The following are all query and operations provided by go-plinq:

Function	Available Sequential	Available Parallel
Where	✓	✓
Select	✓	✓
SelectMany	✓	✓
Distinct	✓	✓
DistinctBy	✓	✓
GroupBy	✓	✓
Join	✓	✓
LeftJoin	✓	✓
GroupJoin	✓	✓
LeftGroupJoin	✓	✓
OrderBy	✓
Reverse	✓	✓
Union	✓	✓
Concat	✓
Take	✓
TakeWhile	✓	✓
Skip	✓
SkipWhile	✓	✓
Intersect	✓	✓
Except	✓	✓
First	✓	✓
FirstBy	✓	✓
Last	✓	✓
LastBy	✓	✓
ElementAt	✓
Aggregate	✓	✓
Min	✓	✓
Max	✓	✓
Sum	✓	✓
Average	✓	✓
Count	✓	✓

→ See go doc for functions above

Next: Customize Parallel Mechanism (outstanding)