[jira] [Created] (SPARK-17753) Simple case in spark sql throws ParserException

["kanika dhuria (JIRA)" <ji...@apache.org>]

kanika dhuria created SPARK-17753:
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             Summary: Simple case in spark sql throws ParserException
                 Key: SPARK-17753
                 URL: https://issues.apache.org/jira/browse/SPARK-17753
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.0.0
            Reporter: kanika dhuria


Simple case in sql throws parser exception in spark 2.0.
The following query fails in spark 2.0 

spark.sql("SELECT alias.p_double as a0, alias.p_text as a1, NULL as a2 FROM hadoop_tbl_all alias WHERE  (1 = (CASE ('aaaaabbbbb' = alias.p_text) OR (8 <= LENGTH(alias.p_text)) WHEN TRUE THEN 1  WHEN FALSE THEN 0 ELSE CAST(NULL AS INT) END))")

org.apache.spark.sql.catalyst.parser.ParseException:
mismatched input 'EQ' expecting {<EOF>, '.', '[', 'GROUP', 'ORDER', 'HAVING', 'LIMIT', 'OR', 'AND', 'IN', NOT, 'BETWEEN', 'LIKE', RLIKE, 'IS', 'WINDOW', 'UNION', 'EXCEPT', 'INTERSECT', EQ, '<=>', '<>', '!=', '<', LTE, '>', GTE, '+', '-', '*', '/', '%', 'DIV', '&', '|', '^', 'SORT', 'CLUSTER', 'DISTRIBUTE'}(line 1, pos 111)

== SQL ==
SELECT alias.p_double as a0, alias.p_text as a1, NULL as a2 FROM hadoop_tbl_all alias WHERE  CASE 'aaaaabbbbb' EQ alias.p_text  WHEN TRUE=TRUE THEN 1  WHEN TRUE=FALSE THEN 0 ELSE CAST(NULL AS INT) END
---------------------------------------------------------------------------------------------------------------^^^

  at org.apache.spark.sql.catalyst.parser.ParseException.withCommand(ParseDriver.scala:197)
  at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parse(ParseDriver.scala:99)
  at org.apache.spark.sql.execution.SparkSqlParser.parse(SparkSqlParser.scala:46)
  at org.apache.spark.sql.catalyst.parser.AbstractSqlParser.parsePlan(ParseDriver.scala:53)
  at org.apache.spark.sql.SparkSession.sql(SparkSession.scala:582)
  ... 48 elided




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