- change check to strict for `options` of `$fieldParameters`

- add `types` parameter and strict check if it present in `$fieldParameters` (if it present and not contain column type field parameter will be skipped)
- add `noVal` parameter to `$fieldParameters` if it present and not empty value of this parameter from column will be ignored
- add `unsigned` column type for integer, float and biginteger. If it set to `true` an 'UNSIGNED' will be add in sql column part, if not set or set not to `true` this parameter will be skipped

lib/Cake/Model/Datasource/Database/Mysql.php

@@ -86,7 +86,13 @@ class Mysql extends DboSource {
 	public $fieldParameters = array(
 		'charset' => array('value' => 'CHARACTER SET', 'quote' => false, 'join' => ' ', 'column' => false, 'position' => 'beforeDefault'),
 		'collate' => array('value' => 'COLLATE', 'quote' => false, 'join' => ' ', 'column' => 'Collation', 'position' => 'beforeDefault'),
-		'comment' => array('value' => 'COMMENT', 'quote' => true, 'join' => ' ', 'column' => 'Comment', 'position' => 'afterDefault')
+		'comment' => array('value' => 'COMMENT', 'quote' => true, 'join' => ' ', 'column' => 'Comment', 'position' => 'afterDefault'),
+		'unsigned' => array(
+			'value' => 'UNSIGNED', 'quote' => false, 'join' => ' ', 'column' => false, 'position' => 'afterDefault',
+			'noVal' => true,
+			'options' => array(true),
+			'types' => array('integer', 'float', 'biginteger')
+		)
 	);
 
 /**

lib/Cake/Model/Datasource/DboSource.php

@@ -3142,14 +3142,18 @@ class DboSource extends DataSource {
 	protected function _buildFieldParameters($columnString, $columnData, $position) {
 		foreach ($this->fieldParameters as $paramName => $value) {
 			if (isset($columnData[$paramName]) && $value['position'] == $position) {
-				if (isset($value['options']) && !in_array($columnData[$paramName], $value['options'])) {
+				if (isset($value['options']) && !in_array($columnData[$paramName], $value['options'], true)) {
 					continue;
 				}
+				if (isset($value['types']) && !in_array($columnData['type'], $value['types'], true)) {
+					continue;
+				}
+				
 				$val = $columnData[$paramName];
 				if ($value['quote']) {
 					$val = $this->value($val);
 				}
-				$columnString .= ' ' . $value['value'] . $value['join'] . $val;
+				$columnString .= ' ' . $value['value'] . (empty($value['noVal']) ? $value['join'] . $val : '');
 			}
 		}
 		return $columnString;

lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php

@@ -3154,6 +3154,100 @@ class MysqlTest extends CakeTestCase {
 		);
 		$this->Dbo->buildColumn($data);
 	}
+	
+	
+/**
+ * testBuildColumn3 method
+ *
+ * @param array $data Column data
+ * @param string $expected Expected sql part
+ * 
+ * @return void
+ * 
+ * @dataProvider buildColumn3Provider
+ */
+	public function testBuildColumn3($data, $expected) {
+		$restore = $this->Dbo->columns;
+		$this->Dbo->columns = array('string' => 1, 'integer' => 1, 'float' => 1, 'biginteger' => 1, 'any' => 1);
+
+		$result = $this->Dbo->buildColumn($data);
+		$this->assertEquals($expected, $result);
+		
+		$this->Dbo->columns = $restore;
+	}
+	
+/**
+ * Data provider testBuildColumn3 method
+ *
+ * @return array
+ */
+	public function buildColumn3Provider() {
+		return array(
+			//set #0
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'integer',
+					'unsigned' => true
+				),
+				'`testName`  UNSIGNED'
+			),
+			//set #1
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'biginteger',
+					'unsigned' => true
+				),
+				'`testName`  UNSIGNED'
+			),
+			//set #2
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'float',
+					'unsigned' => true
+				),
+				'`testName`  UNSIGNED'
+			),
+			//set #3
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'string',
+					'unsigned' => true
+				),
+				'`testName` '
+			),
+			//set #4
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'any',
+					'unsigned' => true
+				),
+				'`testName` '
+			),
+			//set #5
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'any',
+					'unsigned' => false
+				),
+				'`testName` '
+			),
+			//set #6
+			array(
+				array(
+					'name' => 'testName',
+					'type' => 'integer',
+					'unsigned' => false
+				),
+				'`testName` '
+			)
+		);
+	}
 
 /**
  * test hasAny()