表greenplum数据库中缺少分布键

Question

需要一个查询来在 Greenplum 的数据库中查找没有分配键的表。

Answer 1

select n.nspname,
    c.relname
from pg_class c
join pg_namespace n on c.relnamespace = n.oid
join gp_distribution_policy d on c.oid = d.localoid
where c.relkind = 'r'
and d.attrnums is null;