Dorin Marcoci Added Firebrid native type mapping for integers (smallint, integer, bigint) in #PDO #PHP

Dorin Marcoci Added Firebrid native type mapping for integers (smallint, integer, bigint) in PDO_Firebird driver

Testing is welcome! You need to compile his own branch

Related PDO_Firebird feature request https://bugs.php.net/bug.php?id=72583