[FIXUP] fix .connection_count

lib/manageiq/appliance_console/postgres_admin.rb

@@ -341,8 +341,9 @@ class << self
 
       disable_replication(dbname)
 
-      if connection_count(backup_type) > 1
-        message = "Database restore failed. #{connection_count - 1} connections remain to the database."
+      conn_count = connection_count(backup_type, dbname)
+      if conn_count > 1
+        message = "Database restore failed. #{conn_count - 1} connections remain to the database."
         ManageIQ::ApplianceConsole.logger.error(message)
         raise message
       end
@@ -389,12 +390,12 @@ class << self
 
       with_pg_connection do |conn|
         query  = "SELECT COUNT(pid) FROM pg_stat_activity"
-        query << " WHERE backend_type = 'client backend'" if backend_type == :basebackup
-        query << " WHERE datname = '#{dbname}'"           if backend_type == :pgdump
+        query << " WHERE backend_type = 'client backend'" if backup_type == :basebackup
+        query << " WHERE datname = '#{dbname}'"           if backup_type == :pgdump
         result = conn.exec()
       end
 
-      result = conn.result[0]["count"]
+      result = conn.result[0]["count"].to_i
     end
 
     private_class_method def self.validate_backup_file_type file