Improve float and integer handling

api.php

 	public function getSql($name);
 	public function connect($hostname,$username,$password,$database,$port,$socket,$charset);
 	public function query($sql,$params=array());
-	public function fetchAssoc($result);
-	public function fetchRow($result);
+	public function fetchAssoc($result,$fields=false);
+	public function fetchRow($result,$fields=false);
 	public function insertId($result);
 	public function affectedRows($result);
 	public function close($result);
 		if (!mysqli_query($db,'SET SESSION sql_mode = \'ANSI_QUOTES\';')) {
 			throw new \Exception('Error setting ANSI quotes. '.mysqli_error($db));
 		}
+		if (!mysqli_options($db,MYSQLI_OPT_INT_AND_FLOAT_NATIVE,true)) {
+			throw new \Exception('Error setting int and float native. '.mysqli_error($db));
+		}
 		$this->db = $db;
 	}
 
 		return mysqli_query($db,$sql);
 	}
 
-	public function fetchAssoc($result) {
+	public function fetchAssoc($result,$fields=false) {
 		return mysqli_fetch_assoc($result);
 	}
 
-	public function fetchRow($result) {
+	public function fetchRow($result,$fields=false) {
 		return mysqli_fetch_row($result);
 	}
 
 		return @pg_query($db,$sql);
 	}
 
-	public function fetchAssoc($result) {
-		return pg_fetch_assoc($result);
+	protected function convertFloatAndInt($result,&$values, $fields) {
+		array_walk($values, function(&$v,$i) use ($result,$fields){
+			$t = $fields[$i]->type;
+			if (is_string($v) && in_array($t,array('int2','int4','int8','float4','float8'))) {
+				$v+=0;
+			}
+		});
 	}
 
-	public function fetchRow($result) {
-		return pg_fetch_row($result);
+	public function fetchAssoc($result,$fields=false) {
+		$values = pg_fetch_assoc($result);
+		if ($values && $fields) {
+			$this->convertFloatAndInt($result,$values,$fields);
+		}
+		return $values;
+	}
+
+	public function fetchRow($result,$fields=false) {
+		$values = pg_fetch_row($result);
+		if ($values && $fields) {
+			$this->convertFloatAndInt($result,$values,array_values($fields));
+		}
+		return $values;
 	}
 
 	public function insertId($result) {
 		return sqlsrv_query($db,$sql,$args)?:null;
 	}
 
-	public function fetchAssoc($result) {
-		$values = sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC);
-		if ($values) $values = array_map(function($v){ return is_null($v)?null:(string)$v; },$values);
-		return $values;
+	public function fetchAssoc($result,$fields=false) {
+		return sqlsrv_fetch_array($result, SQLSRV_FETCH_ASSOC);
 	}
 
-	public function fetchRow($result) {
-		$values = sqlsrv_fetch_array($result, SQLSRV_FETCH_NUMERIC);
-		if ($values) $values = array_map(function($v){ return is_null($v)?null:(string)$v; },$values);
-		return $values;
+	public function fetchRow($result,$fields=false) {
+		return sqlsrv_fetch_array($result, SQLSRV_FETCH_NUMERIC);
 	}
 
 	public function insertId($result) {
 		return $result;
 	}
 
-	public function fetchAssoc($result) {
-		$values = $result->fetchArray(SQLITE3_ASSOC);
-		if ($values) $values = array_map(function($v){ return is_null($v)?null:(string)$v; },$values);
-		return $values;
+	public function fetchAssoc($result,$fields=false) {
+		return $result->fetchArray(SQLITE3_ASSOC);
 	}
 
