returns the highest position iterated to so far , useful for ensuring laziness . concode_field_sep int maxPos concode_elem_sep int[] tags concode_field_sep void runLazyResult concode_elem_sep Reiterator<RawUnionValue> iterator concode_elem_sep Reiterator<RawUnionValue> iterator concode_elem_sep CoGbkResultSchema createSchema concode_elem_sep void testLazyResults
int function ( ) { return maxPos ; }