For the sake of making code better understandable follow naming conventions.
Notes
The query does not consider the routines that are a part of an extension. In the output data the query removes from the end of the routine name the numbers, which represent the object identifier of the routine in the system catalog. There could be multiple routines with the same name but with different parameters in the same schema (overloading). Thus, for the unique identification of the routine it is necessary to present also its parameters in addition to the schema name and routine name.
Type
Problem detection (Each row in the result could represent a flaw in the design)
Drop the routine and recreate with the improved parameter names.
Data Source
INFORMATION_SCHEMA+system catalog
SQL Query
WITH params AS (SELECT
specific_schema AS routine_schema,
regexp_replace(specific_name,'_[0-9]*$','') AS routine_name,
pg_get_function_identity_arguments(translate(substring(specific_name,'_[0-9]+$'),'_','')::int::oid) AS parameters,
ordinal_position,
data_type,
parameter_mode,
parameter_name
FROM
information_schema.parameters
WHERE parameter_mode IN ('IN','INOUT') AND specific_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL) AND NOT EXISTS (SELECT 1
FROM pg_catalog.pg_depend d inner join pg_catalog.pg_proc pc ON d.objid=pc.oid
WHERE EXISTS (SELECT 1 FROM pg_catalog.pg_extension e WHERE d.refobjid=e.oid) AND
pc.proname || '_' || pc.oid = parameters.specific_name))
SELECT routine_schema, routine_name, parameters, ordinal_position, data_type, parameter_mode, parameter_name
FROM params
WHERE routine_name NOT IN ('f_assume_you_must_use_files', 'f_check_format_comma_separated_list', 'f_check_password', 'f_default_value_with_no_match')
AND parameter_name NOT LIKE 'p\_%' AND
parameter_name NOT LIKE '\_%'
ORDER BY routine_schema, routine_name, parameters, ordinal_position;
Collections
This query belongs to the following collections:
Name
Description
Find problems automatically
Queries, that results point to problems in the database. Each query in the collection produces an initial assessment. However, a human reviewer has the final say as to whether there is a problem or not .
Categories
This query is classified under the following categories:
Name
Description
Naming
Queries of this category provide information about the style of naming.
User-defined routines
Queries of this category provide information about the user-defined routines