Help Center/ GaussDB(DWS)/ Developer Guide/ Developer Guide (9.1.0.x)/ System Catalogs and System Views/ System Catalogs/ PG_ATTRDEF

Updated on 2024-09-02 GMT+08:00

View PDF

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	Column No.
adbin	pg_node_tree	Internal representation of the column's default value
adsrc	text	Internal representation of the human-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

Previous topic: PG_AMPROC

Next topic: PG_ATTRIBUTE

Feedback

Was this page helpful?

Helpful Not helpful

Provide feedback

Thank you very much for your feedback. We will continue working to improve the documentation.See the reply and handling status in My Cloud VOC.

The system is busy. Please try again later.

Which of the following issues have you encountered?

Content is inconsistent with the product UI

Unclear descriptions

Lack of examples or code

Incorrect steps

Can't find what I need

Lack of best practices

Feedback (optional)

0/500

Select at least one type of issue, and enter your comments or suggestions.

Enter a maximum of 500 characters.

Submit Cancel

For any further questions, feel free to contact us through the chatbot.