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mongo-ruby-driver
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if fields is [] return just _id

This commit is contained in:
Mike Dirolf 2009-08-19 09:57:15 -04:00
parent dcda70fddd
commit e64b7f3679
2 changed files with 2 additions and 1 deletions
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2
lib/mongo/collection.rb
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@ -85,7 +85,7 @@ module XGen
# http://www.mongodb.org/display/DOCS/How+to+do+Snapshotting+in+the+Mongo+Database # http://www.mongodb.org/display/DOCS/How+to+do+Snapshotting+in+the+Mongo+Database
def find(selector={}, options={}) def find(selector={}, options={})
fields = options.delete(:fields) fields = options.delete(:fields)
fields = nil if fields && fields.empty? fields = ["_id"] if fields && fields.empty?
offset = options.delete(:offset) || 0 offset = options.delete(:offset) || 0
limit = options.delete(:limit) || 0 limit = options.delete(:limit) || 0
sort = options.delete(:sort) sort = options.delete(:sort)

1
test/test_collection.rb
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@ -124,6 +124,7 @@ class TestCollection < Test::Unit::TestCase
assert @@test.find_one(nil, :fields => ["hello"]).include?("hello") assert @@test.find_one(nil, :fields => ["hello"]).include?("hello")
assert !@@test.find_one(nil, :fields => ["foo"]).include?("hello") assert !@@test.find_one(nil, :fields => ["foo"]).include?("hello")
assert_equal ["_id"], @@test.find_one(nil, :fields => []).keys()
assert_equal nil, @@test.find_one("hello" => "foo") assert_equal nil, @@test.find_one("hello" => "foo")
assert_equal nil, @@test.find_one(OrderedHash["hello", "foo"]) assert_equal nil, @@test.find_one(OrderedHash["hello", "foo"])