PG_ATTRDEF stores default values of 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 |