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[SPARK-13535] [SQL] Fix Analysis Exceptions when Using Backticks in Transform Clause #11415

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[SPARK-13535] [SQL] Fix Analysis Exceptions when Using Backticks in Transform Clause #11415

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d186035
use backtick in script transform outputs
gatorsmile Feb 28, 2016
2357d90
added one more test case.
gatorsmile Feb 28, 2016
0931295
Merge remote-tracking branch 'upstream/master' into scriptTransform
gatorsmile Feb 29, 2016
c1f31d1
Merge remote-tracking branch 'upstream/master' into scriptTransform
gatorsmile Feb 29, 2016
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use backtick in script transform outputs
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@gatorsmile
gatorsmile committed Feb 28, 2016
commit d18603525e6806a4de907a13a88c5759225065e8
6 changes: 3 additions & 3 deletions sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala
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Expand Up @@ -583,11 +583,11 @@ private[hive] class HiveQl(conf: ParserConf) extends SparkQl(conf) with Logging

val (output, schemaLess) = outputClause match {
case Token("TOK_ALIASLIST", aliases) :: Nil =>
(aliases.map { case Token(name, Nil) => AttributeReference(name, StringType)() },
false)
(aliases.map { case Token(name, Nil) =>
AttributeReference(cleanIdentifier(name), StringType)() }, false)
case Token("TOK_TABCOLLIST", attributes) :: Nil =>
(attributes.map { case Token("TOK_TABCOL", Token(name, Nil) :: dataType :: Nil) =>
AttributeReference(name, nodeToDataType(dataType))() }, false)
AttributeReference(cleanIdentifier(name), nodeToDataType(dataType))() }, false)
case Nil =>
(List(AttributeReference("key", StringType)(),
AttributeReference("value", StringType)()), true)
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8 changes: 8 additions & 0 deletions sql/hive/src/test/scala/org/apache/spark/sql/hive/HiveQlSuite.scala
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Expand Up @@ -200,4 +200,12 @@ class HiveQlSuite extends SparkFunSuite with BeforeAndAfterAll {

assert(plan.children.head.asInstanceOf[Generate].generator.isInstanceOf[JsonTuple])
}

test("use backticks in output of Script Transform") {
val plan = parser.parsePlan(
"""SELECT `t`.`thing1`
|FROM (SELECT TRANSFORM (`parquet_t1`.`key`, `parquet_t1`.`value`)
|USING 'cat' AS (`thing1` int, `thing2` string) FROM `default`.`parquet_t1`) AS t
""".stripMargin)
}
}