GS_ENCRYPTED_COLUMNS
GS_ENCRYPTED_COLUMNS records information about encrypted columns in the encrypted equality feature. Each record corresponds to an encrypted column.
| Name | Type | Description |
|---|---|---|
| oid | oid | Row identifier (hidden column) |
| rel_id | oid | Table OID |
| column_name | name | Name of an encrypted column. |
| column_key_id | oid | Foreign key, which is the CEK OID |
| encryption_type | tinyint | Encryption type. The value can be 2 (DETERMINISTIC) or 1 (RANDOMIZED). |
| data_type_original_oid | oid | ID of the original data type of the encrypted column. For details about the value, see oid in the PG_TYPE system catalog. |
| data_type_original_mod | integer | Original data type modifier of the encrypted column. For details about the value, see atttypmod in the PG_ATTRIBUTE system catalog. The value of data_type_original_mod is generally –1 when data types are not specific. |
| create_date | timestamp without time zone | Time when an encrypted column is created |
