Java SeqType.mayBeZero Examples

Example #1

File: GroupBy.java Project: LeoWoerteler/basex

 @Override
 public GroupBy optimize(final QueryContext qc, final VarScope scp) throws QueryException {
   final int pl = preExpr.length;
   for (int p = 0; p < pl; p++) {
     final SeqType it = preExpr[p].seqType();
     post[p].refineType(it.withOcc(it.mayBeZero() ? Occ.ZERO_MORE : Occ.ONE_MORE), qc);
   }
   return this;
 }