GS_ENCRYPTED_COLUMNS

GS_ENCRYPTED_COLUMNS records information about encrypted columns in the encrypted equality feature. Each record corresponds to an encrypted column.

**Table 1** GS_ENCRYPTED_COLUMNS columns
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