Help Center/ GaussDB(DWS)/ Developer Guide/ Developer Guide (9.1.0.x)/ GaussDB(DWS) System Catalogs and Views/ System Catalogs/ PG_EXTENSION_DATA_SOURCE
Updated on 2025-07-22 GMT+08:00
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PG_EXTENSION_DATA_SOURCE

PG_EXTENSION_DATA_SOURCE records information about external data source. 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; must be explicitly selected)

srcname

Name

-

Name of an external data source

srcowner

OID

PG_AUTHID.oid

Owner of an external data source

srctype

Text

-

Type of an external data source. It is NULL by default.

srcversion

Text

-

Type of an external data source. It is NULL by default.

srcacl

aclitem[]

-

Access permissions

srcoptions

Text[]

-

Option used for foreign data sources. It is a keyword=value string.
Parent Topic: System Catalogs