Class RowGroupMetaData

Metadata for a Parquet row group.

Index

Constructors

Methods

column columns compressedSize free numColumns numRows totalByteSize

Constructors

constructor

new RowGroupMetaData(): RowGroupMetaData
Returns RowGroupMetaData

Methods

column

column(i): ColumnChunkMetaData
Returns column chunk metadata for ith column.
Parameters
- i: number
Returns ColumnChunkMetaData
- Defined in node/parquet_wasm.d.ts:894

columns

columns(): ColumnChunkMetaData[]
Returns column chunk metadata for all columns

Returns ColumnChunkMetaData[]
- Defined in node/parquet_wasm.d.ts:899

compressedSize

compressedSize(): number
Total size of all compressed column data in this row group.

Returns number
- Defined in node/parquet_wasm.d.ts:914

free

free(): void
Returns void
- Defined in node/parquet_wasm.d.ts:883

numColumns

numColumns(): number
Number of columns in this row group.

Returns number
- Defined in node/parquet_wasm.d.ts:888

numRows

numRows(): number
Number of rows in this row group.

Returns number
- Defined in node/parquet_wasm.d.ts:904

totalByteSize

totalByteSize(): number
Total byte size of all uncompressed column data in this row group.

Returns number
- Defined in node/parquet_wasm.d.ts:909