Module reader 

Structs

ParquetMetaDataReader

Reads ParquetMetaData from a byte stream, with either synchronous or asynchronous I/O.

Enums

NeedsIndexData 🔒

The bounds needed to read page indexes

PageIndexPolicy

Describes the policy for reading page indexes

Functions

dictionary_page_byte_range 🔒

Returns the [start, end) byte range of a column chunk’s dictionary page, or None if the column chunk has no dictionary page or is not a BYTE_ARRAY column (the only physical type decode_dictionary_page currently supports).

needs_index_data 🔒

Determines a single combined range of bytes needed to read the page indexes, or returns the metadata if no additional data is needed (e.g. if no page indexes are requested)

parse_index_data 🔒

Given a push decoder that has had the needed ranges pushed to it, attempt to decode indexes and return the updated metadata.