Footer
Methods
- metadata() : Metadata
- The whole footer as Metadata, built on the first call.
- rowGroupChunks() : RowGroupChunks
- The footer narrowed to the given leaves, without building the row-group metadata of other columns.
- rowsNumber() : int
- schema() : Schema
- The file schema, without building the row-group metadata.
- totalByteSize() : int
- Σ row group total_byte_size (uncompressed), without building the row-group metadata.
Methods
metadata()
The whole footer as Metadata, built on the first call.
public
metadata() : Metadata
Return values
MetadatarowGroupChunks()
The footer narrowed to the given leaves, without building the row-group metadata of other columns.
public
rowGroupChunks(array<int, FlatColumn> $columns) : RowGroupChunks
Parameters
- $columns : array<int, FlatColumn>
Return values
RowGroupChunksrowsNumber()
public
rowsNumber() : int
Return values
intschema()
The file schema, without building the row-group metadata.
public
schema() : Schema
Return values
SchematotalByteSize()
Σ row group total_byte_size (uncompressed), without building the row-group metadata.
public
totalByteSize() : int