docs / it.uniroma3.dbtree.spi.impl.functions / SumInt

SumInt

class SumInt : Function<Int, Long, Long> (source)

Constructors

<init>

SumInt()

Functions

f

Function's component for the combination of aggregate values.

fun f(aggList: List<Long?>): Long?

g

Computes the aggregate value from an atomic value.

fun g(v: Int?): Long?

h

Generates a final result from an aggregate value.

fun h(a: Long?): Long?

identity

Returns the identity aggregate value for this aggregation function.

fun identity(): Long

parseA

Parser for the aggregate value type.

fun parseA(s: String): Long

parseV

Parser for the atomic value type.

fun parseV(s: String): Int