On Thu, Nov 25, 2021 at 9:13 AM Shaozhong SHI <shishaozhong@xxxxxxxxx> wrote:
Function difference not found.Should an extension created for finding it?
It's an operator (there may be a backing function that isn't documented)...
SELECT 5 - 2; -- yields 3, the difference of 5 and 2.
David J.