How to use the Java API to build an Aggregation from JSON in 6.2.4?

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1

I found the same question here. But this is not working in ES 6.2.4.

In old version, we can do this:
SearchRequestBuilder builder = client.prepareSearch(index);
QueryBuilder queryBuilder = getQueryBuilder(query);
builder.setQuery(queryBuilder); // set query
builder.setAggregations(agg.toString().getBytes()); // set aggregation

But in 6.2.4, we only have these 2 APIs:
builder.addAggregation(AggregationBuilder aggregation)
builder.addAggregation(PipelineAggregationBuilder aggregation)

How to make the "set aggregation" from JSON string work correctly?

3

I have same issue, high level rest client doesn't seem to let you do it.

4

In the end, we use low level client to send the "json query string" directly to ES to get response.

5

I took a different route, made an XContentParser and parsed the json directly into a SearchSourceBuilder. The ES unit tests had some code for doing it.

6

@Matt_Chambers1 Can you show me the link about “ES unit tests” if you have it ? Thanks.

7

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