}
if (globalDopChange1) {
c1.adjustGlobalPropertiesForFullParallelismChange();
} else if (localDopChange1) {
c1.adjustGlobalPropertiesForLocalParallelismChange();
}
}
// create a candidate channel for the first input. mark it cached, if the connection says so
Channel c2 = new Channel(child2, this.input2.getMaterializationMode());