Database.Relational.ProjectableExtended

Projection for nested Maybes

class ProjectableFlattenMaybe a b

flattenPiMaybe

Get narrower records

(!)

(?!)

(?!?)

(!??)

Aggregate functions

unsafeAggregateOp

count

sum'

sumMaybe

avg

avgMaybe

max'

maxMaybe

min'

minMaybe

every

any'

some'