bug#6903: join: improve paralleles to sort?

[Paul Eggert]

On 08/24/2010 11:57 PM, Bernhard Schiffner wrote:
> 2146427       /LBAtoJM/ROOT/WEB-INF/lib/hibernate-3.2.0.cr3.jar
> 214618118     /temp/marketing_ms/emails.dat

That won't work, because the two lines are not sorted correctly.
Recall that join uses lexicographic comparison, not numeric.
Its input must be sorted lexicographically.

You can sort its output numerically later, if you prefer numeric
order.