Gbase 8C backup control function (IV)

pg_cbm_get_changed_block(startLSNArg text, endLSNArg text)

describe ： Used to specify lsn Within the scope of cbm The files are merged into a table , And return the records of each row of the table .

return type ：records

remarks ：pg_cbm_get_changed_block The returned table fields contain ： Merge start lsn、 Merger ended lsn、 Table space oid、 library oid、 Tabular relfilenode、 Tabular fork number、 Whether the table is deleted 、 Whether the table is created 、 Whether the table is truncated 、 The number of pages after the table is truncated 、 A list of how many pages have been modified and the page numbers modified .

pg_cbm_recycle_file(targetLSNArg text)

describe ： Remove unused cbm file , And return to the first item after deletion lsn.

return type ：text

pg_cbm_force_track(targetLSNArg text,timeOut int)

describe ： To enforce once cbm Trace to the specified xlog Location , And return to the actual tracking end point xlog Location .

return type ：text

pg_enable_delay_ddl_recycle()

describe ： Opening delay DDL function , And return to the opening point xlog Location . You need to open the administrator role or the operation and maintenance administrator role operate_mode.

return type ：text

pg_disable_delay_ddl_recycle(barrierLSNArg text, isForce bool)

describe ： Close the delay DDL function , And return to this delay DDL Effective xlog Range . You need to open the administrator role or the operation and maintenance administrator role operate_mode.

return type ：records

pg_enable_delay_xlog_recycle()

describe ： Opening delay xlog Recycling function , The database master node is repaired and used .

return type ：void

pg_disable_delay_xlog_recycle()

describe ： Close the delay xlog Recycling function , The database master node is repaired and used .

return type ：void