[−][src]Module parquet::file::metadata
Contains information about available Parquet metadata.
The hierarchy of metadata is as follows:
ParquetMetaData
contains
FileMetaData
and zero or more
RowGroupMetaData
for each row group.
FileMetaData
includes file version, application specific
metadata.
Each RowGroupMetaData
contains information about row
group and one or more ColumnChunkMetaData
for
each column chunk.
ColumnChunkMetaData
has information about column
chunk (primitive leaf column), including encoding/compression, number of values, etc.
Structs
ColumnChunkMetaData | Metadata for a column chunk. |
ColumnChunkMetaDataBuilder | Builder for column chunk metadata. |
FileMetaData | Metadata for a Parquet file. |
ParquetMetaData | Global Parquet metadata. |
RowGroupMetaData | Metadata for a row group. |
RowGroupMetaDataBuilder | Builder for row group metadata. |
Type Definitions
ColumnChunkMetaDataPtr | Reference counted pointer for |
FileMetaDataPtr | Reference counted pointer for |
ParquetMetaDataPtr | Reference counted pointer for |
RowGroupMetaDataPtr | Reference counted pointer for |