GAUSS-01448：procedure number %d for (%s,%s) appears more than once SQLSTATE: 42P17
错误码
错误描述：procedure number %d for (%s,%s) appears more than once SQLSTATE: 42P17
错误原因：CREATE OPERATOR CLASS、ALTER OPERATOR FAMILY … ADD/DROP procedure，相同的函数出现了多次。
解决方法：CREATE OPERATOR CLASS、ALTER OPERATOR FAMILY … ADD/DROP procedure，确保一个SQL语句中不要出现重复函数。
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