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https://issues.apache.org/jira/browse/SPARK-7114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14510592#comment-14510592
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Wenchen Fan commented on SPARK-7114:
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cc [~rxin]
> parse error for DataFrame.filter after aggregate
> ------------------------------------------------
>
> Key: SPARK-7114
> URL: https://issues.apache.org/jira/browse/SPARK-7114
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Reporter: Wenchen Fan
>
> DataFrame.filter has 2 overloaded versions. One of it accept String parameter
> to represent condition expression.
> {code}
> val df = ... // df has 2 columns: key, value
> val agg = df.groupBy("key").count()
> agg.filter(df("count") > 1) // this success
> agg.filter("count > 1") // this failed
> {code}
> the error message is:
> {code}
> [1.7] failure: ``('' expected but `>' found
> count > 1
> ^
> java.lang.RuntimeException: [1.7] failure: ``('' expected but `>' found
> count > 1
> ^
> {code}
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