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Class: ParquetTableData

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:24

Implements​

  • TableData

Constructors​

Constructor​

new ParquetTableData(buffer, metadata, index?): ParquetTableData

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:30

Parameters​

buffer​

AsyncBuffer

metadata​

FileMetaData

index?​

number[]

Returns​

ParquetTableData

Methods​

destroy()​

destroy(): void

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:82

Returns​

void

Implementation of​

TableData.destroy

getColumn()​

getColumn(query): Promise<string | null>

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:65

Parameters​

query​

string

Returns​

Promise<string | null>

Implementation of​

TableData.getColumn

getIndex()​

getIndex(): number[]

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:47

Returns​

number[]

Implementation of​

TableData.getIndex

getLength()​

getLength(): number

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:43

Returns​

number

Implementation of​

TableData.getLength

loadColumn()​

loadColumn<T>(column, options): Promise<MappableArrayLike<T>>

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:70

Type Parameters​

T​

T

Parameters​

column​

string

options​
signal?​

AbortSignal

Returns​

Promise<MappableArrayLike<T>>

Implementation of​

TableData.loadColumn

suggestColumnQueries()​

suggestColumnQueries(currentQuery): Promise<string[]>

Defined in: @tissuumaps-storage/src/parquet/ParquetTableData.ts:58

Parameters​

currentQuery​

string

Returns​

Promise<string[]>

Implementation of​

TableData.suggestColumnQueries