ac7d6af1ca
https://issues.apache.org/jira/browse/SPARK-13260 This is a quicky fix for `count(*)`. When the `requiredColumns` is empty, currently it returns `sqlContext.sparkContext.emptyRDD[Row]` which does not have the count. Just like JSON datasource, this PR lets the CSV datasource count the rows but do not parse each set of tokens. Author: hyukjinkwon <gurwls223@gmail.com> Closes #11169 from HyukjinKwon/SPARK-13260. |
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