Functions for Obtaining the Residual File List

pg_get_residualfiles()

Description: Obtains all residual file records of the current node. This function is an instance-level function and is irrelevant to the current database. It can run on any instance.

Parameter type: none

Return type: record

The following table describes return columns.

Column	Type	Description
isverified	bool	Verified or not
isdeleted	bool	Deleted or not
dbname	text	Database name
residualfile	text	Data file path
filepath	text	Residual file path
notes	text	Notes

Example:

    
         SELECT * FROM pg_get_residualfiles();
 isverified | isdeleted | dbname |   residualfile    |         filepath          | notes 
------------+-----------+--------+-------------------+---------------------------+-------
 f          | f         | db2    | base/49155/114691 | pgrf_20200908160211441546 | 
 f          | f         | db2    | base/49155/114694 | pgrf_20200908160211441546 | 
 f          | f         | db2    | base/49155/114696 | pgrf_20200908160211441546 | 
(3 rows)

pgxc_get_residualfiles()

Description: Unified CN query function of pg_get_residualfiles() This function is a cluster-level function and is irrelevant to the current database. It runs on CNs.

Parameter type: none

Return type: record

The following table describes return columns.

Column	Type	Description
nodename	text	Node name
isverified	bool	Verified or not
isdeleted	bool	Deleted or not
dbname	text	Database name
residualfile	text	Data file path
filepath	text	Residual file path
notes	text	Notes

Example:

    
         SELECT * FROM pgxc_get_residualfiles();
   nodename   | isverified | isdeleted |  dbname  |   residualfile    |         filepath          | notes 
--------------+------------+-----------+----------+-------------------+---------------------------+-------
 cn_5001      | f          | f         | postgres | base/15092/32803  | pgrf_20200910170129360401 | 
 dn_6001_6002 | f          | f         | db2      | base/49155/114691 | pgrf_20200908160211441546 | 
 dn_6001_6002 | f          | f         | db2      | base/49155/114694 | pgrf_20200908160211441546 | 
 dn_6001_6002 | f          | f         | db2      | base/49155/114696 | pgrf_20200908160211441546 | 
(4 rows)