Class RowGroupMetaData

Metadata for a Parquet row group.

Index

Methods

[dispose] column columns compressedSize free numColumns numRows totalByteSize

Methods

[dispose]

[dispose](): void
Returns void
- Defined in esm/parquet_wasm.d.ts:848

column

column(i): ColumnChunkMetaData
Returns column chunk metadata for ith column.
Parameters
- i: number
Returns ColumnChunkMetaData
- Defined in esm/parquet_wasm.d.ts:856

columns

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

Returns ColumnChunkMetaData[]
- Defined in esm/parquet_wasm.d.ts:860

compressedSize

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

Returns number
- Defined in esm/parquet_wasm.d.ts:872

free

free(): void
Returns void
- Defined in esm/parquet_wasm.d.ts:847

numColumns

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

Returns number
- Defined in esm/parquet_wasm.d.ts:852

numRows

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

Returns number
- Defined in esm/parquet_wasm.d.ts:864

totalByteSize

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

Returns number
- Defined in esm/parquet_wasm.d.ts:868