Chao Long created KYLIN-4464:
--------------------------------
Summary: Query ... row_number over(order by c1) ... order by c2
... get wrong order result
Key: KYLIN-4464
URL: https://issues.apache.org/jira/browse/KYLIN-4464
Project: Kylin
Issue Type: Bug
Components: Query Engine
Reporter: Chao Long
Assignee: Chao Long
Fix For: Future
Attachments: image-2020-04-20-18-19-40-925.png,
image-2020-04-20-18-22-34-765.png
*SQL*
{code:java}
select t.*, row_number() over (order by t.lstg_format_name) as row_num from (
select lstg_format_name, sum(price) as GMV from
KYLIN_SALES
where lstg_format_name is not null
group by lstg_format_name
) as t
order by t.GMV desc limit 5{quote}
{code}
*Kylin result (order by lstg_format_name)*
!image-2020-04-20-18-19-40-925.png!
*Calcite execution plan*
{code:java}
EXECUTION PLAN BEFORE REWRITE
OLAPToEnumerableConverter
OLAPWindowRel(window#0=[window(partition {} order by [0 DESC] rows between
UNBOUNDED PRECEDING and CURRENT ROW aggs [ROW_NUMBER()])], ctx=[],
groups=[[window(partition {} order by [0 DESC] rows between UNBOUNDED PRECEDING
and CURRENT ROW aggs [ROW_NUMBER()])]])
OLAPLimitRel(ctx=[], fetch=[50000])
OLAPSortRel(sort0=[$1], dir0=[DESC], ctx=[])
OLAPAggregateRel(group=[{0}], GMV=[SUM($1)], ctx=[])
OLAPProjectRel(LSTG_FORMAT_NAME=[$2], PRICE=[$5], ctx=[])
OLAPFilterRel(condition=[IS NOT NULL($2)], ctx=[])
OLAPTableScan(table=[[DEFAULT, KYLIN_SALES]], ctx=[], fields=[[0,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]])
{code}
*Hive result(order by GMV)*
!image-2020-04-20-18-22-34-765.png!
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