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Liang-Chi Hsieh 31641128b3 [SPARK-8363][SQL] Move sqrt to math and extend UnaryMathExpression 
JIRA: https://issues.apache.org/jira/browse/SPARK-8363

Author: Liang-Chi Hsieh <viirya@gmail.com>

Closes #6823 from viirya/move_sqrt and squashes the following commits:

8977e11 [Liang-Chi Hsieh] Remove unnecessary old tests.
d23e79e [Liang-Chi Hsieh] Explicitly indicate sqrt value sequence.
699f48b [Liang-Chi Hsieh] Use correct @since tag.
8dff6d1 [Liang-Chi Hsieh] Merge remote-tracking branch 'upstream/master' into move_sqrt
bc2ed77 [Liang-Chi Hsieh] Remove/move arithmetic expression test and expression type checking test. Remove unnecessary Sqrt type rule.
d38492f [Liang-Chi Hsieh] Now sqrt accepts boolean because type casting is handled by HiveTypeCoercion.
297cc90 [Liang-Chi Hsieh] Sqrt only accepts double input.
ef4a21a [Liang-Chi Hsieh] Move sqrt to math.
2015-06-18 13:00:31 -07:00
..
main [SPARK-8363][SQL] Move sqrt to math and extend UnaryMathExpression 2015-06-18 13:00:31 -07:00
test [SPARK-8363][SQL] Move sqrt to math and extend UnaryMathExpression 2015-06-18 13:00:31 -07:00