select.JoinOn.scala Maven / Gradle / Ivy
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/*
* Copyright 2021 Kári Magnússon
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package kuzminki.select
import kuzminki.api.{Model, Join}
import kuzminki.model.ModelTable
import kuzminki.column.TypeCol
import kuzminki.section._
class JoinOn[A <: Model, B <: Model, R](join: Join[A, B], coll: SelectCollector[R]) {
private def next(joinSec: JoinSec, onSec: OnSec) = {
new Where(join, coll.extend(Vector(joinSec, onSec)))
}
def joinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
InnerJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def innerJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
InnerJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def leftJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
LeftJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def leftOuterJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
LeftOuterJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def rightJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
RightJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def rightOuterJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
RightOuterJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def fullOuterJoinOn(pickLeft: A => TypeCol[_], pickRight: B => TypeCol[_]) = {
next(
FullOuterJoinSec(ModelTable(join.b)),
OnSec(pickLeft(join.a), pickRight(join.b))
)
}
def crossJoin = {
new Where(join, coll.add(CrossJoinSec(ModelTable(join.b))))
}
}