From 682e8e8ab6e2596fe968d752f9139f6fb072eddd Mon Sep 17 00:00:00 2001 From: Brian Gough Date: Tue, 10 Feb 2015 16:54:58 +0000 Subject: [PATCH] add a sparse mongo index for finding packs --- services/track-changes/app/coffee/MongoManager.coffee | 2 ++ 1 file changed, 2 insertions(+) diff --git a/services/track-changes/app/coffee/MongoManager.coffee b/services/track-changes/app/coffee/MongoManager.coffee index 4e1372bb2c..014f43223f 100644 --- a/services/track-changes/app/coffee/MongoManager.coffee +++ b/services/track-changes/app/coffee/MongoManager.coffee @@ -353,6 +353,8 @@ module.exports = MongoManager = db.docHistory.ensureIndex { doc_id: 1, v: 1 }, { background: true } # For finding all updates that affect a project (getProjectUpdates meta.end_ts < before db.docHistory.ensureIndex { project_id: 1, "meta.end_ts": 1 }, { background: true } + # For finding all packs that affect a project (use a sparse index so only packs are included) + db.docHistory.ensureIndex { project_id: 1, "pack.0.meta.end_ts": 1, "meta.end_ts": 1} , { background: true, sparse: true } # For finding updates that don't yet have a project_id and need it inserting db.docHistory.ensureIndex { doc_id: 1, project_id: 1 }, { background: true } # For finding project meta-data