A memory-limited sort query fails #14143

 cargo run -- --mem-pool-type fair -m 80M -c 'select c1, c1 as c2 from generate_series(1,10000000) as t1(c1) order by c2 DESC, c1 ASC NULLS LAST'

Error: Resources exhausted: Failed to allocate additional 131072 bytes for ExternalSorterMerge[0] with 31850496 bytes already allocated for this reservation - 45560 bytes remain available for the total pool