Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/4158#discussion_r23514639
--- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala ---
@@ -633,14 +633,28 @@
https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation%2C+Cube%2C
Token(script, Nil) ::
Token("TOK_SERDE", serdeClause) ::
Token("TOK_RECORDREADER", readerClause) ::
- outputClause :: Nil) :: Nil) =>
+ outputClause) :: Nil) =>
+ // TODO the output should be bind with the output clause or
RecordReader
val output = outputClause match {
- case Token("TOK_ALIASLIST", aliases) =>
+ case Token("TOK_ALIASLIST", aliases) :: Nil =>
aliases.map { case Token(name, Nil) =>
AttributeReference(name, StringType)() }
- case Token("TOK_TABCOLLIST", attributes) =>
+ case Token("TOK_TABCOLLIST", attributes) :: Nil =>
attributes.map { case Token("TOK_TABCOL", Token(name, Nil)
:: dataType :: Nil) =>
AttributeReference(name, nodeToDataType(dataType))() }
+ case Nil => // Not specified the output field names, let it
be the same as input
+ (0 to inputExprs.length - 1).map { idx =>
+ // Keep the same as Hive does, the first field names is
"key", and second is
+ // "value", however, Hive seems gives null string for
the rest of the
--- End diff --
OK, I see. thanks for the explanation. I will update that.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at [email protected] or file a JIRA ticket
with INFRA.
---
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
