Alex Hunsaker <bada...@gmail.com> writes:
> On Fri, Aug 6, 2010 at 02:12, Adam Radlowski
>> select round(any_numeric_field*something,2) from any_table;
>> I get information, that the function dos not exist.
> Can we get the exact *input* and the error? I cant replicate it here:
> select round(100::numeric*100, 2);
I'm betting that by "any_numeric_field", the OP actually means a float
field, or perhaps his "something" was float. There's no float variant of
two-parameter round():
regression=# \df round
List of functions
Schema | Name | Result data type | Argument data types | Type
------------+-------+------------------+---------------------+--------
pg_catalog | round | double precision | double precision | normal
pg_catalog | round | numeric | numeric | normal
pg_catalog | round | numeric | numeric, integer | normal
(3 rows)
Fix would be to cast the function's first parameter to numeric.
Or if you can't fool with the generated SQL, make your own
round(float8, int) that does that.
regards, tom lane
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