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STL_UNDONE
Displays information about transactions that have been undone.
This table 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)
