@lightningkite/ktor-batteries-simplified/src/otherModels.ts

import { Condition } from './Condition'
import { Modification } from './Modification'

export interface Query<T> {
    condition?: Condition<T>// = Condition.Always<T>(),
    orderBy?: Array<keyof T>
    skip?: number // = 0,
    limit?: number // = 100,
}
export interface MassModification<T> {
    condition: Condition<T>
    modification: Modification<T>
}
export interface EntryChange<T> {
    old?: T | null
    new?: T | null
}
export interface ListChange<T> {
    wholeList?: Array<T> | null
    old?: T | null
    new?: T | null
}
export interface GroupCountQuery<Model>{
    condition?: Condition<Model>
    groupBy: keyof Model
}

export interface AggregateQuery<Model>{
    aggregate: Aggregate,
    condition?: Condition<Model>
    property: keyof Model
}

export interface GroupAggregateQuery<Model>{
    aggregate: Aggregate,
    condition?: Condition<Model>
    groupBy: keyof Model,
    property: keyof Model
}

export enum Aggregate {
    Sum = "Sum",
    Average = "Average",
    StandardDeviationSample = "StandardDeviationSample",
    StandardDeviationPopulation = "StandardDeviationPopulation",
}