diff --git a/lib/backend.js b/lib/backend.js
index 88d5b18b5..ce769b559 100644
--- a/lib/backend.js
+++ b/lib/backend.js
@@ -94,6 +94,9 @@ Backend.prototype._shimDocAction = function() {
   this.use(this.MIDDLEWARE_ACTIONS.readSnapshots, function(request, callback) {
     async.each(request.snapshots, function(snapshot, eachCb) {
       var docRequest = {collection: request.collection, id: snapshot.id, snapshot: snapshot};
+      if(request.projection) {
+        docRequest.index = request.projection.index;
+      }
       backend.trigger(backend.MIDDLEWARE_ACTIONS.doc, request.agent, docRequest, eachCb);
     }, callback);
   });
@@ -179,6 +182,7 @@ Backend.prototype.addProjection = function(name, collection, fields) {
   }
 
   this.projections[name] = {
+    index: name,
     target: collection,
     fields: fields
   };
@@ -272,10 +276,10 @@ Backend.prototype._sanitizeOpsBulk = function(agent, projection, collection, ops
   }, callback);
 };
 
-Backend.prototype._sanitizeSnapshots = function(agent, projection, collection, snapshots, snapshotType, callback) {
-  if (projection) {
+Backend.prototype._sanitizeSnapshots = function(agent, projectsSnapshots, projection, collection, snapshots, snapshotType, callback) {
+  if (projectsSnapshots && projection) {
     try {
-      projections.projectSnapshots(projection.fields, snapshots);
+      projections.projectsSnapshots(projection.fields, snapshots);
     } catch (err) {
       return callback(err);
     }
@@ -284,16 +288,13 @@ Backend.prototype._sanitizeSnapshots = function(agent, projection, collection, s
   var request = {
     collection: collection,
     snapshots: snapshots,
+    projection: projection,
     snapshotType: snapshotType
   };
 
   this.trigger(this.MIDDLEWARE_ACTIONS.readSnapshots, agent, request, callback);
 };
 
-Backend.prototype._getSnapshotProjection = function(db, projection) {
-  return (db.projectsSnapshots) ? null : projection;
-};
-
 Backend.prototype._getSnapshotsFromMap = function(ids, snapshotMap) {
   var snapshots = new Array(ids.length);
   for (var i = 0; i < ids.length; i++) {
@@ -357,6 +358,7 @@ Backend.prototype.fetch = function(agent, index, id, callback) {
   var fields = projection && projection.fields;
   var backend = this;
   var request = {
+    projection: projection,
     agent: agent,
     index: index,
     collection: collection,
@@ -364,9 +366,9 @@ Backend.prototype.fetch = function(agent, index, id, callback) {
   };
   backend.db.getSnapshot(collection, id, fields, null, function(err, snapshot) {
     if (err) return callback(err);
-    var snapshotProjection = backend._getSnapshotProjection(backend.db, projection);
+    var projectsSnapshots = !backend.db.projectsSnapshots;
     var snapshots = [snapshot];
-    backend._sanitizeSnapshots(agent, snapshotProjection, collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
+    backend._sanitizeSnapshots(agent, snapshotProjection, projection, collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
       if (err) return callback(err);
       backend.emit('timing', 'fetch', Date.now() - start, request);
       callback(null, snapshot);
@@ -388,9 +390,9 @@ Backend.prototype.fetchBulk = function(agent, index, ids, callback) {
   };
   backend.db.getSnapshotBulk(collection, ids, fields, null, function(err, snapshotMap) {
     if (err) return callback(err);
-    var snapshotProjection = backend._getSnapshotProjection(backend.db, projection);
+    var projectsSnapshots = !backend.db.projectsSnapshots;
     var snapshots = backend._getSnapshotsFromMap(ids, snapshotMap);
-    backend._sanitizeSnapshots(agent, snapshotProjection, collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
+    backend._sanitizeSnapshots(agent, projectsSnapshots, projection, collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
       if (err) return callback(err);
       backend.emit('timing', 'fetchBulk', Date.now() - start, request);
       callback(null, snapshotMap);
@@ -560,7 +562,7 @@ Backend.prototype._triggerQuery = function(agent, index, query, options, callbac
     query: query,
     options: options,
     db: null,
-    snapshotProjection: null,
+    projectsSnapshots: false,
   };
   var backend = this;
   backend.trigger(backend.MIDDLEWARE_ACTIONS.query, agent, request, function(err) {
