diff --git a/Cake/Database/Schema/SqliteSchema.php b/Cake/Database/Schema/SqliteSchema.php
index 50858a22105..2b6dc9029f7 100644
--- a/Cake/Database/Schema/SqliteSchema.php
+++ b/Cake/Database/Schema/SqliteSchema.php
@@ -1,7 +1,5 @@
 <?php
 /**
- * PHP Version 5.4
- *
  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  *
@@ -42,7 +40,7 @@ class SqliteSchema extends BaseSchema {
  * @return array Array of column information.
  */
 	protected function _convertColumn($column) {
-		preg_match('/([a-z]+)(?:\(([0-9,]+)\))?/i', $column, $matches);
+		preg_match('/([a-z]+)(?:\(([0-9,]+)\))?\s*([a-z]+)?/i', $column, $matches);
 		if (empty($matches)) {
 			throw new Exception(__d('cake_dev', 'Unable to parse column type from "%s"', $column));
 		}
@@ -51,26 +49,25 @@ protected function _convertColumn($column) {
 		if (isset($matches[2])) {
 			$length = (int)$matches[2];
 		}
+		$unsigned = (isset($matches[3]) && strtolower($matches[3]) === 'unsigned');
 
 		if ($col === 'bigint') {
-			return ['type' => 'biginteger', 'length' => $length];
+			return ['type' => 'biginteger', 'length' => $length, 'unsigned' => $unsigned];
 		}
-		if (in_array($col, ['blob', 'clob'])) {
-			return ['type' => 'binary', 'length' => null];
+		if (strpos($col, 'decimal') !== false) {
+			return ['type' => 'decimal', 'length' => null, 'unsigned' => $unsigned];
 		}
-		if (in_array($col, ['date', 'time', 'timestamp', 'datetime'])) {
-			return ['type' => $col, 'length' => null];
+		if (strpos($col, 'int') !== false) {
+			return ['type' => 'integer', 'length' => $length, 'unsigned' => $unsigned];
 		}
-		if (strpos($col, 'decimal') !== false) {
-			return ['type' => 'decimal', 'length' => null];
+		if (in_array($col, ['float', 'real', 'double'])) {
+			return ['type' => 'float', 'length' => null, 'unsigned' => $unsigned];
 		}
 
 		if (strpos($col, 'boolean') !== false) {
 			return ['type' => 'boolean', 'length' => null];
 		}
-		if (strpos($col, 'int') !== false) {
-			return ['type' => 'integer', 'length' => $length];
-		}
+
 		if ($col === 'char' && $length === 36) {
 			return ['type' => 'uuid', 'length' => null];
 		}
@@ -80,9 +77,14 @@ protected function _convertColumn($column) {
 		if (strpos($col, 'char') !== false) {
 			return ['type' => 'string', 'length' => $length];
 		}
-		if (in_array($col, ['float', 'real', 'double'])) {
-			return ['type' => 'float', 'length' => null];
+
+		if (in_array($col, ['blob', 'clob'])) {
+			return ['type' => 'binary', 'length' => null];
+		}
+		if (in_array($col, ['date', 'time', 'timestamp', 'datetime'])) {
+			return ['type' => $col, 'length' => null];
 		}
+
 		return ['type' => 'text', 'length' => null];
 	}
 
