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The generic names (columns) (aggregate view)

Query goal: Find the too generic column names and the number of their occurrences.
Notes about the query: The query considers both names in English and in Estonian.
Query type: Problem detection (Each row in the result could represent a flaw in the design)
Query reliability: Medium (Medium number of false-positive results)
Query license: MIT License
Data source: INFORMATION_SCHEMA+system catalog
SQL query: Click on query to copy it

WITH columns AS (SELECT table_schema, table_name, table_type || ' COLUMN' AS suspected_object_type, column_name AS suspected_name, data_type
FROM information_schema.columns INNER JOIN information_schema.tables USING (table_schema, table_name)
UNION SELECT nspname, relname, 'MATERIALIZED VIEW COLUMN' AS type, attname, typname
FROM pg_class INNER JOIN pg_namespace ON pg_class.relnamespace=pg_namespace.oid
INNER JOIN pg_attribute ON pg_class.oid=pg_attribute.attrelid INNER JOIN pg_type ON
pg_attribute.atttypid=pg_type.oid
WHERE relkind = 'm' AND attnum>=1)

SELECT translate(suspected_name,'0123456789_','') AS suspected_name, Count(*) AS nr_of_occurrences
FROM columns
WHERE (suspected_name~*'(andme(?!(baas|[_]*tyyp))|data(?!(base|[_]{0,1}type))|info|veerg|column)' 
OR suspected_name~*'^[^[:alpha:]]*(id|tyyp|tuup|kood|aeg|kp|type|code|time|date|fk|pk|value|info|data|number)[^[:alpha:]]*$' 
OR suspected_name~*'^expr[[:digit:]]*$'
OR (suspected_object_type ILIKE '%VIEW%' AND suspected_name~*'^[^[:alpha:]]*(nimi|nimetus|kommentaar(id){0,1}|kirjeldus(ed){0,1}|staatus|seisund|olek|tyyp|tüüp|name(s){0,1}|comment(s){0,1}|description(s){0,1}|explanation(s){0,1}|state|status|type)[^[:alpha:]]*$') 
) 
AND table_schema NOT IN (SELECT schema_name
FROM INFORMATION_SCHEMA.schemata
WHERE schema_name<>'public' AND
schema_owner='postgres' AND schema_name IS NOT NULL)
GROUP BY translate(suspected_name,'0123456789_','')
ORDER BY Count(*) DESC, suspected_name;

Collections where the query belongs to

Collection nameCollection description
Find problems about namesA selection of queries that return information about the names of database objects. Contains all the types of queries - problem detection, software measure, and general overview.
Find problems automaticallyQueries, 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 where the query belongs to

Category nameCategory description
Derived tablesQueries of this category provide information about the derived tables (views, materialized views), which are used to implement virtual data layer.
NamingQueries of this category provide information about the style of naming.

The list of all the queries