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[SPARK-7248] implemented random number generators for DataFrames #5819

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[SPARK-7248] implemented random number generators for DataFrames #5819

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6d43895
implemented random generators
brkyvz Apr 30, 2015
c5909eb
deleted old implementation of Rand
brkyvz Apr 30, 2015
03637f0
fix broken hive func
brkyvz Apr 30, 2015
b453716
move radn with seed down
brkyvz Apr 30, 2015
7d53953
waiting for hive tests
brkyvz Apr 30, 2015
13cad5c
couple fixes
brkyvz Apr 30, 2015
4234c3a
fix Rand expression
brkyvz Apr 30, 2015
50d69d4
add seed for test that failed
brkyvz May 1, 2015
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move radn with seed down
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@brkyvz
brkyvz committed Apr 30, 2015
commit b4537165181679795ab3a8cc568fccfe79773108
2 changes: 1 addition & 1 deletion sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveQl.scala
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Expand Up @@ -1245,8 +1245,8 @@ https://cwiki.apache.org/confluence/display/Hive/Enhanced+Aggregation%2C+Cube%2C
/* Other functions */
case Token("TOK_FUNCTION", Token(ARRAY(), Nil) :: children) =>
CreateArray(children.map(nodeToExpr))
case Token("TOK_FUNCTION", Token(RAND(seed), Nil) :: Nil) => Rand(seed.toLong)
case Token("TOK_FUNCTION", Token(RAND(), Nil) :: Nil) => Rand(Utils.random.nextLong())
case Token("TOK_FUNCTION", Token(RAND(seed), Nil) :: Nil) => Rand(seed.toLong)
case Token("TOK_FUNCTION", Token(SUBSTR(), Nil) :: string :: pos :: Nil) =>
Substring(nodeToExpr(string), nodeToExpr(pos), Literal.create(Integer.MAX_VALUE, IntegerType))
case Token("TOK_FUNCTION", Token(SUBSTR(), Nil) :: string :: pos :: length :: Nil) =>
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