-	public function fetchRow($result) {
-		$values = $result->fetchArray(SQLITE3_NUM);
-		if ($values) $values = array_map(function($v){ return is_null($v)?null:(string)$v; },$values);
-		return $values;
+	public function fetchRow($result,$fields=false) {
+		return $result->fetchArray(SQLITE3_NUM);
 	}
 
 	public function insertId($result) {
 		$this->addWhereFromFilters($filters[$table],$sql,$params);
 		$object = null;
 		if ($result = $this->db->query($sql,$params)) {
-			$object = $this->db->fetchAssoc($result);
+			$object = $this->db->fetchAssoc($result,$fields[$table]);
 			$this->db->close($result);
 		}
 		return $object;
 			$keys = array_flip($keys);
 			echo ',"records":[';
 			$first_row = true;
-			while ($row = $this->db->fetchRow($result)) {
+			while ($row = $this->db->fetchRow($result,$fields[$table])) {
 				if ($first_row) $first_row = false;
 				else echo ',';
 				if (isset($collect[$table])) {
 				$keys = array_flip($keys);
 				echo ',"records":[';
 				$first_row = true;
-				while ($row = $this->db->fetchRow($result)) {
+				while ($row = $this->db->fetchRow($result,$fields[$table])) {
 					if ($first_row) $first_row = false;
 					else echo ',';
 					if (isset($collect[$table])) {

tests/blog_mysql.sql

 DROP VIEW IF EXISTS `tag_usage`;
 CREATE VIEW `tag_usage` AS select `name`, count(`name`) AS `count` from `tags`, `post_tags` where `tags`.`id` = `post_tags`.`tag_id` group by `name` order by `count` desc, `name`;
 
+DROP TABLE IF EXISTS `products`;
+CREATE TABLE `products` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `name` varchar(255) NOT NULL,
+  `price` decimal(10,2) NOT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+INSERT INTO `products` (`id`, `name`, `price`) VALUES
+(1,	'Calculator', '23.01');
+
 -- 2016-11-05 13:11:47

tests/blog_postgresql.sql

 DROP TABLE IF EXISTS countries CASCADE;
 DROP TABLE IF EXISTS events CASCADE;
 DROP VIEW IF EXISTS tag_usage;
+DROP TABLE IF EXISTS products CASCADE;
+
 --
 -- Name: categories; Type: TABLE; Schema: public; Owner: postgres; Tablespace:
 --
 
 CREATE VIEW "tag_usage" AS select "name", count("name") AS "count" from "tags", "post_tags" where "tags"."id" = "post_tags"."tag_id" group by "name" order by "count" desc, "name";
 
+--
+-- Name: products; Type: TABLE; Schema: public; Owner: postgres; Tablespace:
+--
+
+CREATE TABLE products (
+    id serial NOT NULL,
+    name character varying(255) NOT NULL,
+    price decimal(10,2) NOT NULL
+);
+
 --
 -- Data for Name: categories; Type: TABLE DATA; Schema: public; Owner: postgres
 --
 INSERT INTO "events" ("name", "datetime") VALUES
 ('Launch',	'2016-01-01 13:01:01.111');
 
+--
+-- Data for Name: events; Type: TABLE DATA; Schema: public; Owner: postgres
+--
+
+INSERT INTO "products" ("name", "price") VALUES
+('Calculator',	'23.01');
+
 --
 -- Name: categories_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres; Tablespace:
 --
     ADD CONSTRAINT events_pkey PRIMARY KEY (id);
 
 
+--
+-- Name: products_pkey; Type: CONSTRAINT; Schema: public; Owner: postgres; Tablespace:
+--
+
+ALTER TABLE ONLY products
+    ADD CONSTRAINT products_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: comments_post_id_idx; Type: INDEX; Schema: public; Owner: postgres; Tablespace:
 --

tests/blog_sqlite.sql

 DROP VIEW IF EXISTS `tag_usage`;
 CREATE VIEW `tag_usage` AS select `name`, count(`name`) AS `count` from `tags`, `post_tags` where `tags`.`id` = `post_tags`.`tag_id` group by `name` order by `count` desc, `name`;
 
+DROP TABLE IF EXISTS `products`;
+CREATE TABLE `products` (
+  `id` integer NOT NULL PRIMARY KEY AUTOINCREMENT,
+  `name` text(255) NOT NULL,
+  `price` text(12) NOT NULL
+);
+
+INSERT INTO `products` (`id`, `name`, `price`) VALUES (1,	'Calculator', '23.01');
+
 --

tests/blog_sqlserver.sql

 ALTER TABLE [comments] DROP CONSTRAINT [FK_comments_posts]
 END
 GO
+IF (OBJECT_ID('products', 'U') IS NOT NULL)
+BEGIN
+DROP TABLE [products]
+END
+GO
 IF (OBJECT_ID('events', 'U') IS NOT NULL)
 BEGIN
 DROP TABLE [events]
 AS
 SELECT top 100 PERCENT name, COUNT(name) AS [count] FROM tags, post_tags WHERE tags.id = post_tags.tag_id GROUP BY name ORDER BY [count] DESC, name
 
