[racket] db connection-pool tip

Are you saying that Ryan should add an appropriate warning to the documentation? -- Matthias



On Aug 21, 2012, at 6:33 PM, Neil Van Dyke wrote:

> When using the "db" collection's "connection-pool" procedure, important safety tip: it uses the "current-custodian" from the context in which "connection-pool" is applied.
> 
> (This sounds obvious when stated, but you might not realize it if you retrofitted "connection-pool" into a legacy app, in which the app would transparently create new "connection-pool"s on demand (within short-lived threads, ahem), and your first recycled connection would have "connected?" true before failing with exception "query: not connected", and there were a dozen things you debugged first before your attention is directed back at "connection-pool"...)
> 
> Neil V.
> 
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