@@ -569,7 +571,7 @@ Backend.prototype._triggerQuery = function(agent, index, query, options, callbac
     // that the db option can be changed in middleware
     request.db = (options.db) ? backend.extraDbs[options.db] : backend.db;
     if (!request.db) return callback({code: 4003, message: 'DB not found'});
-    request.snapshotProjection = backend._getSnapshotProjection(request.db, projection);
+    request.projectsSnapshots = !request.db.projectsSnapshots;
     callback(null, request);
   });
 };
@@ -578,7 +580,7 @@ Backend.prototype._query = function(agent, request, callback) {
   var backend = this;
   request.db.query(request.collection, request.query, request.fields, request.options, function(err, snapshots, extra) {
     if (err) return callback(err);
-    backend._sanitizeSnapshots(agent, request.snapshotProjection, request.collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
+    backend._sanitizeSnapshots(agent, request.projectsSnapshots, request.projection, request.collection, snapshots, backend.SNAPSHOT_TYPES.current, function(err) {
       callback(err, snapshots, extra);
     });
   });
@@ -687,4 +689,4 @@ function pluckIds(snapshots) {
     ids.push(snapshots[i].id);
   }
   return ids;
-}
+}
\ No newline at end of file
diff --git a/lib/projections.js b/lib/projections.js
index 48baa5ae7..2a8d84449 100644
--- a/lib/projections.js
+++ b/lib/projections.js
@@ -1,7 +1,7 @@
 var json0 = require('ot-json0').type;
 
 exports.projectSnapshot = projectSnapshot;
-exports.projectSnapshots = projectSnapshots;
+exports.projectsSnapshots = projectsSnapshots;
 exports.projectOp = projectOp;
 exports.isSnapshotAllowed = isSnapshotAllowed;
 exports.isOpAllowed = isOpAllowed;
@@ -16,7 +16,7 @@ function projectSnapshot(fields, snapshot) {
   snapshot.data = projectData(fields, snapshot.data);
 }
 
-function projectSnapshots(fields, snapshots) {
+function projectsSnapshots(fields, snapshots) {
   for (var i = 0; i < snapshots.length; i++) {
     var snapshot = snapshots[i];
     projectSnapshot(fields, snapshot);
diff --git a/lib/query-emitter.js b/lib/query-emitter.js
index f79c9a684..1082ccba5 100644
--- a/lib/query-emitter.js
+++ b/lib/query-emitter.js
@@ -12,11 +12,12 @@ function QueryEmitter(request, stream, ids, extra) {
   this.collection = request.collection;
   this.fields = request.fields;
   this.options = request.options;
-  this.snapshotProjection = request.snapshotProjection;
+  this.projectsSnapshots = request.projectsSnapshots;
+  this.projection = request.projection;
   this.stream = stream;
   this.ids = ids;
   this.extra = extra;
-
+  
   this.skipPoll = this.options.skipPoll || util.doNothing;
   this.canPollDoc = this.db.canPollDoc(this.collection, this.query);
   this.pollDebounce =
@@ -187,7 +188,7 @@ QueryEmitter.prototype.queryPoll = function(callback) {
           if (err) return emitter._finishPoll(err, callback, pending);
           var snapshots = emitter.backend._getSnapshotsFromMap(inserted, snapshotMap);
           var snapshotType = emitter.backend.SNAPSHOT_TYPES.current;
-          emitter.backend._sanitizeSnapshots(emitter.agent, emitter.snapshotProjection, emitter.collection, snapshots, snapshotType, function(err) {
+          emitter.backend._sanitizeSnapshots(emitter.agent, emitter.projectsSnapshots, emitter.projection, emitter.collection, snapshots, snapshotType, function(err) {
             if (err) return emitter._finishPoll(err, callback, pending);
             emitter._emitTiming('queryEmitter.pollGetSnapshotBulk', start);
             var diff = mapDiff(idsDiff, snapshotMap);
@@ -235,8 +236,7 @@ QueryEmitter.prototype.queryPollDoc = function(id, callback) {
       emitter.db.getSnapshot(emitter.collection, id, emitter.fields, null, function(err, snapshot) {
         if (err) return callback(err);
         var snapshots = [snapshot];
-        var snapshotType = emitter.backend.SNAPSHOT_TYPES.current;
-        emitter.backend._sanitizeSnapshots(emitter.agent, emitter.snapshotProjection, emitter.collection, snapshots, snapshotType, function(err) {
+        emitter.backend._sanitizeSnapshots(emitter.agent, emitter.projectsSnapshots, emitter.projection, emitter.collection, snapshots, snapshotType, function(err) {
           if (err) return callback(err);
           emitter.onDiff([new arraydiff.InsertDiff(index, snapshots)]);
           emitter._emitTiming('queryEmitter.pollDocGetSnapshot', start);
