apache-arrow/vector/dictionary.d.ts

Apache Arrow columnar in-memory format

import { Data } from '../data';
import { Vector } from '../vector';
import { BaseVector } from './base';
import { VectorType as V } from '../interfaces';
import { VectorBuilderOptions } from './index';
import { VectorBuilderOptionsAsync } from './index';
import { DataType, Dictionary, TKeys } from '../type';
/** @ignore */
declare type FromArgs<T extends DataType = any, TKey extends TKeys = TKeys> = [Vector<T>, TKey, ArrayLike<number> | TKey['TArray']];
/** @ignore */
export declare class DictionaryVector<T extends DataType = any, TKey extends TKeys = TKeys> extends BaseVector<Dictionary<T, TKey>> {
    static from<T extends DataType = any, TKey extends TKeys = TKeys>(...args: FromArgs<T, TKey>): V<Dictionary<T, TKey>>;
    static from<T extends DataType = any, TKey extends TKeys = TKeys>(input: VectorBuilderOptions<Dictionary<T, TKey>>): Vector<Dictionary<T, TKey>>;
    static from<T extends DataType = any, TKey extends TKeys = TKeys>(input: VectorBuilderOptionsAsync<Dictionary<T, TKey>>): Promise<Vector<Dictionary<T, TKey>>>;
    constructor(data: Data<Dictionary<T, TKey>>);
    readonly indices: V<TKey>;
    get dictionary(): Vector<T>;
    reverseLookup(value: T): number;
    getKey(idx: number): TKey['TValue'] | null;
    getValue(key: number): T['TValue'] | null;
    setKey(idx: number, key: TKey['TValue'] | null): void;
    setValue(key: number, value: T['TValue'] | null): void;
}
export {};