Columns of base tables that hold truth values but do not have a default value (Boolean columns)

Copy SQL

SELECT c.table_schema, c.table_name, c.column_name
FROM information_schema.columns AS c LEFT JOIN information_schema.column_domain_usage cdc ON 
c.table_schema=cdc.table_schema AND c.table_name=cdc.table_name AND c.column_name=cdc.column_name 
LEFT JOIN information_schema.domains d ON cdc.domain_schema=d.domain_schema AND cdc.domain_name=d.domain_name
WHERE (c.table_schema, c.table_name) IN (SELECT table_schema, table_name
FROM INFORMATION_SCHEMA.tables WHERE table_type='BASE TABLE') AND 
c.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) 
AND c.data_type='boolean' 
AND coalesce(c.column_default, domain_default) IS NULL
ORDER BY c.table_schema, c.table_name, c.ordinal_position;