[ https://issues.apache.org/jira/browse/SPARK-20962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sean Owen updated SPARK-20962: ------------------------------ Fix Version/s: (was: 2.3.0) > Support subquery column aliases in FROM clause > ---------------------------------------------- > > Key: SPARK-20962 > URL: https://issues.apache.org/jira/browse/SPARK-20962 > Project: Spark > Issue Type: Sub-task > Components: SQL > Affects Versions: 2.1.1 > Reporter: Takeshi Yamamuro > > Currently, we do not support subquery column aliases; > {code} > scala> sql("SELECT * FROM (SELECT 1 AS col1, 1 AS col2) t(a, b)").show > org.apache.spark.sql.catalyst.parser.ParseException: > mismatched input '(' expecting {<EOF>, ',', 'WHERE', 'GROUP', 'ORDER', > 'HAVING', 'LIMIT', 'JOIN', 'CROSS', 'INNER', 'LEFT', 'RIGHT', 'FULL', > 'NATURAL', 'LATERAL', 'WINDOW', 'UNION', 'EXCEPT', 'MINUS', 'INTERSECT', > 'SORT', 'CLUSTER', 'DISTRIBUTE', 'ANTI'}(line 1, pos 45) > == SQL == > SELECT * FROM (SELECT 1 AS col1, 1 AS col2) t(a, b) > ---------------------------------------------^^^ > at > org.apache.spark.sql.catalyst.parser.ParseException.withCommand(ParseDriver.scala:217) > at > org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parse(ParseDriver.scala:114) > at > org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:48) > at > org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parsePlan(ParseDriver.scala:68) > at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:623) > {code} > We could support this by referring; > http://docs.aws.amazon.com/redshift/latest/dg/r_FROM_clause30.html -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org