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https://issues.apache.org/jira/browse/SPARK-13370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-13370:
------------------------------------
Assignee: Apache Spark (was: Herman van Hovell)
> Lexer not handling whitespaces properly
> ---------------------------------------
>
> Key: SPARK-13370
> URL: https://issues.apache.org/jira/browse/SPARK-13370
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0
> Reporter: Cheng Lian
> Assignee: Apache Spark
>
> I was experimenting numeric suffixes and came to the following wrong query
> string, which should result in a parsing error:
> {code}
> // 1.0L is illegal here
> sqlContext.sql("SELECT 1.0D + 1.0L").show()
> {code}
> However, it gives the following result:
> {noformat}
> +---+
> | L|
> +---+
> |2.0|
> +---+
> {noformat}
> {{explain}} suggests that the {{L}} is recognized as an alias:
> {noformat}
> sqlContext.sql("SELECT 1.0D + 1.0L").explain(true)
> == Parsed Logical Plan ==
> 'Project [unresolvedalias((1.0 + 1.0) AS L#12, None)]
> +- OneRowRelation$
> {noformat}
> Seems that the lexer recognizes {{1.0}} and {{L}} as two tokens as if there's
> an whitespace there.
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