STL_UNDONE

Displays information about transactions that have been undone.

This view is visible to all users. Superusers can see all rows; regular users can see only their own data. For more information, see Visibility of data in system tables and views.

Table columns

Column name	Data type	Description
userid	integer	ID of the user who generated the entry.
xact_id	bigint	ID for the undo transaction.
xact_id_undone	bigint	ID for the transaction that was undone.
undo_start_ts	timestamp	Start time for the undo transaction.
undo_end_ts	timestamp	End time for the undo transaction.
table_id	bigint	ID for the table that was affected by the undo transaction.

Sample query

To view a concise log of all undone transactions, type the following command:

select xact_id, xact_id_undone, table_id from stl_undone;

This command returns the following sample output:

 xact_id | xact_id_undone | table_id
---------+----------------+----------
1344 |           1344 |   100192
1326 |           1326 |   100192
1551 |           1551 |   100192
(3 rows)