Inconsistent means to calculate tsvector values

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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;