Update documentaion

Author: itosho

CHANGES.md

@@ -1,7 +1,7 @@
 # CHANGES
 
 ## v1.2.0
-- :sparkles: Add insert select for inserting once feature.
+- :sparkles: Add insert select query for inserting a record just once.
 - :green_heart: Improve CI.
 
 ## v1.1.1

README.md

@@ -1,6 +1,6 @@
 # Easy Query
 
-CakePHP behavior plugin for easily some complicated queries like upsert, bulk upsert and bulk insert.
+CakePHP behavior plugin for easily some complicated queries.
 
 [![Build Status](https://travis-ci.org/itosho/easy-query.svg?branch=master)](https://travis-ci.org/itosho/easy-query)
 [![codecov](https://codecov.io/gh/itosho/easy-query/branch/master/graph/badge.svg)](https://codecov.io/gh/itosho/easy-query)
@@ -83,6 +83,62 @@ $entities = $this->Articles->newEntities($data);
 $this->Articles->bulkInsert($entities);
 ```
 
+### Insert Select
+For inserting a record just once.
+
+#### case1
+Specify search conditions.
+
+```php
+$this->Articles = TableRegistry::get('Articles');
+$this->Articles->addBehavior('Itosho/EasyQuery.Insert');
+
+$data = [
+    'title' => 'New Article?',
+    'body' => 'New Article Body?'
+];
+$entity = $this->Articles->newEntity($data);
+$condition = [
+    'title' => 'New Article?'
+];
+
+$this->Articles->insertOnce($entities);
+```
+
+Generated SQL is below.
+
+```sql
+INSERT INTO articles (title, body)
+SELECT 'New Article?', 'New Article Body?' FROM tmp WHERE NOT EXISTS (    
+    SELECT * FROM articles WHERE title = 'New Article?'
+)
+```
+
+#### case2
+Auto set search conditions with a inserting record.
+
+```php
+$this->Articles = TableRegistry::get('Articles');
+$this->Articles->addBehavior('Itosho/EasyQuery.Insert');
+
+$data = [
+    'title' => 'New Article',
+    'body' => 'New Article Body'
+];
+$entity = $this->Articles->newEntity($data);
+
+$this->Articles->insertOnce($entities);
+```
+
+Generated SQL is below.
+
+```sql
+INSERT INTO articles (title, body)
+SELECT 'New Article', 'New Article Body' FROM tmp WHERE NOT EXISTS (    
+    SELECT * FROM articles WHERE title = 'New Article' AND body = 'New Article Body'
+)
+```
+
 ### Advanced 
 Need to use `Timestamp` behavior, if you want to update `created` and `modified` fields automatically.
 And you can change the action manually by using `event` config like this.

composer.json

@@ -1,14 +1,16 @@
 {
   "name": "itosho/easy-query",
-  "description": "CakePHP behavior plugin for easily some complicated queries like upsert, bulk upsert and bulk insert.",
+  "description": "CakePHP behavior plugin for easily some complicated queries.",
   "type": "cakephp-plugin",
   "keywords": [
     "cakephp",
     "behavior",
     "plugin",
     "upsert",
-    "bulk",
-    "insert"
+    "bulk upsert",
+    "bulk insert",
+    "insert select",
+    "insert once"
   ],
   "homepage": "https://github.com/itosho/easy-query",
   "license": "MIT",

src/Model/Behavior/InsertBehavior.php

@@ -2,7 +2,6 @@
 
 namespace Itosho\EasyQuery\Model\Behavior;
 
-use App\Model\Entity\ResourceFormatterTrait;
 use Cake\Database\Expression\QueryExpression;
 use Cake\Database\StatementInterface;
 use Cake\I18n\FrozenTime;