Updating data

My logstash adding data from database again and again. If I have 100 rows in database, logstash adding 100 rows, then 100 more rows, etc.
If I have in logstash OUTPUT in elasticsearch the field: document_id => "%{[ID]}, then program update my data again and again. It is like 88 rows, f5 99 rows, f5 3 rows, f5 45 rows, etc.