diff --git a/package-lock.json b/package-lock.json
index 92451799b..901bad557 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -55,15 +55,15 @@
       "dev": true
     },
     "ajv": {
-      "version": "5.5.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-5.5.2.tgz",
-      "integrity": "sha1-c7Xuyj+rZT49P5Qis0GtQiBdyWU=",
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.5.5.tgz",
+      "integrity": "sha512-7q7gtRQDJSyuEHjuVgHoUa2VuemFiCMrfQc9Tc08XTAc4Zj/5U1buQJ0HU6i7fKjXU09SVgSmxa4sLvuvS8Iyg==",
       "dev": true,
       "requires": {
-        "co": "^4.6.0",
-        "fast-deep-equal": "^1.0.0",
+        "fast-deep-equal": "^2.0.1",
         "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.3.0"
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
       }
     },
     "amdefine": {
@@ -204,15 +204,9 @@
         }
       }
     },
-    "co": {
-      "version": "4.6.0",
-      "resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
-      "integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-      "dev": true
-    },
     "colors": {
       "version": "1.0.3",
-      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+      "resolved": "http://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
       "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs=",
       "dev": true,
       "optional": true
@@ -226,6 +220,13 @@
         "delayed-stream": "~1.0.0"
       }
     },
+    "commander": {
+      "version": "2.17.1",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-2.17.1.tgz",
+      "integrity": "sha512-wPMUt6FnH2yzG95SA6mzjQOEKUU3aLaDEmzs1ti+1E9h+CsrZghRlqEM/EJ4KscsQVG8uNN4uVreUeT8+drlgg==",
+      "dev": true,
+      "optional": true
+    },
     "concat-map": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
@@ -307,24 +308,6 @@
         "log-driver": "^1.2.7",
         "minimist": "^1.2.0",
         "request": "^2.85.0"
-      },
-      "dependencies": {
-        "esprima": {
-          "version": "4.0.1",
-          "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
-          "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
-          "dev": true
-        },
-        "js-yaml": {
-          "version": "3.12.0",
-          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
-          "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
-          "dev": true,
-          "requires": {
-            "argparse": "^1.0.7",
-            "esprima": "^4.0.0"
-          }
-        }
       }
     },
     "cycle": {
@@ -341,14 +324,6 @@
       "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
       }
     },
     "date-now": {
@@ -479,12 +454,20 @@
         "esutils": "^2.0.2",
         "optionator": "^0.8.1",
         "source-map": "~0.2.0"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+          "dev": true
+        }
       }
     },
     "esprima": {
-      "version": "2.7.3",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
-      "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A==",
       "dev": true
     },
     "estraverse": {
@@ -544,9 +527,9 @@
       "optional": true
     },
     "fast-deep-equal": {
-      "version": "1.1.0",
-      "resolved": "http://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-1.1.0.tgz",
-      "integrity": "sha1-wFNHeBfIa1HaqFPIHgWbcz0CNhQ=",
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk=",
       "dev": true
     },
     "fast-diff": {
@@ -596,7 +579,7 @@
     },
     "fs-extra": {
       "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
+      "resolved": "http://registry.npmjs.org/fs-extra/-/fs-extra-1.0.0.tgz",
       "integrity": "sha1-zTzl9+fLYUWIP8rjGR6Yd/hYeVA=",
       "dev": true,
       "optional": true,
@@ -619,14 +602,6 @@
       "dev": true,
       "requires": {
         "assert-plus": "^1.0.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
       }
     },
     "glob": {
@@ -667,15 +642,6 @@
         "uglify-js": "^3.1.4"
       },
       "dependencies": {
-        "async": {
-          "version": "2.6.1",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-          "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
-          "dev": true,
-          "requires": {
-            "lodash": "^4.17.10"
-          }
-        },
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
@@ -691,12 +657,12 @@