+GO
+SET ANSI_NULLS ON
+GO
+SET QUOTED_IDENTIFIER ON
+GO
+CREATE TABLE [products](
+	[id] [int] IDENTITY,
+	[name] [nvarchar](max) NOT NULL,
+	[price] [decimal](10,2) NOT NULL,
+ CONSTRAINT [PK_products] PRIMARY KEY CLUSTERED
+(
+	[id] ASC
+)WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON) ON [PRIMARY]
+) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
+
 GO
 SET IDENTITY_INSERT [categories] ON
 GO
 GO
 SET IDENTITY_INSERT [events] OFF
 GO
+SET IDENTITY_INSERT [products] ON
+GO
+INSERT [products] ([id], [name], [price]) VALUES (1, N'Calculator', N'23.01')
+GO
+SET IDENTITY_INSERT [products] OFF
+GO
 ALTER TABLE [comments]  WITH CHECK ADD  CONSTRAINT [FK_comments_posts] FOREIGN KEY([post_id])
 REFERENCES [posts] ([id])
 GO

tests/tests.php

 	{
 		$test = new API($this);
 		$test->get('/posts');
-		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[["1","1","1","blog started"],["2","1","2","It works!"]]}}');
+		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"],[2,1,2,"It works!"]]}}');
 	}
 
 	public function testListPostColumns()
 	{
 		$test = new API($this);
 		$test->get('/posts?columns=id,content');
-		$test->expect('{"posts":{"columns":["id","content"],"records":[["1","blog started"],["2","It works!"]]}}');
+		$test->expect('{"posts":{"columns":["id","content"],"records":[[1,"blog started"],[2,"It works!"]]}}');
 	}
 
 	public function testListPostsWithTransform()
 	{
 		$test = new API($this);
 		$test->get('/posts?transform=1');
-		$test->expect('{"posts":[{"id":"1","user_id":"1","category_id":"1","content":"blog started"},{"id":"2","user_id":"1","category_id":"2","content":"It works!"}]}');
+		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":2,"user_id":1,"category_id":2,"content":"It works!"}]}');
 	}
 
 	public function testReadPost()
 	{
 		$test = new API($this);
 		$test->get('/posts/2');
-		$test->expect('{"id":"2","user_id":"1","category_id":"2","content":"It works!"}');
+		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":"It works!"}');
 	}
 
 	public function testReadPosts()
 	{
 		$test = new API($this);
 		$test->get('/posts/1,2');
-		$test->expect('[{"id":"1","user_id":"1","category_id":"1","content":"blog started"},{"id":"2","user_id":"1","category_id":"2","content":"It works!"}]');
+		$test->expect('[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":2,"user_id":1,"category_id":2,"content":"It works!"}]');
 	}
 
 	public function testReadPostColumns()
 	{
 		$test = new API($this);
 		$test->get('/posts/2?columns=id,content');
-		$test->expect('{"id":"2","content":"It works!"}');
+		$test->expect('{"id":2,"content":"It works!"}');
 	}
 
 	public function testAddPost()
 	{
 		$test = new API($this);
-		$test->post('/posts','{"user_id":"1","category_id":"1","content":"test"}');
+		$test->post('/posts','{"user_id":1,"category_id":1,"content":"test"}');
 		$test->expect('3');
 	}
 
 	public function testEditPost()
 	{
 		$test = new API($this);
-		$test->put('/posts/3','{"user_id":"1","category_id":"1","content":"test (edited)"}');
+		$test->put('/posts/3','{"user_id":1,"category_id":1,"content":"test (edited)"}');
 		$test->expect('1');
 		$test->get('/posts/3');
-		$test->expect('{"id":"3","user_id":"1","category_id":"1","content":"test (edited)"}');
+		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited)"}');
 	}
 
