concat_ws ('', t.typname,SUBSTRING(format_type (a.atttypid,a.atttypmod)from'\(.*\)'))as字段类型frompg_class c, pg_attribute a, pg_type t, pg_description dwherea.attnum>0anda.attrelid=c.oidanda.atttypid=t.oidandd.ob
一、查看pg 表字段‘名称’、‘类型’、‘非空’、‘注释’ SELECT a.attname as 字段名, format_type(a.atttypid,a.atttypmod) as 类型, a.attnotnull as 非空, col_description(a.attrelid,a.attnum) as 注释 FROM pg_class as c,pg_attribute as a where a.attrelid = c.oid and a.attnu...
format_type(a.atttypid, a.atttypmod) as atttype, (SELECT substring(pg_catalog.pg_get_expr(d.adbin, d.adrelid, true) for 128) FROM pg_catalog.pg_attrdef d WHERE d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef) as attdefault, a.attnotnull, (SELECT c.coll...
cols_name_type_str, upper(arg_schema_name), upper(arg_table_name) ); EXECUTE local_sql; out_info := out_info || format(E'Run: %s\n', local_sql); -- 把Oracle中的远程的表映射到本地的一个外部表上 local_sql := format ( E'CREATE FOREIGN TABLE fdw___%s ( \n'|| E'%s )'...
在我们创建一个表的同时,实际上会自动创建一个以这个表名为命名的type, 所以昨天根本不是什么问题,是我的失误。 通过下面的语句可以看到你的数据库中到底有没有composite 的类型以及他的名字 代码语言:javascript 代码运行次数:0 运行 AI代码解释 SELECTn.nspnameASschema,pg_catalog.format_type(t.oid,NULL)ASna...
(format_type(pg_attribute.atttypid, pg_attribute.atttypmod))::character varying AS typelen, (col_description(pg_attribute.attrelid, (pg_attribute.attnum)::integer))::character varying AS comment, CASE when pg_attribute.attnotnull = 't' then 'NOT NULL' ELSE '' ...
concat_ws('',t.typname,SUBSTRING(format_type(a.atttypid,a.atttypmod) from '(.*)')) as "字段类型" FROM pg_class as c, pg_attribute as a, pg_type as t WHERE c.relname = 't_batch_task' and a.atttypid = t.oid and a.attrelid = c.oid ...
attnameAS字段名称,split_part(col_description(A.attrelid,A.attnum),'：',1)AS注释,format_type(...
pg_catalog.format_type(a.atttypid, a.atttypmod) as column_type, CASE WHEN (SELECT substring(pg_catalog.pg_get_expr(d.adbin, d.adrelid) for 128) FROM pg_catalog.pg_attrdef d WHERE d.adrelid = a.attrelid AND d.adnum = a.attnum AND a.atthasdef) IS NOT NULL THEN ...
format_type ( type oid, typemod integer ) → text 返回由其类型OID和可能的类型修饰符标识的数据类型的SQL名称。如果没有已知的类型修饰符,则传递NULL值给类型修饰符。 pg_get_constraintdef ( constraint oid [, pretty boolean ] ) → text 重构为了约束的创建命令。(这是一个反编译的重构,而不是命令的...