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Editorial Team
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Asked: 2026-06-02T20:07:47+00:00

My database has implicit cast from integer to text, so I’m getting some ‘operator

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My database has implicit cast from integer to text, so I’m getting some ‘operator is not unique’ issues. I’m trying to delete the operator || (text, anynonarray) with no success, the error message is

ERROR: cannot drop operator ||(text,anynonarray) because it is required by the database system
SQL state: 2BP01

I have another database that doesn’t have this operator, so I think is possible somehow. I cannot add explicit casts in hundreds of queries, neither remove the implicit casts. There’s a way to force the remotion of this operator?

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1 Answer

  1. Editorial Team

    Seems I got it. The trick is to delete right from the pg_operator table.

    delete from pg_operator where oprname = '||' and (oprleft = 25 or oprleft = 2776 ) and oprleft != oprright

    Because I wanted to delete these operators:

    OPERATOR ||("text", anynonarray);

    OPERATOR ||(anynonarray, "text");

    I don’t know if there are any implications though, seems ok till now.

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