Chetan Bhat created SPARK-32700: ----------------------------------- Summary: select from table TABLESAMPLE gives wrong resultset. Key: SPARK-32700 URL: https://issues.apache.org/jira/browse/SPARK-32700 Project: Spark Issue Type: Bug Components: SQL Affects Versions: 3.0.0 Environment: Spark 3.0.0 Reporter: Chetan Bhat
create table test(id int,name string) stored as parquet; insert into test values (5,'Alex'),(8,'Lucy'),(2,'Mary'),(4,'Fred'),(1,'Lisa'),(9,'Eric'),(10,'Adam'),(6,'Mark'),(7,'Lily'),(3,'Evan'); SELECT * FROM test TABLESAMPLE (50 PERCENT); --> output is giving only 3 rows. spark-sql> SELECT * FROM test TABLESAMPLE (50 PERCENT); 5 Alex 10 Adam 4 Fred Expected as per the link is 5 rows -->[https://spark.apache.org/docs/latest/sql-ref-syntax-qry-select-sampling.html] Also the bucket parameter for select from table TABLESAMPLE gives wrong resultset. spark-sql> SELECT * FROM test TABLESAMPLE (BUCKET 4 OUT OF 10); 5 Alex 8 Lucy 9 Eric 1 Lisa 3 Evan Expected is 4 records. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org