Constructs/configures CsvListWriter objects used during export.
Writes ExecRows to a CSVWriter
Encapsulates logic about how taskId + ExportParams are translated into target file path, how file (and directory) are created, etc.
Export the results of an arbitrary SELECT query to HDFS.
Represents the user provided parameters of a given export.
Before creating tasks on multiple nodes use this class to verify that the export destination directory can be created and written to.