云数据库 GAUSSDB-CREATE TYPE:语法格式

时间：2024-01-23 20:09:10

云数据库 GAUSSDB

语法格式

CREATE TYPE name AS
    ( [ attribute_name data_type [ COLLATE collation ] [, ... ] ] );

CREATE TYPE name (
    INPUT = input_function,
    OUTPUT = output_function
    [ , RECEIVE = receive_function ]
    [ , SEND = send_function ]
    [ , TYPMOD_IN =
type_modifier_input_function ]
    [ , TYPMOD_OUT =
type_modifier_output_function ]
    [ , ANALYZE = analyze_function ]
    [ , INTERNALLENGTH = { internallength |
VARIABLE } ]
    [ , PASSEDBYVALUE ]
    [ , ALIGNMENT = alignment ]
  [ , STORAGE = storage ]
    [ , LIKE = like_type ]
    [ , CATEGORY = category ]
    [ , PREFERRED = preferred ]
    [ , DEFAULT = default ]
    [ , ELEMENT = element ]
    [ , DELIMITER = delimiter ]
    [ , COLLATABLE = collatable ]
);

CREATE TYPE name;

CREATE TYPE name AS ENUM
    ( [ 'label' [, ... ] ] );

CREATE TYPE name AS TABLE OF data_type;

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