GAUSS-01435：operator argument types must be specified in ALTER OPERATOR FAMILY SQLSTATE: 42601
错误码
错误描述：operator argument types must be specified in ALTER OPERATOR FAMILY SQLSTATE: 42601
错误原因：ALTER OPERATOR FAMILY … ADD OPERATOR，没有指定OPERATOR的参数类型。
解决方法：ALTER OPERATOR FAMILY … ADD OPERATOR，须得指定OPERATOR的参数类型。
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