Elastic Search: How to write multi statement scripts?

Question

I have values stored on a document in an Elasticsearch index.
I need to do some date manipulation on the values and return a boolean value to be used in a filter.
Th

Answer 1

If you want to break your script into multiple lines you have to surrond your script with """ docs

`"query": {
    "function_score": {
      "script_score": {
        "script": {
          "lang": "painless",
          "source": """
            int total = 0;
            for (int i = 0; i < doc['goals'].length; ++i) {
              total += doc['goals'][i];
            }
            return total;
          """
        }
      }
    }
  }
}`

Update: For some versions of Elasticsearch source should be replaced with inline docs

Answer 2

You simply need to separate each statement with a semicolon:

"script": {
    "script": "isCompleted = doc['state'].value == 'completed'; preSLA = doc['lastStateUpdate'].value < doc['dueDate'].value; return isCompleted && preSLA;"
    }

Make sure to not add line breaks inside your script string, though, as it would not be valid JSON.