$table = $wpdb->prefix ."eshop_base_products";
if ($wpdb->get_var("show tables like '$table'") != $table) {
        $sql = "CREATE TABLE ".$table." (
        post_id BIGINT( 20 ) NOT NULL,
        img TEXT NOT NULL default '',
        brand VARCHAR( 255 ) NOT NULL default '',
        ptype VARCHAR( 255 ) NOT NULL default '',
        condition VARCHAR( 255 ) NOT NULL default '',
        expiry DATE NOT NULL default '00-00-0000',
        ean VARCHAR( 255 ) NOT NULL default '',
        isbn VARCHAR( 255 ) NOT NULL default '',
        mpn VARCHAR( 255 ) NOT NULL default '',
        qty INT( 5 ) NOT NULL default '',
        xtra TEXT NOT NULL default '',
        PRIMARY KEY ( post_id )
        );";
        error_log("creating table $table");
        //$wpdb->query($sql);
        dbDelta($sql);
}