> On 11 Feb 2015, at 11:30, Alexander Shorin <[email protected]> wrote: > > On Wed, Feb 11, 2015 at 1:25 PM, Mike Marino <[email protected]> wrote: >> On Wed, Feb 11, 2015 at 11:18 AM, Alexander Shorin <[email protected]> wrote: >>> >>> As for btree, it allows to deduplicate map functions result. Say, you >>> need to apply different reduce functions onto the same map function. >>> You'll create two views with the same maps and different reduces. On >>> disk, only one map result will be stored. >>> >> >> This is interesting. How does Couch know that they are the same map >> function if they are in separate views? Is this simply a string comparison? > > By source code hash iirc.
That is correct.
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