[ https://issues.apache.org/jira/browse/SPARK-20854?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan updated SPARK-20854: -------------------------------- Fix Version/s: 2.2.0 > extend hint syntax to support any expression, not just identifiers or strings > ----------------------------------------------------------------------------- > > Key: SPARK-20854 > URL: https://issues.apache.org/jira/browse/SPARK-20854 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 2.2.0 > Reporter: Bogdan Raducanu > Assignee: Bogdan Raducanu > Priority: Blocker > Fix For: 2.2.0 > > > Currently the SQL hint syntax supports as parameters only identifiers while > the Dataset hint syntax supports only strings. > They should support any expression as parameters, for example numbers. This > is useful for implementing other hints in the future. > Examples: > {code} > df.hint("hint1", Seq(1, 2, 3)) > df.hint("hint2", "A", 10000) > sql("select /*+ hint1((1,2,3)) */") > sql("select /*+ hint2('A', 10000) */") > {code} -- 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