ALTER TYPE Synopsis Description Parameters Notes Examples Compatibility See Also ALTER TYPE ALTER TYPE — change the definition of a type Synopsis ALTER TYPE name acti...

CREATE TYPE 功能描述 注意事项 语法格式 参数说明 示例 相关链接 CREATE TYPE 功能描述 在当前数据库中定义一种新的数据类型。定义数据类型的用户将成为该数据类型的拥有者。类型只适用于行存表 有四种形式的CREATE TYPE，分别为：复合类型、基本类型、shell类型和枚举类型。 复合类型 复合类型由一...

Type grammar Paths and generics Union Nilable Pointer StaticArray Tuple NamedTuple Proc self class Underscore typeof Type grammar When: specifying type restrictio...

ALTER TYPE 功能描述 注意事项 语法格式 参数说明 示例 相关链接 ALTER TYPE 功能描述 修改一个类型的定义。 注意事项 只有类型的所有者或者被授予了类型ALTER权限的用户可以执行ALTER TYPE命令，系统管理员默认拥有此权限。但要修改类型的所有者或者修改类型的模式，当前用户必须是该类型的所有者或者系统...

ALTER TYPE 功能描述 语法格式 参数说明 示例 相关链接 ALTER TYPE 功能描述 修改一个类型的定义。 语法格式 修改类型 ALTER TYPE name action [, ... ] ALTER TYPE name OWNER TO { new_owner | CURRENT_USE...

DROP TYPE Synopsis Description Parameters Examples Compatibility See Also DROP TYPE Removes a data type. Synopsis DROP TYPE [ IF EXISTS ] <name> [, ...] [ CAS...

Type exists API Deprecated in 7.0.0. Request Path parameters Response codes Type exists API Deprecated in 7.0.0. Types are deprecated and are in the process of being remo...

Function Type Function Type To store a function as an lval we need to think exactly what it consists of. Using the previous definition, a function should consists of three pa...

CREATE TYPE Synopsis Description Parameters Notes Examples Compatibility See Also CREATE TYPE Defines a new data type. Synopsis CREATE TYPE <name> AS ( <attribut...

Type relations Type relations The following section defines several relations on types that are needed to describe the type checking done by the compiler.