 	public function testEditPostColumnsMissingField()
 		$test->put('/posts/3?columns=id,content','{"content":"test (edited 2)"}');
 		$test->expect('1');
 		$test->get('/posts/3');
-		$test->expect('{"id":"3","user_id":"1","category_id":"1","content":"test (edited 2)"}');
+		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited 2)"}');
 	}
 
     public function testEditPostColumnsExtraField()
 	{
 		$test = new API($this);
-		$test->put('/posts/3?columns=id,content','{"user_id":"2","content":"test (edited 3)"}');
+		$test->put('/posts/3?columns=id,content','{"user_id":2,"content":"test (edited 3)"}');
 		$test->expect('1');
 		$test->get('/posts/3');
-		$test->expect('{"id":"3","user_id":"1","category_id":"1","content":"test (edited 3)"}');
+		$test->expect('{"id":3,"user_id":1,"category_id":1,"content":"test (edited 3)"}');
 	}
 
 	public function testEditPostWithUtf8Content()
 		$test->put('/posts/2','{"content":'.$utf8.'}');
 		$test->expect('1');
 		$test->get('/posts/2');
-		$test->expect('{"id":"2","user_id":"1","category_id":"2","content":'.$utf8.'}');
+		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":'.$utf8.'}');
 	}
 
 	public function testEditPostWithUtf8ContentWithPost()
 		$test->put('/posts/2','content='.$url_encoded);
 		$test->expect('1');
 		$test->get('/posts/2');
-		$test->expect('{"id":"2","user_id":"1","category_id":"2","content":'.$json_encoded.'}');
+		$test->expect('{"id":2,"user_id":1,"category_id":2,"content":'.$json_encoded.'}');
 	}
 
 	public function testDeletePost()
 		$test->put('/posts/4','user_id=1&category_id=1&content=test+(edited)');
 		$test->expect('1');
 		$test->get('/posts/4');
-		$test->expect('{"id":"4","user_id":"1","category_id":"1","content":"test (edited)"}');
+		$test->expect('{"id":4,"user_id":1,"category_id":1,"content":"test (edited)"}');
 	}
 
 	public function testDeletePostWithPost()
 	{
 		$test = new API($this);
 		for ($i=1;$i<=10;$i++) {
-		  $test->post('/posts','{"user_id":"1","category_id":"1","content":"#'.$i.'"}');
+		  $test->post('/posts','{"user_id":1,"category_id":1,"content":"#'.$i.'"}');
 		  $test->expect(4+$i);
 		}
 		$test->get('/posts?page=2,2&order=id');
-		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[["5","1","1","#1"],["6","1","1","#2"]],"results":11}}');
+		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"]],"results":11}}');
 	}
 
 	public function testListWithPaginateLastPage()
 	{
 		$test = new API($this);
 		$test->get('/posts?page=3,5&order=id');
-		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[["14","1","1","#10"]],"results":11}}');
+		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[14,1,1,"#10"]],"results":11}}');
 	}
 
 	public function testListExampleFromReadme()
 	{
 		$test = new API($this);
 		$test->get('/posts?include=categories,tags,comments&filter=id,eq,1');
-		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[["1","1","1","blog started"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[["1","1","1"],["2","1","2"]]},"categories":{"relations":{"id":"posts.category_id"},"columns":["id","name","icon"],"records":[["1","announcement",null]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[["1","funny"],["2","important"]]},"comments":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","message"],"records":[["1","1","great"],["2","1","fantastic"]]}}');
+		$test->expect('{"posts":{"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[[1,1,1],[2,1,2]]},"categories":{"relations":{"id":"posts.category_id"},"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[[1,"funny"],[2,"important"]]},"comments":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","message"],"records":[[1,1,"great"],[2,1,"fantastic"]]}}');
 	}
 
