Aman Sinha created DRILL-602: -------------------------------- Summary: Query with join and group-by on join column hangs Key: DRILL-602 URL: https://issues.apache.org/jira/browse/DRILL-602 Project: Apache Drill Issue Type: Bug Reporter: Aman Sinha
Following query hangs on latest master branch: select ps.ps_partkey, count(*) from cp.`tpch/lineitem.parquet` l, cp.`tpch/partsupp.parquet` ps where l.l_partkey = ps.ps_partkey and ps.ps_partkey = 30 group by ps.ps_partkey; Plan looks ok: ScreenPrel: rowcount = 22.5, cumulative cost = {1398.3592534906718 rows, 307.0 cpu, 0.0 io}, id = 400 UnionExchangePrel: rowcount = 22.5, cumulative cost = {1396.1092534906718 rows, 304.75 cpu, 0.0 io}, id = 399 StreamAggPrel(group=[{0}], EXPR$1=[COUNT()]): rowcount = 22.5, cumulative cost = {1393.8592534906718 rows, 302.5 cpu, 0.0 io}, id = 398 SortPrel(sort0=[$0], dir0=[ASC]): rowcount = 225.0, cumulative cost = {1371.3592534906718 rows, 302.5 cpu, 0.0 io}, id = 397 HashToRandomExchangePrel(dist0=[[$0]]): rowcount = 225.0, cumulative cost = {883.910217292274 rows, 280.0 cpu, 0.0 io}, id = 396 ProjectPrel(ps_partkey=[$3]): rowcount = 225.0, cumulative cost = {861.410217292274 rows, 257.5 cpu, 0.0 io}, id = 395 MergeJoinPrel(condition=[=($1, $3)], joinType=[inner]): rowcount = 225.0, cumulative cost = {838.910217292274 rows, 235.0 cpu, 0.0 io}, id = 394 SortPrel(sort0=[$1], dir0=[ASC]): rowcount = 100.0, cumulative cost = {478.4136148790474 rows, 121.0 cpu, 0.0 io}, id = 390 HashToRandomExchangePrel(dist0=[[$1]]): rowcount = 100.0, cumulative cost = {110.0 rows, 111.0 cpu, 0.0 io}, id = 389 ScanPrel(table=[[cp, tpch/lineitem.parquet]]): rowcount = 100.0, cumulative cost = {100.0 rows, 101.0 cpu, 0.0 io}, id = 247 SortPrel(sort0=[$1], dir0=[ASC]): rowcount = 15.0, cumulative cost = {135.49660241322653 rows, 114.0 cpu, 0.0 io}, id = 393 HashToRandomExchangePrel(dist0=[[$1]]): rowcount = 15.0, cumulative cost = {103.0 rows, 112.5 cpu, 0.0 io}, id = 392 FilterPrel(condition=[=(CAST($1):INTEGER NOT NULL, 30)]): rowcount = 15.0, cumulative cost = {101.5 rows, 111.0 cpu, 0.0 io}, id = 391 ScanPrel(table=[[cp, tpch/partsupp.parquet]]): rowcount = 100.0, cumulative cost = {100.0 rows, 101.0 cpu, 0.0 io}, id = 191 -- This message was sent by Atlassian JIRA (v6.2#6252)