PROJECTION_CHECKPOINT_EPOCHS

提供有关检查点时期的详细信息,仅适用于 Enterprise 模式。

特权

非超级用户:不需要任何显式权限。您只会看到您有权查看的表的记录。

示例

=> SELECT node_name, projection_schema, projection_name, is_up_to_date, checkpoint_epoch FROM projection_checkpoint_epochs
    WHERE projection_name ilike 't1_b%' ORDER BY projection_name, node_name;
    node_name     | projection_schema | projection_name | is_up_to_date | checkpoint_epoch
------------------+-------------------+-----------------+---------------+------------------
 v_vmart_node0001 | public            | t1_b1           | t             |              965
 v_vmart_node0002 | public            | t1_b1           | t             |              965
 v_vmart_node0003 | public            | t1_b1           | t             |              965
 v_vmart_node0001 | public            | t1_b0           | t             |              965
 v_vmart_node0002 | public            | t1_b0           | t             |              965
 v_vmart_node0003 | public            | t1_b0           | t             |              965
(6 rows)

dbadmin=> INSERT INTO t1 VALUES (100, 101, 102);
 OUTPUT
--------
      1
(1 row)

dbadmin=> COMMIT;
COMMIT
dbadmin=> SELECT node_name, projection_schema, projection_name, is_up_to_date, checkpoint_epoch FROM projection_checkpoint_epochs
           WHERE projection_name ILIKE 't1_b%' ORDER BY projection_name, node_name;
    node_name     | projection_schema | projection_name | is_up_to_date | checkpoint_epoch
------------------+-------------------+-----------------+---------------+------------------
 v_vmart_node0001 | public            | t1_b1           | t             |              966
 v_vmart_node0002 | public            | t1_b1           | t             |              966
 v_vmart_node0003 | public            | t1_b1           | t             |              966
 v_vmart_node0001 | public            | t1_b0           | t             |              966
 v_vmart_node0002 | public            | t1_b0           | t             |              966
 v_vmart_node0003 | public            | t1_b0           | t             |              966
(6 rows)