PostgreSQL获取数据库中所有table名:
SELECT tablename FROM pg_tables
WHERE tablename NOT LIKE 'pg%'
AND tablename NOT LIKE 'sql_%'
ORDER BY tablename;
PostgreSQL获取数据库中所有table名及table的注解信息:
SELECT tablename,obj_description(relfilenode,'pg_class') FROM pg_tables a, pg_class b
WHERE
a.tablename = b.relname
and a.tablename NOT LIKE 'pg%'
AND a.tablename NOT LIKE 'sql_%'
ORDER BY a.tablename;
PostgreSQL获取指定table的所有字段信息:
SELECT col_description(a.attrelid,a.attnum) as comment,format_type(a.atttypid,a.atttypmod) as type,a.attname as name, a.attnotnull as notnull
FROM pg_class as c,pg_attribute as a
where c.relname = 'tablename' and a.attrelid = c.oid and a.attnum>0