Minor Description
smilegator
When loading data using jdbc and enabling spark.sql.adaptive.enabled=true , for example loading a tableA table, unexpected results can occur when you use the following query.
For example:
device_loc table comes from the jdbc data source
select tv_a.imei
from ( select a.imei,a.speed from device_loc a) tv_a
inner join ( select a.imei,a.speed from device_loc a ) tv_b on tv_a.imei = tv_b.imei
group by tv_a.imei
When the cache tabel device_loc is executed before this query is executed, everything is fine,However, if you do not execute cache table, unexpected results will occur, resulting in failure to execute.
Remarks：Attachment records the stack when the error occurred
