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postgres隐式类型转换_plsql设置字段隐式类型

作者：秋刀鱼在做梦 | 2024-07-23 14:45:28

plsql设置字段隐式类型

--创建类型转换
CREATE CAST (INTEGER AS VARCHAR) WITH INOUT AS IMPLICIT;
CREATE CAST (VARCHAR AS INTEGER) WITH INOUT AS IMPLICIT;
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--查询当前的类型转换
select 
	(select typname from pg_type where oid = t.castsource) as "castsource",
	(select typname from pg_type where oid = t.casttarget) as "casttarget",
	castcontext,
	castmethod
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