Skip to main content

Class: ParquetTableDataProvider

Defined in: @tissuumaps-storage/src/parquet/ParquetTableDataProvider.ts:16

Implements​

Constructors​

Constructor​

new ParquetTableDataProvider(): ParquetTableDataProvider

Returns​

ParquetTableDataProvider

Properties​

name​

readonly name: "Parquet" = "Parquet"

Defined in: @tissuumaps-storage/src/parquet/ParquetTableDataProvider.ts:20

The name of the data provider

Implementation of​

TableDataProvider.name

schema​

readonly schema: object

Defined in: @tissuumaps-storage/src/parquet/ParquetTableDataProvider.ts:22

The JSON schema for the data source

properties​

properties: object

properties.idColumn​

idColumn: object

properties.idColumn.type​

type: string = "string"

properties.nameColumn​

nameColumn: object

properties.nameColumn.type​

type: string = "string"

properties.url​

url: object

properties.url.type​

type: string = "string"

required​

required: string[]

type​

type: string = "object"

Implementation of​

TableDataProvider.schema

uischema​

readonly uischema: object

Defined in: @tissuumaps-storage/src/parquet/ParquetTableDataProvider.ts:39

The JSON Forms UI schema for the data source

elements​

elements: object[]

type​

type: string = "VerticalLayout"

Implementation of​

TableDataProvider.uischema

Methods​

open()​

open(dataSource, options?): Promise<ParquetTableData>

Defined in: @tissuumaps-storage/src/parquet/ParquetTableDataProvider.ts:61

Opens a data source and returns the loaded data accessor

Parameters​

dataSource​

ParquetTableDataSource

The data source to open

options?​

Optional abort signal, progress callback, and workspace directory handle

onProgress?​

ProgressCallback

signal?​

AbortSignal

workspace?​

FileSystemDirectoryHandle | null

Returns​

Promise<ParquetTableData>

A promise that resolves to the loaded data accessor

Implementation of​

TableDataProvider.open