# 改变常规

ALTER ROUTINE — 更改例程的定义

# 概要

ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
    action [ ... ] [ RESTRICT ]
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
    RENAME TO new_name
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
    OWNER TO { new_owner | CURRENT_ROLE | CURRENT_USER | SESSION_USER }
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
    SET SCHEMA new_schema
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
    [ NO ] DEPENDS ON EXTENSION extension_name

where action is one of:

    IMMUTABLE | STABLE | VOLATILE
    [ NOT ] LEAKPROOF
    [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER
    PARALLEL { UNSAFE | RESTRICTED | SAFE }
    COST execution_cost
    ROWS result_rows
    SET configuration_parameter { TO | = } { value | DEFAULT }
    SET configuration_parameter FROM CURRENT
    RESET configuration_parameter
    RESET ALL

# 描述

改变常规更改例程的定义,该例程可以是聚合函数、普通函数或过程。见下文改变聚合,改变功能, 和改变程序有关参数的描述、更多示例和更多详细信息。

# 例子

重命名例程对于类型整数富吧

ALTER ROUTINE foo(integer) RENAME TO foobar;

该命令将独立于是否是聚合、函数或过程。

# 兼容性

该声明部分兼容改变常规SQL 标准中的语句。见下文改变功能改变程序更多细节。允许例程名称引用聚合函数是 PostgreSQL 扩展。

# 也可以看看

改变聚合,改变功能,改变程序,放弃常规

请注意,没有创建例程命令。