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mongo-ruby-driver
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don't send a getmore immediately after every query

This commit is contained in:
Mike Dirolf 2009-08-18 17:36:53 -04:00
parent 2ef660986d
commit dcda70fddd
2 changed files with 64 additions and 3 deletions
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10
lib/mongo/cursor.rb
View File

@ -206,8 +206,9 @@ module XGen
end
def refill_via_get_more
send_query_if_needed
return if @cursor_id == 0
if send_query_if_needed or @cursor_id == 0
return
end
@db._synchronize {
@db.send_to_db(GetMoreMessage.new(@admin ? 'admin' : @db.name, @collection.name, @cursor_id))
read_all
@ -227,12 +228,15 @@ module XGen
def send_query_if_needed
# Run query first time we request an object from the wire
unless @query_run
if @query_run
false
else
@db._synchronize {
@db.send_query_message(QueryMessage.new(@admin ? 'admin' : @db.name, @collection.name, @query))
@query_run = true
read_all
}
true
end
end

57
test/test_cursor.rb
View File

@ -145,4 +145,61 @@ class CursorTest < Test::Unit::TestCase
end
end
def test_kill_cursors
@@coll.drop
client_cursors = @@db.db_command("cursorInfo" => 1)["clientCursors_size"]
by_location = @@db.db_command("cursorInfo" => 1)["byLocation_size"]
10000.times do |i|
@@coll.insert("i" => i)
end
assert_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
10.times do |i|
@@coll.find_one()
end
assert_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
10.times do |i|
a = @@coll.find()
a.next_object()
a.close()
end
assert_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
a = @@coll.find()
a.next_object()
assert_not_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_not_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
a.close()
assert_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
a = @@coll.find({}, :limit => 10).next_object()
assert_equal(client_cursors,
@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
assert_equal(by_location,
@@db.db_command("cursorInfo" => 1)["byLocation_size"])
end
end