Expand description
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§
- Metadata for a column chunk.
- Builder for column chunk metadata.
- Builder for column index
- Metadata for a Parquet file.
- Builder for offset index
- Global Parquet metadata.
- Metadata for a row group.
- Builder for row group metadata.
Type Aliases§
- Reference counted pointer for
FileMetaData
. Index
for each row group of each column.PageLocation
for each datapage of each row group of each column.- Reference counted pointer for
RowGroupMetaData
.