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.
|