spark git commit: [SPARK-20055][DOCS] Added documentation for loading csv files into DataFrames

Repository: spark Updated Branches: refs/heads/master 645e108ee -> ccdf21f56 [SPARK-20055][DOCS] Added documentation for loading csv files into DataFrames ## What changes were proposed in this pull request? Added documentation for loading csv files into Dataframes ## How was this patch

spark git commit: [SPARK-21988][SS] Implement StreamingRelation.computeStats to fix explain

Repository: spark Updated Branches: refs/heads/master 655f6f86f -> 645e108ee [SPARK-21988][SS] Implement StreamingRelation.computeStats to fix explain ## What changes were proposed in this pull request? Implement StreamingRelation.computeStats to fix explain ## How was this patch tested? -

spark git commit: [SPARK-22208][SQL] Improve percentile_approx by not rounding up targetError and starting from index 0

Repository: spark Updated Branches: refs/heads/master 76fb173dd -> 655f6f86f [SPARK-22208][SQL] Improve percentile_approx by not rounding up targetError and starting from index 0 ## What changes were proposed in this pull request? Currently percentile_approx never returns the first element