It sounds quite interesting, do you have further resources that one can look into to learn more on this.
Fowler has a book about enterprise patterns in general including the data mapper, although I have to admit I haven't read it. Other than that, your best bet is probably to learn by doing. Massive has an interactive REPL and extensive documentation if you do Node, or you could look at some of the other implementations from the Wikipedia article.
Thanks for the pointes Dian, I really appreciate it.
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