diff --git a/dist/smartdata.classes.db.d.ts b/dist/smartdata.classes.db.d.ts
index 896f66e..54f0cdc 100644
--- a/dist/smartdata.classes.db.d.ts
+++ b/dist/smartdata.classes.db.d.ts
@@ -1,7 +1,8 @@
 import * as plugins from "./smartdata.plugins";
 import { Objectmap } from "lik";
 import { DbTable } from "./smartdata.classes.dbtable";
-import { ConnectionOptions } from "rethinkdb";
+import { ConnectionOptions as IConnectionOptions } from "rethinkdb";
+export { IConnectionOptions };
 /**
  * interface - indicates the connection status of the db
  */
@@ -12,7 +13,7 @@ export declare class Db {
     dbConnection: plugins.rethinkDb.Connection;
     status: TConnectionStatus;
     dbTablesMap: Objectmap<DbTable<any>>;
-    constructor(connectionOptionsArg: ConnectionOptions);
+    constructor(connectionOptionsArg: IConnectionOptions);
     /**
      * supply additional SSl options needed to connect to certain Rethink DB servers (e.g. compose.io)
      */
diff --git a/dist/smartdata.classes.db.js b/dist/smartdata.classes.db.js
index d0b58fb..54d575e 100644
--- a/dist/smartdata.classes.db.js
+++ b/dist/smartdata.classes.db.js
@@ -73,4 +73,4 @@ class Db {
     }
 }
 exports.Db = Db;
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\ No newline at end of file
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diff --git a/dist/smartdata.classes.dbdoc.d.ts b/dist/smartdata.classes.dbdoc.d.ts
index bfd5533..1682769 100644
--- a/dist/smartdata.classes.dbdoc.d.ts
+++ b/dist/smartdata.classes.dbdoc.d.ts
@@ -31,6 +31,7 @@ export declare class DbDoc<T> {
      */
     constructor();
     static getInstances<T>(filterArg: any): Promise<T[]>;
+    static getInstance<T>(filterArg: any): Promise<T>;
     /**
      * saves this instance but not any connected items
      * may lead to data inconsistencies, but is faster
diff --git a/dist/smartdata.classes.dbdoc.js b/dist/smartdata.classes.dbdoc.js
index c9b57f2..5a561ae 100644
--- a/dist/smartdata.classes.dbdoc.js
+++ b/dist/smartdata.classes.dbdoc.js
@@ -52,6 +52,14 @@ class DbDoc {
             return returnArray;
         });
     }
+    static getInstance(filterArg) {
+        return __awaiter(this, void 0, void 0, function* () {
+            let result = yield this.getInstances(filterArg);
+            if (result && result.length > 0) {
+                return result[0];
+            }
+        });
+    }
     /**
      * saves this instance but not any connected items
      * may lead to data inconsistencies, but is faster
@@ -98,4 +106,4 @@ class DbDoc {
     }
 }
 exports.DbDoc = DbDoc;
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diff --git a/ts/smartdata.classes.db.ts b/ts/smartdata.classes.db.ts
index 31ad4ed..0b6ed22 100644
--- a/ts/smartdata.classes.db.ts
+++ b/ts/smartdata.classes.db.ts
@@ -3,7 +3,11 @@ import { Objectmap } from "lik";
 
 import { DbTable } from "./smartdata.classes.dbtable";
 
-import { Connection as dbConnection, ConnectionOptions } from "rethinkdb";
+import { Connection as dbConnection, ConnectionOptions as IConnectionOptions } from "rethinkdb";
+
+export {
+  IConnectionOptions
+}
 
 /**
  * interface - indicates the connection status of the db
@@ -21,7 +25,7 @@ export class Db {
   status: TConnectionStatus;
   dbTablesMap = new Objectmap<DbTable<any>>();
 
-  constructor(connectionOptionsArg: ConnectionOptions) {
+  constructor(connectionOptionsArg: IConnectionOptions) {
     this.dbName = connectionOptionsArg.db;
     this.connectionOptions = connectionOptionsArg;
     this.status = "initial";