From bae73a583a8b0bdeef0269da1aca84e4bd507dfe Mon Sep 17 00:00:00 2001
From: Alexander Hense <ahense@saltation.de>
Date: Fri, 18 Mar 2016 13:53:53 +0100
Subject: [PATCH] Make connection optional for knex Config

It is possible to use knex as a pure query builder without any database
connection. This is specified in the knex documentation.
---
 knex/knex-tests.ts | 10 ++++++++++
 knex/knex.d.ts     |  2 +-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/knex/knex-tests.ts b/knex/knex-tests.ts
index 9ec619e8ad..4078522df2 100644
--- a/knex/knex-tests.ts
+++ b/knex/knex-tests.ts
@@ -55,6 +55,16 @@ var knex = Knex({
   }
 });
 
+// Pure Query Builder without a connection
+var knex = Knex({});
+
+// Pure Query Builder without a connection, using a specific flavour of SQL
+var knex = Knex({
+  client: 'pg'
+});
+
+knex('books').insert({title: 'Test'}).returning('*').toString();
+
 // Migrations
 var knex = Knex({
   client: 'mysql',
diff --git a/knex/knex.d.ts b/knex/knex.d.ts
index 58d6910bd4..6f28a2f796 100644
--- a/knex/knex.d.ts
+++ b/knex/knex.d.ts
@@ -409,7 +409,7 @@ declare module "knex" {
       debug?: boolean;
       client?: string;
       dialect?: string;
-      connection: string|ConnectionConfig|MariaSqlConnectionConfig|
+      connection?: string|ConnectionConfig|MariaSqlConnectionConfig|
         Sqlite3ConnectionConfig|SocketConnectionConfig;
       pool?: PoolConfig;
       migrations?: MigrationConfig;