Goal Find as to whether in the database there are multiple ways to calculate tsvector values, i.e., by using a generated column and by not using a generated column.
Type Problem detection (Each row in the result could represent a flaw in the design)
Reliability Medium (Medium number of false-positive results)
License MIT License
Data Source INFORMATION_SCHEMA only
SQL Query
WITH tsv_columns AS (SELECT table_schema, table_name, column_name, data_type, generation_expression, is_generated, ordinal_position
FROM INFORMATION_SCHEMA.columns
WHERE (table_schema, table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') 
AND data_type='tsvector'
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))
SELECT table_schema, table_name, column_name, data_type, generation_expression, is_generated
FROM tsv_columns
WHERE EXISTS (SELECT * FROM tsv_columns WHERE is_generated='ALWAYS')
AND EXISTS (SELECT * FROM tsv_columns WHERE is_generated='NEVER')
ORDER BY table_schema, table_name, ordinal_position;

Collections

This query belongs to the following collections:

NameDescription
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

This query is classified under the following categories:

NameDescription
Full text searchQueries of this category provide information about full text search
Generated columnsQueries of this category provide information about generated stored base table columns.
InconsistenciesQueries of this catergory provide information about inconsistencies of solving the same problem in different places.