GAUSS-01447：associated data types must be specified for index support procedure SQLSTATE: 42P17
错误码
错误描述：associated data types must be specified for index support procedure SQLSTATE: 42P17
错误原因：CREATE OPERATOR CLASS没有指定合法的FOR TYPE data_type，ALTER OPERATOR FAMILY … ADD OPERATOR没有指定左或右参数类型。
解决方法：CREATE OPERATOR CLASS必须指定合法的FOR TYPE data_type，ALTER OPERATOR FAMILY … ADD OPERATOR须得指定左参数类型或者右参数类型。
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