 	public function testListExampleFromReadmeWithTransform()
 	{
 		$test = new API($this);
 		$test->get('/posts?include=categories,tags,comments&filter=id,eq,1&transform=1');
-		$test->expect('{"posts":[{"id":"1","post_tags":[{"id":"1","post_id":"1","tag_id":"1","tags":[{"id":"1","name":"funny"}]},{"id":"2","post_id":"1","tag_id":"2","tags":[{"id":"2","name":"important"}]}],"comments":[{"id":"1","post_id":"1","message":"great"},{"id":"2","post_id":"1","message":"fantastic"}],"user_id":"1","category_id":"1","categories":[{"id":"1","name":"announcement","icon":null}],"content":"blog started"}]}');
+		$test->expect('{"posts":[{"id":1,"post_tags":[{"id":1,"post_id":1,"tag_id":1,"tags":[{"id":1,"name":"funny"}]},{"id":2,"post_id":1,"tag_id":2,"tags":[{"id":2,"name":"important"}]}],"comments":[{"id":1,"post_id":1,"message":"great"},{"id":2,"post_id":1,"message":"fantastic"}],"user_id":1,"category_id":1,"categories":[{"id":1,"name":"announcement","icon":null}],"content":"blog started"}]}');
 	}
 
 	public function testEditCategoryWithBinaryContent()
 		$test->put('/categories/2','{"icon":"'.$base64url.'"}');
 		$test->expect('1');
 		$test->get('/categories/2');
-		$test->expect('{"id":"2","name":"article","icon":"'.$binary.'"}');
+		$test->expect('{"id":2,"name":"article","icon":"'.$binary.'"}');
 	}
 
 	public function testEditCategoryWithNull()
 		$test->put('/categories/2','{"icon":null}');
 		$test->expect('1');
 		$test->get('/categories/2');
-		$test->expect('{"id":"2","name":"article","icon":null}');
+		$test->expect('{"id":2,"name":"article","icon":null}');
 	}
 
 	public function testEditCategoryWithBinaryContentWithPost()
 		$test->put('/categories/2','icon='.$base64url);
 		$test->expect('1');
 		$test->get('/categories/2');
-		$test->expect('{"id":"2","name":"article","icon":"'.$binary.'"}');
+		$test->expect('{"id":2,"name":"article","icon":"'.$binary.'"}');
 	}
 
 	public function testListCategoriesWithBinaryContent()
 	{
 		$test = new API($this);
 		$test->get('/categories');
-		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[["1","announcement",null],["2","article","4oKsIABhYmMACg1cYgA="]]}}');
+		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null],[2,"article","4oKsIABhYmMACg1cYgA="]]}}');
 	}
 
 	public function testEditCategoryWithNullWithPost()
 		$test->put('/categories/2','icon__is_null');
 		$test->expect('1');
 		$test->get('/categories/2');
-		$test->expect('{"id":"2","name":"article","icon":null}');
+		$test->expect('{"id":2,"name":"article","icon":null}');
 	}
 
 	public function testAddPostFailure()
 	{
 		$test = new API($this);
-		$test->post('/posts','{"user_id":"a","category_id":"1","content":"tests"}');
+		$test->post('/posts','{"user_id":"a","category_id":1,"content":"tests"}');
 		$test->expect('null');
 	}
 
 	{
 		$test = new API($this);
 		$test->get('/users?filter=id,eq,1&transform=1');
-		$test->expect('{"users":[{"id":"1","username":"user1","location":null}]}');
+		$test->expect('{"users":[{"id":1,"username":"user1","location":null}]}');
 	}
 
 	public function testValidatorErrorMessage()
 		$test->put('/categories/2','{"name":"<script>alert();</script>"}');
 		$test->expect('1');
 		$test->get('/categories/2');
-		$test->expect('{"id":"2","name":"alert();","icon":null}');
+		$test->expect('{"id":2,"name":"alert();","icon":null}');
 	}
 
 	public function testErrorOnInvalidJson()
 	public function testErrorOnDuplicatePrimaryKey()
 	{
 		$test = new API($this);
-		$test->post('/posts','{"id":"1","user_id":"1","category_id":"1","content":"blog started (duplicate)"}');
+		$test->post('/posts','{"id":1,"user_id":1,"category_id":1,"content":"blog started (duplicate)"}');
 		$test->expect('null');
 	}
 
 	public function testErrorOnFailingForeignKeyConstraint()
 	{
 		$test = new API($this);
-		$test->post('/posts','{"user_id":"3","category_id":"1","content":"fk constraint"}');
+		$test->post('/posts','{"user_id":3,"category_id":1,"content":"fk constraint"}');
 		$test->expect('null');
 	}
 
