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Adding support for start and end key swapping with descending

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This commit is contained in:
Sam Lown 2011-04-15 19:24:06 +02:00
parent cacc320235
commit 2eed3581af
3 changed files with 30 additions and 3 deletions
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14
lib/couchrest/model/designs/view.rb
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@ -239,11 +239,19 @@ module CouchRest
end
# The results should be provided in descending order.
# The results should be provided in descending order. If the startkey or
# endkey query options have already been seen set, calling this method
# will automatically swap the options around. If you don't want this,
# simply set descending before any other option.
#
# Descending is false by default, this method will enable it and cannot
# be undone.
# Descending is false by default, and this method cannot
# be undone once used, it has no inverse option.
def descending
if query[:startkey] || query[:endkey]
query[:startkey], query[:endkey] = query[:endkey], query[:startkey]
elsif query[:startkey_docid] || query[:endkey_docid]
query[:startkey_docid], query[:endkey_docid] = query[:endkey_docid], query[:startkey_docid]
end
update_query(:descending => true)
end