PG_EXTENSION_DATA_SOURCE
PG_EXTENSION_DATA_SOURCE records information about external data sources. An external data source contains information about an external database, such as its password encoding. It is mainly used with Extension Connector.
Table 1 PG_EXTENSION_DATA_SOURCE columns
| Name | Type | Reference | Description | 
|---|
| oid | oid | - | Row identifier (hidden attribute, which must be specified) | 
| srcname | name | - | Name of an external data source | 
| srcowner | oid | PG_AUTHID.oid | Owner of a foreign data source | 
| srctype | text | - | Type of an external data source. It is NULL by default. | 
| srcversion | text | - | Version of an external data source. It is NULL by default. | 
| srcacl | aclitem[] | - | Access permissions. | 
| srcoptions | text[] | - | Option used for foreign data sources, expressed in a string in the format of keyword=value | 
openGauss 2025-10-31 07:42:18