Bruce Robbins created SPARK-46779:
-------------------------------------
Summary: Grouping by subquery with a cached relation can fail
Key: SPARK-46779
URL: https://issues.apache.org/jira/browse/SPARK-46779
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 4.0.0
Reporter: Bruce Robbins
Example:
{noformat}
create or replace temp view data(c1, c2) as values
(1, 2),
(1, 3),
(3, 7),
(4, 5);
cache table data;
select c1, (select count(*) from data d1 where d1.c1 = d2.c1), count(c2) from
data d2 group by all;
{noformat}
It fails with the following error:
{noformat}
[INTERNAL_ERROR] Couldn't find count(1)#163L in
[c1#78,_groupingexpression#149L,count(1)#82L] SQLSTATE: XX000
org.apache.spark.SparkException: [INTERNAL_ERROR] Couldn't find count(1)#163L
in [c1#78,_groupingexpression#149L,count(1)#82L] SQLSTATE: XX000
{noformat}
If you don't cache the view, the query succeeds.
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