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.

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    openGauss 2024-04-21 00:47:23
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