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authorHerman van Hovell <hvanhovell@databricks.com>2016-08-02 10:09:47 -0700
committerReynold Xin <rxin@databricks.com>2016-08-02 10:09:47 -0700
commit2330f3ecbbd89c7eaab9cc0d06726aa743b16334 (patch)
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parent146001a9ffefc7aaedd3d888d68c7a9b80bca545 (diff)
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[SPARK-16836][SQL] Add support for CURRENT_DATE/CURRENT_TIMESTAMP literals
## What changes were proposed in this pull request? In Spark 1.6 (with Hive support) we could use `CURRENT_DATE` and `CURRENT_TIMESTAMP` functions as literals (without adding braces), for example: ```SQL select /* Spark 1.6: */ current_date, /* Spark 1.6 & Spark 2.0: */ current_date() ``` This was accidentally dropped in Spark 2.0. This PR reinstates this functionality. ## How was this patch tested? Added a case to ExpressionParserSuite. Author: Herman van Hovell <hvanhovell@databricks.com> Closes #14442 from hvanhovell/SPARK-16836.
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