Shivaram Venkataraman created SPARK-9325:
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Summary: Support `collect` on DataFrame columns
Key: SPARK-9325
URL: https://issues.apache.org/jira/browse/SPARK-9325
Project: Spark
Issue Type: Sub-task
Reporter: Shivaram Venkataraman
This is to support code of the form
```
ages <- collect(df$Age)
```
Right now `df$Age` returns a Column, which has no functions supported.
Similarly we might consider supporting `head(df$Age)` etc.
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