SELECT table_schema, table_name, column_name, data_type, character_maximum_length
FROM INFORMATION_SCHEMA.columns
WHERE data_type~*'(char|text)'
AND column_name~*'(file|fail|path|tee|picture|photo|drawing|pilt|joonis|sound|heli|video)'
AND column_name!~*'(type|size|profile|prefix|suffix|tyyp|suurus|http|ftp|fax|db_|(file|bin).*data|content|raw|sisu)'
AND (character_maximum_length>4 OR character_maximum_length IS NULL)
AND (table_schema, table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') 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)
ORDER BY table_schema, table_name, ordinal_position;
Collections
This query belongs to the following collections:
Name
Description
Find problems about base tables
A selection of queries that return information about the data types, field sizes, default values as well as general structure of base tables. Contains all the types of queries - problem detection, software measure, and general overview
Categories
This query is classified under the following categories:
Name
Description
Database design antipatterns
Queries of this category provide information about possible occurrences of SQL database design antipatterns.
Result quality depends on names
Queries of this category use names (for instance, column names) to try to guess the meaning of a database object. Thus, the goodness of names determines the number of false positive and false negative results.
Structure of base tables
Queries of this category provide information about the structuring of base tables at the database conceptual level
Further reading and related materials:
Reference
This is one of the antipatterns from the Bill Karwin's book of SQL antipatterns. See Chapter 12: Phantom Files.