Key | Default | Type | Description
--- | --- | --- | ---
##### orc.column.encoding.direct | (none) | Integer | Comma-separated list of fields for which dictionary encoding is to be skipped in orc.
##### orc.dictionary.key.threshold | 0.8 | Double | If the number of distinct keys in a dictionary is greater than this fraction of the total number of non-null rows, turn off dictionary encoding in orc. Use 0 to always disable dictionary encoding. Use 1 to always use dictionary encoding.
##### orc.timestamp-ltz.legacy.type | true | Boolean | This option is used to be compatible with the paimon-orc's old behavior for the `timestamp_ltz` data type.