package spec defines specification of YT operation.

GroupKeys groups rows in r by key, according to KeySwitch().

InsideJob determines whether current process is running inside a mapreduce job.

JobMain runs user code inside mapreduce job.

Register registers job type.

RegisterJobPart registers type that might be used as part of the job state.

RegisterName registers job type with overriden name.

WithLocalFile makes local file available inside job sandbox directory.

CoreTableRow is a single row of operation core table.

StderrTableRow is a single row of operation stderr table.

Untyped is empty struct useful for embedding inside user job type, it provides default implementation of InputTypes() and OutputTypes() methods.

Reader represents input of the job.

Writer is single output of mapreduce job.