phpbb/db/tools service replacement- phpBB 3.1

db_tools_service_replacement.php

<?php

/* Your extension namespace here */
namespace my_vendor\my_awesome_extension_name;

/* Your filename (w/extension) for this class here */
class db_tools_service_replacement extends \phpbb\db\tools
{
	public function __construct(\phpbb\db\driver\driver_interface $db, $return_statements = false)
	{
		parent::__construct($db);

		/* Your DB Tools DBAL's additional replacements */
		$float_type = array(
			'mysql_41'		=> 'float(10, 5)',
			'mysql_40'		=> 'float(10, 5)',
			'mssql'			=> '[float]',
			'mssqlnative'	=> '[float]',
			'oracle'		=> 'number(10, 5)',
			'sqlite'		=> 'float(10, 5)',
			'sqlite3'		=> 'float(10, 5)',
			'postgres'		=> 'float(10, 5)',
		);

		foreach ($float_type as $sql_layer => $type)
		{
			/* The name of the DB Tools addition here */
			$this->dbms_type_map[$sql_layer]['FLOAT'] = $type;
		}
	}
}