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Add allow-disk-use option to aggregate

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This commit adds the ability to pass the allowDiskUse option through to
MongoDB by adding an additional, optional parameter to the aggregate
function.
This commit is contained in:
Bartek Marcinowski 2015-06-07 21:48:10 +01:00
parent 9cb54167c4
commit 4fa6511432
1 changed files with 3 additions and 3 deletions
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6
src/clojure/monger/collection.clj
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@ -24,7 +24,7 @@
* http://clojuremongodb.info/articles/deleting.html
* http://clojuremongodb.info/articles/aggregation.html"
(:refer-clojure :exclude [find remove count drop distinct empty? update])
(:import [com.mongodb Mongo DB DBCollection WriteResult DBObject WriteConcern
(:import [com.mongodb Mongo DB DBCollection WriteResult DBObject WriteConcern
DBCursor MapReduceCommand MapReduceCommand$OutputType]
[java.util List Map]
[clojure.lang IPersistentMap ISeq]
@ -494,8 +494,8 @@
"Executes an aggregation query. MongoDB 2.2+ only.
See http://docs.mongodb.org/manual/applications/aggregation/ to learn more."
[^DB db ^String coll stages]
(let [res (mc/command db {:aggregate coll :pipeline stages})]
[^DB db ^String coll stages & [^Boolean allow-disk-use]]
(let [res (mc/command db {:aggregate coll :pipeline stages :allowDiskUse (boolean allow-disk-use)})]
;; this is what DBCollection#distinct does. Turning a blind's eye!
(.throwOnError res)
(map #(from-db-object % true) (.get res "result"))))