public void implementNext(AggregateCall call, JavaRel rel, Expression accumulator) { OJAggImplementor aggImplementor = implementorTable.get(call.getAggregation()); aggImplementor.implementNext(this, rel, accumulator, call); }
/** Generates the expression to retrieve the result of this aggregation. */ public Expression implementResult(AggregateCall call, Expression accumulator) { OJAggImplementor aggImplementor = implementorTable.get(call.getAggregation()); return aggImplementor.implementResult(this, accumulator, call); }
public Expression implementStartAndNext(AggregateCall call, JavaRel rel) { OJAggImplementor aggImplementor = implementorTable.get(call.getAggregation()); return aggImplementor.implementStartAndNext(this, rel, call); }