[erlang-questions] which one is more efficiency? ets or pattern match?

[饕餮]

erlang pattern match file could be written like :


-module(config).
get(1) -> 11,
get(2) -> 22,
.....
get(1000001) -> 12312,
get(_) -> none.


When I need get some data,
ets:lookup(some_table, some_value)
&
config:get(some_value)


Which one is more efficiency?
How much different between them?
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