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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