How Encodings Work - Altinity/parquet-regression GitHub Wiki
Encodings
Encodings are set automatically by the writer for each column. Despite that the user can can choose to disable ro enable
DICITIONARY
encoding for the whole file by specifying the value for dictionary_encoding
in the options.
"options": {
"dictionary_encoding": "true",
}
The encodings change based on the writerVersion
. Read more in the Choosing the Writer Version