Sorry if I'm musguided it this, but zabbix-server does not, and should not depend on php-pgsql, it's the zabbix-frontend-php, that should, and does depend on php5-pgsql OR php5-mysql.
The whole problem here is that apt installs the mysql variant, when it should use the pgsql version.
Sorry if I'm musguided it this, but zabbix-server does not, and should not depend on php-pgsql, it's the zabbix- frontend- php, that should, and does depend on php5-pgsql OR php5-mysql.
The whole problem here is that apt installs the mysql variant, when it should use the pgsql version.