 	{
 		$test = new API($this);
 		$test->get('/users?include=posts,tags');
-		$test->expect('{"users":{"columns":["id","username","location"],"records":[["1","user1",null]]},"posts":{"relations":{"user_id":"users.id"},"columns":["id","user_id","category_id","content"],"records":[["1","1","1","blog started"],["2","1","2","\u20ac Hello world, \u039a\u03b1\u03bb\u03b7\u03bc\u1f73\u03c1\u03b1 \u03ba\u1f79\u03c3\u03bc\u03b5, \u30b3\u30f3\u30cb\u30c1\u30cf"],["5","1","1","#1"],["6","1","1","#2"],["7","1","1","#3"],["8","1","1","#4"],["9","1","1","#5"],["10","1","1","#6"],["11","1","1","#7"],["12","1","1","#8"],["14","1","1","#10"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[["1","1","1"],["2","1","2"],["3","2","1"],["4","2","2"]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[["1","funny"],["2","important"]]}}');
+		$test->expect('{"users":{"columns":["id","username","location"],"records":[[1,"user1",null]]},"posts":{"relations":{"user_id":"users.id"},"columns":["id","user_id","category_id","content"],"records":[[1,1,1,"blog started"],[2,1,2,"\u20ac Hello world, \u039a\u03b1\u03bb\u03b7\u03bc\u1f73\u03c1\u03b1 \u03ba\u1f79\u03c3\u03bc\u03b5, \u30b3\u30f3\u30cb\u30c1\u30cf"],[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"],[8,1,1,"#4"],[9,1,1,"#5"],[10,1,1,"#6"],[11,1,1,"#7"],[12,1,1,"#8"],[14,1,1,"#10"]]},"post_tags":{"relations":{"post_id":"posts.id"},"columns":["id","post_id","tag_id"],"records":[[1,1,1],[2,1,2],[3,2,1],[4,2,2]]},"tags":{"relations":{"id":"post_tags.tag_id"},"columns":["id","name"],"records":[[1,"funny"],[2,"important"]]}}');
 	}
 
 	public function testEditUserPassword()
 		$test->expect('1');
 		$test->get('/users/1?columns=id,location');
 		if (PHP_CRUD_API_Config::$dbengine=='SQLServer') {
-			$test->expect('{"id":"1","location":"POINT (30 20)"}');
+			$test->expect('{"id":1,"location":"POINT (30 20)"}');
 		} else {
-			$test->expect('{"id":"1","location":"POINT(30 20)"}');
+			$test->expect('{"id":1,"location":"POINT(30 20)"}');
 		}
 	}
 
 		$test = new API($this);
 		$test->get('/users?columns=id,location');
 		if (PHP_CRUD_API_Config::$dbengine=='SQLServer') {
-			$test->expect('{"users":{"columns":["id","location"],"records":[["1","POINT (30 20)"]]}}');
+			$test->expect('{"users":{"columns":["id","location"],"records":[[1,"POINT (30 20)"]]}}');
 		} else {
-			$test->expect('{"users":{"columns":["id","location"],"records":[["1","POINT(30 20)"]]}}');
+			$test->expect('{"users":{"columns":["id","location"],"records":[[1,"POINT(30 20)"]]}}');
 		}
 	}
 
 	{
 		if (PHP_CRUD_API_Config::$dbengine!='SQLServer') {
 			$test = new API($this);
-			$test->put('/users/1','{"id":"2","password":"testtest2"}');
+			$test->put('/users/1','{"id":2,"password":"testtest2"}');
 			$test->expect('1');
 			$test->get('/users/1?columns=id,username,password');
-			$test->expect('{"id":"1","username":"user1","password":"testtest2"}');
+			$test->expect('{"id":1,"username":"user1","password":"testtest2"}');
 		}
 	}
 