@@ -239,6 +241,14 @@ public function columnSql(Table $table, $name) {
 		) {
 			$out .= '(' . (int)$data['length'] . ',' . (int)$data['precision'] . ')';
 		}
+		$hasUnsigned = ['biginteger', 'integer', 'float', 'decimal'];
+		if (
+			in_array($data['type'], $hasUnsigned, true) &&
+			isset($data['unsigned']) && $data['unsigned'] === true
+		) {
+			$out .= ' UNSIGNED';
+		}
+
 		if (isset($data['null']) && $data['null'] === false) {
 			$out .= ' NOT NULL';
 		}
diff --git a/Cake/Test/TestCase/Database/Schema/SqliteSchemaTest.php b/Cake/Test/TestCase/Database/Schema/SqliteSchemaTest.php
index 38dd8b2ae1d..bfe82d2796c 100644
--- a/Cake/Test/TestCase/Database/Schema/SqliteSchemaTest.php
+++ b/Cake/Test/TestCase/Database/Schema/SqliteSchemaTest.php
@@ -1,7 +1,5 @@
 <?php
 /**
- * PHP Version 5.4
- *
  * CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
  * Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
  *
@@ -63,7 +61,11 @@ public static function convertColumnProvider() {
 			],
 			[
 				'BIGINT',
-				['type' => 'biginteger', 'length' => null]
+				['type' => 'biginteger', 'length' => null, 'unsigned' => false]
+			],
+			[
+				'BIGINT UNSIGNED',
+				['type' => 'biginteger', 'length' => null, 'unsigned' => true]
 			],
 			[
 				'VARCHAR(255)',
@@ -83,31 +85,43 @@ public static function convertColumnProvider() {
 			],
 			[
 				'INTEGER(11)',
-				['type' => 'integer', 'length' => 11]
+				['type' => 'integer', 'length' => 11, 'unsigned' => false]
+			],
+			[
+				'INTEGER(11) UNSIGNED',
+				['type' => 'integer', 'length' => 11, 'unsigned' => true]
 			],
 			[
 				'TINYINT(5)',
-				['type' => 'integer', 'length' => 5]
+				['type' => 'integer', 'length' => 5, 'unsigned' => false]
 			],
 			[
 				'MEDIUMINT(10)',
-				['type' => 'integer', 'length' => 10]
+				['type' => 'integer', 'length' => 10, 'unsigned' => false]
 			],
 			[
 				'FLOAT',
-				['type' => 'float', 'length' => null]
+				['type' => 'float', 'length' => null, 'unsigned' => false]
 			],
 			[
 				'DOUBLE',
-				['type' => 'float', 'length' => null]
+				['type' => 'float', 'length' => null, 'unsigned' => false]
+			],
+			[
+				'DOUBLE UNSIGNED',
+				['type' => 'float', 'length' => null, 'unsigned' => true]
 			],
 			[
 				'REAL',
-				['type' => 'float', 'length' => null]
+				['type' => 'float', 'length' => null, 'unsigned' => false]
 			],
 			[
 				'DECIMAL(11,2)',
-				['type' => 'decimal', 'length' => null]
+				['type' => 'decimal', 'length' => null, 'unsigned' => false]
+			],
+			[
+				'DECIMAL(11,2) UNSIGNED',
+				['type' => 'decimal', 'length' => null, 'unsigned' => true]
 			],
 		];
 	}
@@ -214,8 +228,8 @@ public function testDescribeTable() {
 				'default' => null,
 				'length' => null,
 				'precision' => null,
-				'fixed' => null,
 				'comment' => null,
+				'unsigned' => false,
 			],
 			'title' => [
 				'type' => 'string',
@@ -232,7 +246,6 @@ public function testDescribeTable() {
 				'default' => null,
 				'length' => null,
 				'precision' => null,
-				'fixed' => null,
 				'comment' => null,
 			],
 			'author_id' => [
@@ -240,8 +253,8 @@ public function testDescribeTable() {
 				'null' => false,
 				'default' => null,
 				'length' => 11,
+				'unsigned' => false,
 				'precision' => null,
-				'fixed' => null,
 				'comment' => null,
 			],
 			'published' => [
@@ -250,7 +263,6 @@ public function testDescribeTable() {
 				'default' => 0,
 				'length' => null,
 				'precision' => null,
-				'fixed' => null,
 				'comment' => null,
 			],
 			'created' => [
@@ -259,7 +271,6 @@ public function testDescribeTable() {
 				'default' => null,
 				'length' => null,
 				'precision' => null,
-				'fixed' => null,
 				'comment' => null,
 			],
 		];
@@ -369,28 +380,38 @@ public static function columnSqlProvider() {
 			// Integers
 			[
 				'post_id',
-				['type' => 'integer', 'length' => 11],
+				['type' => 'integer', 'length' => 11, 'unsigned' => false],
 				'"post_id" INTEGER(11)'
 			],
 			[
 				'post_id',
-				['type' => 'biginteger', 'length' => 20],
+				['type' => 'biginteger', 'length' => 20, 'unsigned' => false],
 				'"post_id" BIGINT'
 			],
+			[
+				'post_id',
+				['type' => 'biginteger', 'length' => 20, 'unsigned' => true],
+				'"post_id" BIGINT UNSIGNED'
+			],
 			// Decimal
 			[
 				'value',
-				['type' => 'decimal'],
+				['type' => 'decimal', 'unsigned' => false],
 				'"value" DECIMAL'
 			],
 			[
 				'value',
-				['type' => 'decimal', 'length' => 11],
+				['type' => 'decimal', 'length' => 11, 'unsigned' => false],
 				'"value" DECIMAL(11,0)'
 			],
 			[
 				'value',
-				['type' => 'decimal', 'length' => 12, 'precision' => 5],
+				['type' => 'decimal', 'length' => 11, 'unsigned' => true],
+				'"value" DECIMAL(11,0) UNSIGNED'
+			],
+			[
+				'value',
+				['type' => 'decimal', 'length' => 12, 'precision' => 5, 'unsigned' => false],
 				'"value" DECIMAL(12,5)'
 			],
 			// Float
@@ -401,9 +422,14 @@ public static function columnSqlProvider() {
 			],
 			[
 				'value',
-				['type' => 'float', 'length' => 11, 'precision' => 3],
+				['type' => 'float', 'length' => 11, 'precision' => 3, 'unsigned' => false],
 				'"value" FLOAT(11,3)'
 			],
+			[
+				'value',
+				['type' => 'float', 'length' => 11, 'precision' => 3, 'unsigned' => true],
+				'"value" FLOAT(11,3) UNSIGNED'
+			],
 			// Boolean
 			[
 				'checked',