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PostgreSQL 命令-ALTER AGGREGATE
修改一个聚集函数的定义 。
ALTER AGGREGATE _name_ ( _argtype_ [ , ... ] ) RENAME TO _new_name_
ALTER AGGREGATE _name_ ( _argtype_ [ , ... ] ) OWNER TO _new_owner_
ALTER AGGREGATE _name_ ( _argtype_ [ , ... ] ) SET SCHEMA _new_schema_
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