Returns distinct ordered positions. @param value positions @return sorted positions @throws QueryException query exception
(final Value value)
| 135 | * @throws QueryException query exception |
| 136 | */ |
| 137 | public static Value ddo(final Value value) throws QueryException { |
| 138 | if(value instanceof RangeSeq) return value; |
| 139 | boolean small = true; |
| 140 | final LongList list = new LongList(); |
| 141 | for(final Item item : value) { |
| 142 | final double d = item.dbl(null); |
| 143 | final long l = (long) d; |
| 144 | if(l > 0 && d == l) { |
| 145 | list.add(l); |
| 146 | small = small && l == (int) l; |
| 147 | } |
| 148 | } |
| 149 | list.ddo(); |
| 150 | |
| 151 | if(small) { |
| 152 | final IntList il = new IntList(list.size()); |
| 153 | for(final long l : list.finish()) il.add((int) l); |
| 154 | return IntSeq.get(il.finish()); |
| 155 | } |
| 156 | final ItemList il = new ItemList(list.size()); |
| 157 | for(final long l : list.finish()) il.add(Itr.get(l)); |
| 158 | return il.value(); |
| 159 | } |
| 160 | |
| 161 | @Override |
| 162 | public Expr optimize(final CompileContext cc) throws QueryException { |