ALTER TYPE .. 用于枚举更改

// Adding an enum value to an existing type
create.alterType("type").addValue("new_enum_value").execute();

// Renaming an enum value of an existing type to a new value
create.alterType("type").renameValue("old_enum_value").to("new_enum_value").execute();

// Move an enum type to a new schema
create.alterType("type").setSchema("new_schema").execute();