/**
* Check if this result set contains the given row.
*
* @param values the row
* @return true if the row exists
*/
public boolean containsDistinct(Value[] values) {
if (distinctRows == null) {
distinctRows = ValueHashMap.newInstance();
for (Value[] row : rows) {
ValueArray array = getArrayOfVisible(row);
distinctRows.put(array, array.getList());
}
}
ValueArray array = ValueArray.get(values);
return distinctRows.get(array) != null;
}
private ValueArray getArrayOfVisible(Value[] values) {
if (values.length > visibleColumnCount) {
Value[] v2 = new Value[visibleColumnCount];
System.arraycopy(values, 0, v2, 0, visibleColumnCount);
values = v2;
}
return ValueArray.get(values);
}
/**
* Remove the row from the result set if it exists.
*
* @param values the row
*/
public void removeDistinct(Value[] values) {
if (!distinct) {
DbException.throwInternalError();
}
ValueArray array = ValueArray.get(values);
distinctRows.remove(array);
rowCount = distinctRows.size();
}