article/postgresql_and_edb/edb表空间查询.md

SELECT nspname || '.' || relname AS "relation",
               pg_size_pretty(pg_total_relation_size(C.oid)) AS "total_size"
        FROM pg_class C
        LEFT JOIN pg_namespace N ON (N.oid = C.relnamespace)
        WHERE nspname NOT IN ('pg_catalog', 'information_schema')
        AND C.relkind = 'r'
        ORDER BY pg_total_relation_size(C.oid) DESC;

 SELECT schemaname || '.' || relname AS "relation",
               pg_size_pretty(pg_total_relation_size(relid)) AS "total_size",
               pg_size_pretty(pg_table_size(relid) - pg_indexes_size(relid)) AS "table_size",
               pg_size_pretty(pg_indexes_size(relid)) AS "index_size",
               n_dead_tup
        FROM pg_stat_user_tables
        WHERE n_dead_tup > 0
        ORDER BY n_dead_tup DESC;