unique constraint

js/actions/system/api-simple.js

@@ -173,7 +173,7 @@ actions.defineHttp({
     }
 
     if (req.requestType != actions.PUT) {
-      actions.unsupported(req, res);
+      actions.resultUnsupported(req, res);
     }
     else {
       var limit = body.limit;
@@ -290,7 +290,7 @@ actions.defineHttp({
     }
 
     if (req.requestType != actions.PUT) {
-      actions.unsupported(req, res);
+      actions.resultUnsupported(req, res);
     }
     else {
       var limit = body.limit;
@@ -396,7 +396,7 @@ actions.defineHttp({
     }
 
     if (req.requestType != actions.PUT) {
-      actions.unsupported(req, res);
+      actions.resultUnsupported(req, res);
     }
     else {
       var limit = body.limit;
@@ -482,7 +482,7 @@ actions.defineHttp({
     }
 
     if (req.requestType != actions.PUT) {
-      actions.unsupported(req, res);
+      actions.resultUnsupported(req, res);
     }
     else {
       var example = body.example;
@@ -511,6 +511,55 @@ actions.defineHttp({
   }
 });
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief returns all documents of a collection matching a given example
+////////////////////////////////////////////////////////////////////////////////
+
+actions.defineHttp({
+  url : API + "BY-EXAMPLE-HASH",
+  context : "api",
+
+  callback : function (req, res) {
+    var body = actions.getJsonBody(req, res);
+
+    if (body === undefined) {
+      return;
+    }
+
+    if (req.requestType != actions.PUT) {
+      actions.resultUnsupported(req, res);
+    }
+    else {
+      var limit = body.limit;
+      var skip = body.skip;
+      var name = body.collection;
+      var example = body.example;
+      var index = body.index;
+
+      var name = body.collection;
+      var id = parseInt(name) || name;
+      var collection = internal.db._collection(id);
+
+      if (collection == null) {
+        actions.collectionNotFound(req, res, name);
+      }
+      else if (typeof example !== "object") {
+        actions.badParameter(req, res, "example");
+      }
+      else {
+        try {
+          var result = collection.BY_EXAMPLE_HASH(index, example, skip, limit);
+
+          actions.resultOk(req, res, actions.HTTP_OK, result);
+        }
+        catch (err) {
+          actions.resultException(req, res, err);
+        }
+      }
+    }
+  }
+});
+
 ////////////////////////////////////////////////////////////////////////////////
 /// @}
 ////////////////////////////////////////////////////////////////////////////////

js/client/client.js

@@ -1233,6 +1233,56 @@ ArangoCollection.prototype.ensureCapConstraint = function (size) {
   return requestResult;
 }
 
+////////////////////////////////////////////////////////////////////////////////
+/// @brief adds a unique constraint
+////////////////////////////////////////////////////////////////////////////////
+
+ArangoCollection.prototype.ensureUniqueConstraint = function () {
+  var body;
+  var fields = [];
+  
+  for (var i = 0;  i < arguments.length;  ++i) {
+    fields.push(arguments[i]);
+  }
+
+  body = { type : "hash", unique : true, fields : fields };
+
+  var requestResult = this._database._connection.POST("/_api/index?collection=" + encodeURIComponent(this._id), JSON.stringify(body));
+
+  TRI_CheckRequestResult(requestResult);
+
+  return requestResult;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+/// @brief queries by example
+////////////////////////////////////////////////////////////////////////////////
+
+ArangoCollection.prototype.BY_EXAMPLE_HASH = function (index, example, skip, limit) {
+  var body;
+
+  limit = limit || null;
+  skip = skip || null;
+
+  if (index.hasOwnProperty("id")) {
+    index = index.id;
+  }
+
+  body = { collection : this._id, index : index, skip : skip, limit : limit, example : {} };
+
+  for (var key in example) {
+    if (example.hasOwnProperty(key)) {
+      body.example[key] = example[key];
+    }
+  }
+
+  var requestResult = this._database._connection.PUT("/_api/simple/BY-EXAMPLE-HASH", JSON.stringify(body));
+
+  TRI_CheckRequestResult(requestResult);
+
+  return requestResult;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 /// @brief adds an geo index
 ////////////////////////////////////////////////////////////////////////////////

js/common/tests/shell-unique-constraint.js

@@ -78,8 +78,6 @@ function UniqueConstraintSuite() {
       var idx = collection.ensureUniqueConstraint("a");
       var id = idx.id;
 
-      print(idx);
-
       assertNotEqual(0, id);
       assertEqual("hash", idx.type);
       assertEqual(true, idx.unique);