org.neo4j.cypher.internal.expressions.functions.Percentiles.scala Maven / Gradle / Ivy

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/*
 * Copyright (c) "Neo4j"
 * Neo4j Sweden AB [https://neo4j.com]
 *
 * 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 org.neo4j.cypher.internal.expressions.functions

import org.neo4j.cypher.internal.expressions.FunctionTypeSignature
import org.neo4j.cypher.internal.util.InputPosition
import org.neo4j.cypher.internal.util.symbols.CTBoolean
import org.neo4j.cypher.internal.util.symbols.CTFloat
import org.neo4j.cypher.internal.util.symbols.CTInteger
import org.neo4j.cypher.internal.util.symbols.CTList
import org.neo4j.cypher.internal.util.symbols.CTMap
import org.neo4j.cypher.internal.util.symbols.CTString
import org.neo4j.cypher.internal.util.symbols.ClosedDynamicUnionType

case object Percentiles extends AggregatingFunction {
  def name = "percentiles"

  override val signatures = Vector(
    FunctionTypeSignature(
      function = this,
      names = Vector("input", "percentiles", "propertyKeys", "isDiscrete"),
      argumentTypes = Vector(
        ClosedDynamicUnionType(Set(CTInteger, CTFloat))(InputPosition.NONE),
        CTList(CTFloat),
        CTList(CTString),
        CTList(CTBoolean)
      ),
      outputType = CTMap,
      description = "Returns the nearest `INTEGER` or `FLOAT` value for each of the given percentiles.",
      category = Category.AGGREGATING,
      // prevent method from getting listed by SHOW FUNCTIONS
      internal = true
    )
  )
}