diff --git a/knex/knex-test.ts b/knex/knex-test.ts
index 081f98867d..1d468b2605 100644
--- a/knex/knex-test.ts
+++ b/knex/knex-test.ts
@@ -12,6 +12,7 @@ var knex = Knex({
 });
 
 var knex = Knex({
+  debug: true,
   client: 'mysql',
   connection: {
     socketPath     : '/path/to/socket.sock',
@@ -32,7 +33,13 @@ var knex = Knex({
   },
   pool: {
     min: 0,
-    max: 7
+    max: 7,
+    afterCreate: (connection: any, callback: Function) => {
+      return callback(null, connection);
+    },
+    beforeDestroy: (connection: any, callback: Function) => {
+      return callback(null, connection);
+    }
   }
 });
 
diff --git a/knex/knex.d.ts b/knex/knex.d.ts
index 82c26cfec6..d2afc4aa82 100644
--- a/knex/knex.d.ts
+++ b/knex/knex.d.ts
@@ -135,6 +135,8 @@ declare module "knex" {
     
       transacting(trx: Transaction): QueryBuilder;
       connection(connection: any): QueryBuilder;
+
+      clone(): QueryBuilder;
     }
     
     interface As {
@@ -394,6 +396,7 @@ declare module "knex" {
     }
     
     interface Config {
+      debug?: boolean;
       client?: string;
       dialect?: string;
       connection: string|ConnectionConfig|
@@ -427,7 +430,9 @@ declare module "knex" {
     interface PoolConfig {
       name?: string;
       create?: Function;
+      afterCreate?: Function;
       destroy?: Function;
+      beforeDestroy?: Function;
       min?: number;
       max?: number;
       refreshIdle?: boolean;