func()

in spark/sql/dataframe.go [1428:1454]

• 25 lines of code
• 3 McCabe index (conditional complexity)

func (df *dataFrameImpl) sample(ctx context.Context, withReplacement *bool, fraction float64, seed *int64) (DataFrame, error) {
	if seed == nil {
		defaultSeed := rand.Int64()
		seed = &defaultSeed
	}

	if withReplacement == nil {
		defaultWithReplacement := false
		withReplacement = &defaultWithReplacement
	}

	rel := &proto.Relation{
		Common: &proto.RelationCommon{
			PlanId: newPlanId(),
		},
		RelType: &proto.Relation_Sample{
			Sample: &proto.Sample{
				Input:           df.relation,
				LowerBound:      0,
				UpperBound:      fraction,
				WithReplacement: withReplacement,
				Seed:            seed,
			},
		},
	}
	return NewDataFrame(df.session, rel), nil
}