hyracks/hyracks-storage-am-btree/src/main/java/org/apache/hyracks/storage/am/btree/util/BTreeUtils.java [70:80]:
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    public static MultiComparator getSearchMultiComparator(IBinaryComparatorFactory[] cmpFactories,
            ITupleReference searchKey) {
        if (searchKey == null || cmpFactories.length == searchKey.getFieldCount()) {
            return MultiComparator.create(cmpFactories);
        }
        IBinaryComparator[] newCmps = new IBinaryComparator[searchKey.getFieldCount()];
        for (int i = 0; i < searchKey.getFieldCount(); i++) {
            newCmps[i] = cmpFactories[i].createBinaryComparator();
        }
        return new MultiComparator(newCmps);
    }
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hyracks/hyracks-storage-am-rtree/src/main/java/org/apache/hyracks/storage/am/rtree/util/RTreeUtils.java [64:74]:
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    public static MultiComparator getSearchMultiComparator(IBinaryComparatorFactory[] cmpFactories,
            ITupleReference searchKey) {
        if (searchKey == null || cmpFactories.length == searchKey.getFieldCount()) {
            return MultiComparator.create(cmpFactories);
        }
        IBinaryComparator[] newCmps = new IBinaryComparator[searchKey.getFieldCount()];
        for (int i = 0; i < searchKey.getFieldCount(); i++) {
            newCmps[i] = cmpFactories[i].createBinaryComparator();
        }
        return new MultiComparator(newCmps);
    }
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