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cheng commented on SPARK-24705: ------------------------------- For example, my query: 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. > Spark.sql.adaptive.enabled=true is enabled and self-join query > -------------------------------------------------------------- > > Key: SPARK-24705 > URL: https://issues.apache.org/jira/browse/SPARK-24705 > Project: Spark > Issue Type: Bug > Components: SQL > Affects Versions: 2.3.1 > Reporter: cheng > Priority: Minor > > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org