ALTER ROUTINE
ALTER ROUTINE - 更改例程的定义
语法格式
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_USER | SESSION_USER }
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
SET SCHEMA new_schema
ALTER ROUTINE name [ ( [ [ argmode ] [ argname ] argtype [, ...] ] ) ]
DEPENDS ON EXTENSION extension_name
其中action是下列之一:
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
说明
ALTER ROUTINE更改例程的定义,该例程可以是聚合函数,正常函数或过程。有关参数说明的说明,更多示例和更多详细信息,请参阅ALTER AGGREGATE, ALTER FUNCTION和 ALTERPROCEDURE。
示例
要将 integer 类型的例程 foo 重命名为 foobar :
ALTER ROUTINE foo(integer) RENAME TO foobar;
此命令将独立于 foo 是聚合,函数还是过程而工作。