PostgreSQL: Don't treat interval type as number (bug #474)

adminer/drivers/mysql.inc.php

@@ -1071,7 +1071,7 @@ if (!defined("DRIVER")) {
 			"binary" => "md5/sha1",
 			"date|time" => "now",
 		), array(
-			"(^|[^o])int|float|double|decimal" => "+/-", // not point
+			number_type() => "+/-",
 			"date" => "+ interval/- interval",
 			"time" => "addtime/subtime",
 			"char|text" => "concat",

adminer/drivers/pgsql.inc.php

@@ -789,7 +789,7 @@ AND typelem = 0"
 			"char" => "md5",
 			"date|time" => "now",
 		), array(
-			"int|numeric|real|money" => "+/-",
+			number_type() => "+/-",
 			"date|time" => "+ interval/- interval", //! escape
 			"char|text" => "||",
 		)