Thread:Project:Support desk/Fatal error update to Mediawii 1.23: DatabaseBase::factory no viable database extension found for type 'mysql'

Hi can you help me? I have this error when call the script for Update from the new directory of mediawiki/opt/unbit/php555/bin/php maintenance/update.php [no req]   Exception from line 851 of includes/db/Database.php DatabaseBase::factory no viable database extension found for type 'mysql'

but I verified taht the Mysql is supported because with a test php info file I see PHP Version 5.4.19

mysql

MySQL Support	enabled Active Persistent Links	0 Active Links	0 Client API version	5.5.9 MYSQL_MODULE_TYPE	external MYSQL_SOCKET	/var/run/mysqld/mysqld.sock MYSQL_INCLUDE	-I/opt/unbit/mysql559//include MYSQL_LIBS	-L/opt/unbit/mysql559//lib -lmysqlclient

Directive	Local Value	Master Value mysql.allow_local_infile	On	On mysql.allow_persistent	On	On mysql.connect_timeout	60	60 mysql.default_host	no value	no value mysql.default_password	no value	no value mysql.default_port	no value	no value mysql.default_socket	/var/run/mysqld/mysqld.sock	/var/run/mysqld/mysqld.sock mysql.default_user	no value	no value mysql.max_links	Unlimited	Unlimited mysql.max_persistent	Unlimited	Unlimited mysql.trace_mode	Off	Off