       "dev": true
     },
     "har-validator": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.0.tgz",
-      "integrity": "sha512-+qnmNjI4OfH2ipQ9VQOw23bBd/ibtfbVdK2fYbY4acTDqKTW/YDp9McimZdDbG8iV9fZizUqQMD5xvriB146TA==",
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
+      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
       "dev": true,
       "requires": {
-        "ajv": "^5.3.0",
+        "ajv": "^6.5.5",
         "har-schema": "^2.0.0"
       }
     },
@@ -827,25 +793,22 @@
           "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
           "dev": true
         },
-        "supports-color": {
-          "version": "3.2.3",
-          "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-3.2.3.tgz",
-          "integrity": "sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=",
-          "dev": true,
-          "requires": {
-            "has-flag": "^1.0.0"
-          }
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE=",
+          "dev": true
         }
       }
     },
     "js-yaml": {
-      "version": "3.6.1",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.6.1.tgz",
-      "integrity": "sha1-bl/mfYsgXOTSL60Ft3geja3MSzA=",
+      "version": "3.12.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.0.tgz",
+      "integrity": "sha512-PIt2cnwmPfL4hKNwqeiuz4bKfnzHTBv6HyVgjahA6mPLwPDzjDWrplJBMjHUFxku/N3FlmrbyPclad+I+4mJ3A==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
-        "esprima": "^2.6.0"
+        "esprima": "^4.0.0"
       }
     },
     "jsbn": {
@@ -880,9 +843,9 @@
       "dev": true
     },
     "json-schema-traverse": {
-      "version": "0.3.1",
-      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.3.1.tgz",
-      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A=",
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg==",
       "dev": true
     },
     "json-stringify-safe": {
@@ -911,14 +874,6 @@
         "extsprintf": "1.3.0",
         "json-schema": "0.2.3",
         "verror": "1.10.0"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true
-        }
       }
     },
     "just-extend": {
@@ -1202,7 +1157,7 @@
     },
     "path-is-absolute": {
       "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "resolved": "http://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
       "integrity": "sha1-F0uSaHNVNP+8es5r9TpanhtcX18=",
       "dev": true
     },
@@ -1256,128 +1211,6 @@
         "request": "^2.81.0",
         "request-progress": "^2.0.1",
         "which": "^1.2.10"
-      },
-      "dependencies": {
-        "assert-plus": {
-          "version": "1.0.0",
-          "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-          "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
-          "dev": true,
-          "optional": true
-        },
-        "aws-sign2": {
-          "version": "0.7.0",
-          "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
-          "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
-          "dev": true,
-          "optional": true
-        },
-        "caseless": {
-          "version": "0.12.0",
-          "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
-          "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
-          "dev": true,
-          "optional": true
-        },
-        "form-data": {
-          "version": "2.3.3",
-          "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
-          "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "asynckit": "^0.4.0",
-            "combined-stream": "^1.0.6",
-            "mime-types": "^2.1.12"
-          }
-        },
-        "har-validator": {
-          "version": "5.1.0",
-          "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.0.tgz",
-          "integrity": "sha512-+qnmNjI4OfH2ipQ9VQOw23bBd/ibtfbVdK2fYbY4acTDqKTW/YDp9McimZdDbG8iV9fZizUqQMD5xvriB146TA==",
-          "dev": true,
-          "optional": true,
-          "requires": {
-            "ajv": "^5.3.0",
-            "har-schema": "^2.0.0"
-          }
-        },
-        "http-signature": {
-          "version": "1.2.0",
-          "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
-          "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
-          "dev": true,
-          "optional": true,
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