- SELECT pg_database.datname, pg_size_pretty(pg_database_size(pg_database.datname)) AS size FROM pg_database ORDER BY pg_database_size(pg_database.datname);
Para listar las tablas con el tamaño ocupado en disco de cada una, pero solo del schema 'public' (probado en PostgreSql 8.1):
- SELECT tablename, pg_size_pretty(pg_total_relation_size(tablename)) FROM pg_tables WHERE schemaname = 'public' ORDER BY pg_total_relation_size(tablename);
Para que la última consulta funcione en Postgre 8:4, hay que utilizar casting:
- SELECT tablename, pg_size_pretty(pg_total_relation_size(tablename::TEXT)) FROM pg_tables WHERE schemaname = 'public' ORDER BY pg_total_relation_size(tablename::TEXT);
Esto lo probé en 8.1 y 8.4 (únicas versiones que tengo a mano).
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