Minor coding style fix.

framework/yii/db/mysql/QueryBuilder.php

@@ -92,9 +92,9 @@ class QueryBuilder extends \yii\db\QueryBuilder
 	 * Builds a SQL statement for removing a primary key constraint to an existing table.
 	 * @param string $name the name of the primary key constraint to be removed.
 	 * @param string $table the table that the primary key constraint will be removed from.
-	 * @return string the SQL statement for removing a primary key constraint from an existing table.	 *
+	 * @return string the SQL statement for removing a primary key constraint from an existing table.
 	 */
-	public function dropPrimarykey($name, $table)
+	public function dropPrimaryKey($name, $table)
 	{
 		return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' DROP PRIMARY KEY';
 	}
@@ -124,7 +124,7 @@ class QueryBuilder extends \yii\db\QueryBuilder
 		} elseif ($table === null) {
 			throw new InvalidParamException("Table not found: $tableName");
 		} else {
-			throw new InvalidParamException("There is not sequence associated with table '$tableName'.'");
+			throw new InvalidParamException("There is not sequence associated with table '$tableName'.");
 		}
 	}
 

framework/yii/db/pgsql/QueryBuilder.php

@@ -37,5 +37,4 @@ class QueryBuilder extends \yii\db\QueryBuilder
 		Schema::TYPE_BOOLEAN => 'boolean',
 		Schema::TYPE_MONEY => 'numeric(19,4)',
 	);
-
 }