• Data Warehouse Service

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  5. PG_EXTENSION

PG_EXTENSION

PG_EXTENSION stores information about the installed extensions. DWS has seven default extensions, that is, PLPGSQL, DIST_FDW, FILE_FDW, HDFS_FDW, HSTORE, PLDBGAPI, and DIMSEARCH.

Table 1 PG_EXTENSION

Name

Type

Description

extname

name

Extension name

extowner

oid

Owner of the extension

extnamespace

oid

Namespace containing the extension's exported objects

extrelocatable

Boolean

Whether the extension can be relocated to another namespace. True indicates that relocation is allowed.

extversion

text

Version number of the extension

extconfig

oid[]

Configuration information about the extension

extcondition

text[]

Filter conditions for the extension's configuration information