typo: primarykey -> primaryKey

framework/yii/db/sqlite/QueryBuilder.php

@@ -200,7 +200,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
 	 * @return string the SQL statement for removing a primary key constraint from an existing table.
 	 * @throws NotSupportedException this is not supported by SQLite	 *
 	 */
-	public function dropPrimarykey($name, $table)
+	public function dropPrimaryKey($name, $table)
 	{
 		throw new NotSupportedException(__METHOD__ . ' is not supported by SQLite.');		
 	}		

tests/unit/framework/db/QueryBuilderTest.php

@@ -119,7 +119,7 @@ class QueryBuilderTest extends DatabaseTestCase
 		$this->assertEquals(1, count($tableSchema->primaryKey));
 
 		//DROP
-		$qb->db->createCommand()->dropPrimarykey($pkeyName, $tableName)->execute();
+		$qb->db->createCommand()->dropPrimaryKey($pkeyName, $tableName)->execute();
 		$qb = $this->getQueryBuilder(); // resets the schema
 		$tableSchema = $qb->db->getSchema()->getTableSchema($tableName);
 		$this->assertEquals(0, count($tableSchema->primaryKey));