I have define a type arc,but i do not define the +(arc,arc) operator,instead of +(arc,cstring)when i delete the +(arc,cstring),the pgadmin3 tells me a error: ERROR:operator does not exist:arc+arc
I have define a type arc,but i do not define the +(arc,arc) operator,instead of +(arc,cstring)when i delete the +(arc,cstring),the pgadmin3 tells me a error: ERROR:operator does not exist:arc+arc
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