Help Center/Data Warehouse Service/SQL Syntax Reference (9.1.0.x)/Functions and Operators/Residual File Management Functions/Functions for Obtaining the Residual File List
Updated on 2025-09-18 GMT+08:00
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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.

Return type: record

The following information is displayed:

Table 1 pg_get_residualfiles () return fields

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:

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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.

Return type: record

The following information is displayed:

Table 2 pgxc_get_residualfiles () return fields

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:

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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)
Parent Topic: Residual File Management Functions