@uwdata/flechette
Version:
Fast, lightweight access to Apache Arrow data.
31 lines (30 loc) • 1.18 kB
TypeScript
/**
* Builder for data batches that can be accessed directly as typed arrays.
*/
export class DirectBuilder extends ValidityBuilder {
values: import("../buffer.js").Buffer;
init(): this;
done(): {
values: import("../../types.js").TypedArray;
length: number;
nullCount: number;
type: any;
validity: Uint8Array<ArrayBuffer> | Uint16Array<ArrayBufferLike> | Uint32Array<ArrayBufferLike> | Int8Array<ArrayBufferLike> | Int16Array<ArrayBufferLike> | Int32Array<ArrayBufferLike> | BigUint64Array<ArrayBufferLike> | BigInt64Array<ArrayBufferLike> | Float32Array<ArrayBufferLike> | Float64Array<ArrayBufferLike>;
};
}
/**
* Builder for int64/uint64 data batches written as bigints.
*/
export class Int64Builder extends DirectBuilder {
set(value: any, index: any): void;
}
/**
* Builder for data batches whose values must pass through a transform
* function prior to be written to a backing buffer.
*/
export class TransformBuilder extends DirectBuilder {
constructor(type: any, ctx: any, transform: any);
transform: any;
set(value: any, index: any): void;
}
import { ValidityBuilder } from './validity.js';