 	{
 		$test = new API($this);
 		$test->get('/categories?filter[]=icon,is,null&transform=1');
-		$test->expect('{"categories":[{"id":"1","name":"announcement","icon":null},{"id":"2","name":"alert();","icon":null}]}');
+		$test->expect('{"categories":[{"id":1,"name":"announcement","icon":null},{"id":2,"name":"alert();","icon":null}]}');
 	}
 
 	public function testFilterCategoryOnNotNullIcon()
 	{
 		$test = new API($this);
 		$test->get('/posts?filter[]=id,nin,1,2,3,4,7,8,9,10,11,12,13,14&transform=1');
-		$test->expect('{"posts":[{"id":"5","user_id":"1","category_id":"1","content":"#1"},{"id":"6","user_id":"1","category_id":"1","content":"#2"}]}');
+		$test->expect('{"posts":[{"id":5,"user_id":1,"category_id":1,"content":"#1"},{"id":6,"user_id":1,"category_id":1,"content":"#2"}]}');
 	}
 
 	public function testFilterPostsBetween()
 	{
 		$test = new API($this);
 		$test->get('/posts?filter[]=id,bt,5,6&transform=1');
-		$test->expect('{"posts":[{"id":"5","user_id":"1","category_id":"1","content":"#1"},{"id":"6","user_id":"1","category_id":"1","content":"#2"}]}');
+		$test->expect('{"posts":[{"id":5,"user_id":1,"category_id":1,"content":"#1"},{"id":6,"user_id":1,"category_id":1,"content":"#2"}]}');
 	}
 
 	public function testFilterPostsNotBetween()
 	{
 		$test = new API($this);
 		$test->get('/posts?filter[]=id,nbt,2,13&transform=1');
-		$test->expect('{"posts":[{"id":"1","user_id":"1","category_id":"1","content":"blog started"},{"id":"14","user_id":"1","category_id":"1","content":"#10"}]}');
+		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"},{"id":14,"user_id":1,"category_id":1,"content":"#10"}]}');
 	}
 
 	public function testColumnsWithTable()
 	{
 		$test = new API($this);
 		$test->get('/posts?columns=posts.*&filter=id,eq,1&transform=1');
-		$test->expect('{"posts":[{"id":"1","user_id":"1","category_id":"1","content":"blog started"}]}');
+		$test->expect('{"posts":[{"id":1,"user_id":1,"category_id":1,"content":"blog started"}]}');
 	}
 
 	public function testColumnsOnInclude()
 	{
 		$test = new API($this);
 		$test->get('/posts?include=categories&columns=categories.name&filter=id,eq,1&transform=1');
-		$test->expect('{"posts":[{"category_id":"1","categories":[{"id":"1","name":"announcement"}]}]}');
+		$test->expect('{"posts":[{"category_id":1,"categories":[{"id":1,"name":"announcement"}]}]}');
 	}
 
 	public function testFilterOnRelationAnd()
 	{
 		$test = new API($this);
 		$test->get('/categories?include=posts&filter[]=id,ge,1&filter[]=id,le,1&filter[]=id,le,2&filter[]=posts.id,lt,8&filter[]=posts.id,gt,4');
-		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[["1","announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[["5","1","1","#1"],["6","1","1","#2"],["7","1","1","#3"]]}}');
+		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"]]}}');
 	}
 
 	public function testFilterOnRelationOr()
 	{
 		$test = new API($this);
 		$test->get('/categories?include=posts&filter[]=id,ge,1&filter[]=id,le,1&filter[]=posts.id,eq,5&filter[]=posts.id,eq,6&filter[]=posts.id,eq,7&satisfy=all,posts.any');
-		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[["1","announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[["5","1","1","#1"],["6","1","1","#2"],["7","1","1","#3"]]}}');
+		$test->expect('{"categories":{"columns":["id","name","icon"],"records":[[1,"announcement",null]]},"posts":{"relations":{"category_id":"categories.id"},"columns":["id","user_id","category_id","content"],"records":[[5,1,1,"#1"],[6,1,1,"#2"],[7,1,1,"#3"]]}}');
 	}
 
 	public function testColumnsOnWrongInclude()
 	{
 		$test = new API($this);
 		$test->get('/posts?include=categories&columns=categories&filter=id,eq,1&transform=1');
-		$test->expect('{"posts":[{"category_id":"1","categories":[{"id":"1"}]}]}');
+		$test->expect('{"posts":[{"category_id":1,"categories":[{"id":1}]}]}');
 	}
 
