DB4AI.PREPARE_SNAPSHOT_INTERNAL
PREPARE_SNAPSHOT_INTERNAL is a built-in execution function of the DB4AI.PREPARE_SNAPSHOT function. The function involves information verification and cannot be directly invoked.
Table 1 DB4AI.PREPARE_SNAPSHOT_INTERNAL input parameters and return values
Parameter | Type | Description |
|---|
s_id | IN BIGINT | Snapshot ID |
p_id | IN BIGINT | Parent snapshot ID |
m_id | IN BIGINT | Matrix ID |
r_id | IN BIGINT | Root snapshot ID |
i_schema | IN NAME | Snapshot schema |
i_name | IN NAME | Snapshot name |
i_commands | IN TEXT[] | DDL and DML commands for modifying snapshots |
i_comment | IN TEXT | Snapshot description |
i_owner | IN NAME | Snapshot owner |
i_idx | INOUT INT | Command index |
i_exec_cmds | INOUT TEXT[] | DDL and DML commands for execution |
i_mapping | IN NAME[] | Maps user columns to backup columns. A rule is generated if the value is not NULL. |
openGauss 2025-10-31 07:42:18