Ksqlite Kotlin API/ksqlite.kapi.function/AggregateFunction

AggregateFunction

interface AggregateFunction : Function(source)

Aggregate function.

Inheritors

WindowFunction

Functions

open override fun close()

Called when the function is finalized by SQLite. Finalization can also happen when the function registration fails.

final

abstract fun AggregateFunctionFinalScope.final(): Result

Returns the current value of the aggregate, determined by the contents of the current window, and frees any resources allocated by earlier calls to step. The returned Result must come from calling one of the receiver's result methods.

step

abstract fun AggregateFunctionStepScope.step(arguments: Array<ProtectedValue>)

Adds a row to the current window. arguments, if any, correspond to the row being added.