final class Collect[Coll[_], In, Out] extends QueryResult[In, Coll[Out]]
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- def flatMap[In2 <: In, B](f: (Coll[Out]) => QueryResult[In2, B]): QueryResult[In2, B]
Transforms this
QueryResult
by applying a function producing otherQueryResult
Transforms this
QueryResult
by applying a function producing otherQueryResult
Example:
val peopleQuery: Query[From[Person], Person] = ??? val companiesQuery: Query[From[Company], Company] = ??? val result = for { people <- peopleQuery.toList companies <- companiesQuery.toList } yield (people, companies)
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new query result type
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transformation function
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transformed query result
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- QueryResult
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- def map[B](f: (Coll[Out]) => B): QueryResult[In, B]
Transforms this
QueryResult
by applying an arbitrary function.Transforms this
QueryResult
by applying an arbitrary function.Example:
val result = select[Person].toList val result2 = result.map(_.size)
- B
new query result type
- f
transformation function
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transformed query result
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- QueryResult
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