I am looking for a psql method to get the bigger value of two numbers.
For example,
methodName(12.6, 3.8)
select greatest(12.6,3.8);
It does not work for me,
select greatest(12.6,3.8);
ERROR: function greatest(numeric, numeric) does not exist
HINT: No function matches the given name and argument types. You may
need to add explicit type casts.
In 8.1 docs, it says that:
GREATEST(value [, ...])
LEAST(value [, ...])
* Note that GREATEST and LEAST are not in the SQL standard, but are a
common extension. *
Does it mean it is not allowed to use "select greatest(12.6,3.8)" ?
thanks
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