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doc-exports/docs/dws/dev/dws_04_0572.html
Lu, Huayi ef0ada5a59 DWS DEV 20240716 version 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>
2024-11-02 09:07:47 +00:00

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PG_ATTRDEF

PG_ATTRDEF stores default values of columns.

Table 1 PG_ATTRDEF columns

Name

Type

Description

adrelid

oid

Table to which the column belongs

adnum

smallint

Number of the column

adbin

pg_node_tree

Internal representation of the default value of the column

adsrc

text

Internal representation of the readable default value

adbin_on_update

pg_node_tree

Internal representation of the value of on_update_expr

adsrc_on_update

text

Internal representation of the human-readable value of on_update_expr
Parent topic: System Catalogs