PG_ATTRDEF¶
PG_ATTRDEF stores default values of columns.
Column | 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 |