 	public function testColumnsOnImplicitJoin()
 	{
 		$test = new API($this);
 		$test->get('/posts?include=tags&columns=posts.id,tags.name&filter=id,eq,1&transform=1');
-		$test->expect('{"posts":[{"id":"1","post_tags":[{"post_id":"1","tag_id":"1","tags":[{"id":"1","name":"funny"}]},{"post_id":"1","tag_id":"2","tags":[{"id":"2","name":"important"}]}]}]}');
+		$test->expect('{"posts":[{"id":1,"post_tags":[{"post_id":1,"tag_id":1,"tags":[{"id":1,"name":"funny"}]},{"post_id":1,"tag_id":2,"tags":[{"id":2,"name":"important"}]}]}]}');
 	}
 
 	public function testSpatialFilterWithin()
 		if (PHP_CRUD_API_Config::$dbengine!='SQLite') {
 			$test = new API($this);
 			$test->get('/users?columns=id,username&filter=location,swi,POINT(30 20)');
-			$test->expect('{"users":{"columns":["id","username"],"records":[["1","user1"]]}}');
+			$test->expect('{"users":{"columns":["id","username"],"records":[[1,"user1"]]}}');
 		}
 	}
 
 	public function testAddPostsWithNonExistingCategory()
 	{ 
 		$test = new API($this);
-		$test->post('/posts','[{"user_id":"1","category_id":"1","content":"tests"},{"user_id":"1","category_id":"15","content":"tests"}]');
+		$test->post('/posts','[{"user_id":1,"category_id":1,"content":"tests"},{"user_id":1,"category_id":15,"content":"tests"}]');
 		$test->expect('null');
 		$test->get('/posts?columns=content&filter=content,eq,tests');
 		$test->expect('{"posts":{"columns":["content"],"records":[]}}');
 	public function testAddPosts()
 	{
 		$test = new API($this);
-		$test->post('/posts','[{"user_id":"1","category_id":"1","content":"tests"},{"user_id":"1","category_id":"1","content":"tests"}]');
+		$test->post('/posts','[{"user_id":1,"category_id":1,"content":"tests"},{"user_id":1,"category_id":1,"content":"tests"}]');
 		$test->expectAny();
 		$test->get('/posts?columns=content&filter=content,eq,tests');
 		$test->expect('{"posts":{"columns":["content"],"records":[["tests"],["tests"]]}}');
 	{
 		$test = new API($this);
 		$test->get('/tag_usage');
-		$test->expect('{"tag_usage":{"columns":["name","count"],"records":[["funny","2"],["important","2"]]}}');
+		$test->expect('{"tag_usage":{"columns":["name","count"],"records":[["funny",2],["important",2]]}}');
 	}
 
 	public function testUpdateMultipleTags()
 	{
 		$test = new API($this);
 		$test->get('/tags?transform=1');
-		$test->expect('{"tags":[{"id":"1","name":"funny"},{"id":"2","name":"important"}]}');
+		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
 		$test->put('/tags/1,2','[{"name":"funny"},{"name":"important"}]');
 		$test->expect('[1,1]');
 	}
 		$test->put('/tags/1,2,3','[{"name":"funny!!!"},{"name":"important"}]');
 		$test->expect(false,'Not found (subject)');
 		$test->get('/tags?transform=1');
-		$test->expect('{"tags":[{"id":"1","name":"funny"},{"id":"2","name":"important"}]}');
+		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
 	}
 
 	public function testUpdateMultipleTagsWithoutFields()
 		$test->put('/tags/1,2','[{"name":"funny!!!"},{}]');
 		$test->expect('null');
 		$test->get('/tags?transform=1');
-		$test->expect('{"tags":[{"id":"1","name":"funny"},{"id":"2","name":"important"}]}');
+		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
 	}
 
 	public function testDeleteMultipleTags()
 		$test->delete('/tags/3,4');
 		$test->expect('[1,1]');
 		$test->get('/tags?transform=1');
-		$test->expect('{"tags":[{"id":"1","name":"funny"},{"id":"2","name":"important"}]}');
+		$test->expect('{"tags":[{"id":1,"name":"funny"},{"id":2,"name":"important"}]}');
+	}
+
+	public function testListProducts()
+	{
+		$test = new API($this);
+		$test->get('/products?transform=1');
+		$test->expect('{"products":[{"id":1,"name":"Calculator","price":"23.01"}]}');
 	}
 }