29th September 2022: PostgreSQL 15 RC 1 Released!
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54.10. pg_ident_file_mappings

The view pg_ident_file_mappings provides a summary of the contents of the client user name mapping configuration file, pg_ident.conf. A row appears in this view for each non-empty, non-comment line in the file, with annotations indicating whether the rule could be applied successfully.

This view can be helpful for checking whether planned changes in the authentication configuration file will work, or for diagnosing a previous failure. Note that this view reports on the current contents of the file, not on what was last loaded by the server.

By default, the pg_ident_file_mappings view can be read only by superusers.

Table 54.10. pg_ident_file_mappings Columns

Column Type

Description

line_number int4

Line number of this rule in pg_ident.conf

map_name text

Name of the map

sys_name text

Detected user name of the client

pg_username text

Requested PostgreSQL user name

error text

If not NULL, an error message indicating why this line could not be processed


Usually, a row reflecting an incorrect entry will have values for only the line_number and error fields.

See Chapter 21 for more information about client authentication configuration.