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Mar 31st, 2015
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Java 0.54 KB | None | 0 0
  1. public boolean next() throws DeadlockException, DatabaseException {
  2.         if (numTuples == 0) {
  3.             if (!tableIter[0].first())
  4.                 return false;
  5.         } else {
  6.             for(TableIterator tableIterator : tableIter) {
  7.                 if (!tableIterator.next()) {
  8.                     if (!tableIterator.first())
  9.                         return false;
  10.                     if (!tableIterator.next())
  11.                         return false;
  12.                 }
  13.                 return false;
  14.             }
  15.         }
  16.     }
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