String correlationName; if (e instanceof RexCorrelVariable) {
namespace = bb.scope.resolve(identifier.names[0], null, null); RexNode e = bb.lookupExp(identifier.names[0]); final String correlationName; if (e instanceof RexCorrelVariable) {