Steve Crawford <scrawford@pinpointresearch.com> writes:
> Alternately, you could prepend 1+ alpha characters to the customer
> numbers to create names like c123456 or cust123456 which don't need to
> be quote-enclosed.
I'd recommend that too. Quite aside from the quoting problem, this
will save you tons of confusion if you ever have to deal with database
OIDs (during disaster recovery perhaps).
regards, tom lane