Yang Jiang

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I update the tpch-q3 to test, intend to use `o_shippriority = 'none'` to produce this ``` select l_orderkey, sum(l_extendedprice * (1 - l_discount)) as revenue, o_orderdate, o_shippriority from customer, orders,...

related to apache/arrow-ballista#7

@gaojun2048 i think this `test_task_stuck_when_referenced_task_failed` UT will get error, is this your purpose? I think it will return error in call `collect()` , is there something i miss?

@thinkharderdev Thanks for writing it up ❤️. > To be transparent, my team is building a query engine which is sensitive to time-to-first-result latency so we are very interested in...

This would be a milestone in Ballista! 👍

i have done some test result of use roaring-rs and croaring-rs in datafusion doing count_distinct one col (use same logic: insert one value one time). Just FYI😊 1million_rows_10thousand_distinct.parquet ``` bitmap...

> > i have done some test result of use roaring-rs and croaring-rs in datafusion doing count_distinct one col (use same logic: insert one value one time). Just FYI😊 >...

This pr is design to delete some OrphonSegment which status is New and the cube status is enable. If there are some errors happen when delete an OrphonSegment when cube...