Bug #775: Unable to identify an operator '=' for types 'numeric' and 'double precision'

Daniel Serodio (daniel(at)checkforte(dot)com(dot)br) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
Unable to identify an operator '=' for types 'numeric' and 'double precision'

Long Description
If I create a table with a 'numeric' column, and try to make a query using a "large" numeric literal, it complains about not finding the '=' operator for types 'numeric' and 'double precision'.

CREATE TABLE test_numeric (value numeric);
INSERT INTO test_numeric (value) VALUES (5000469541);
SELECT * FROM test_numeric WHERE value = 5000469541;
ERROR: Unable to identify an operator '=' for types 'numeric' and 'double precision'
You will have to retype this query using an explicit cast

The same happens with the '+' operator, for example.

UPDATE test_numeric SET value = value + 14524565363;
ERROR: Unable to identify an operator '+' for types 'numeric' and 'double precision'
You will have to retype this query using an explicit cast

Sample Code

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