How to determine a difference in results from the same query?

My settings:
Elasticsearch version ( bin/elasticsearch --version ):
Plugins installed :

JVM version ( java -version ):
openjdk version "1.8.0_222"
OpenJDK Runtime Environment (build 1.8.0_222-8u222-b10-1ubuntu1~16.04.1-b10)
OpenJDK 64-Bit Server VM (build 25.222-b10, mixed mode)

OS version ( uname -a if on a Unix-like system):
Linux myserver 4.4.0-131-generic #157-Ubuntu SMP Thu Jul 12 15:51:36 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

Hi all,

I'm wondering how I could determine a difference of the results within the resulted documents with the same query?

For Example:
On Monday I perform the query:

  "query": {
    "bool": {
      "must": [
          "nested": {
            "path": "transactions",
            "query": {
              "range": {
                "": {
                  "gte": "2000-01-01",
                  "lte": "2019-12-31"
  "size": 500,
  "_source": [

In this example I get 205 results.

On Friday I perform the same query as above
I get 205 results again, BUT within one of the transactions in one of the documents, something has changed.

How would I be able to determine such a change?

I tried to google for quite a while without any concrete results or people with similar problems.

I came up with a solution in theory and would like have some opinions, its as follows:

  • I would; Compute a hash of the transactions within the document, perhaps the whole array computed as a hash and put this hash into the document as a seperate field.
  • Use this hash for comparison when I perform the same search later and compare the hashes from the result to the ones stored in my DB.

Thanks in advance!

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