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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.fn
import kuzminki.column.{TypeCol, LongCol}
import kuzminki.render.{Prefix, NoArgs}
object Count {
def all = Count(CountAll)
}
case class Count(col: TypeCol[_]) extends LongCol {
def name = "count"
val template = "count(%s)"
def render(prefix: Prefix) = template.format(col.render(prefix))
def args = col.args
}
object CountAll extends LongCol with NoArgs {
def name = "count"
def render(prefix: Prefix) = "*"
}