public void setSearchCondition(Object expr) {
}
@Override
public void seek(long offset) throws IOException {
if(isCompress()) throw new UnsupportedException();
int tupleIndex = Arrays.binarySearch(this.tupleOffsets, offset);
if (tupleIndex > -1) {
this.currentIdx = tupleIndex;
} else if (isSplittable() && offset >= this.pageStart + this.bufSize