Compares if two DataFrames are equal, checks that the schemas are the same.
Compares if two DataFrames are equal, checks that the schemas are the same. When comparing inexact fields uses tol.
max acceptable tolerance, should be less than 1.
Compares if two DataFrames are equal, checks the schema and then if that matches checks if the rows are equal.
Compares if two DataFrames are equal, checks the schema and then if that matches checks if the rows are equal.
Setup work to be called when creating a new SparkContext.
Setup work to be called when creating a new SparkContext. Default implementation currently sets a checkpoint directory.
This _should_ be called by the context provider automatically.
:: Experimental :: Base class for testing Spark DataFrames.