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That must be a joy to edit. "Oh, a new error. Time to recompile the whole system!"

It's not an uncommon pattern: https://github.com/postgres/postgres/blob/master/src/backend...

I wasn't making any statement about how common it was, only about how impractical it was.

And soon enough you'll find that it is just more convenient to reuse a few error codes here and there, and soon enough applications just report "error -1: resource failure" or "internal failure" or some other meaningless thing. Far better to just return a string.

> Section: Class 57 - Operator Intervention > # (class borrowed from DB2)

> Section: Class 72 - Snapshot Failure > # (class borrowed from Oracle)

Nothing from SAP / ABAP ? :^)

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