* add `id` field to elasticsearch
* add comment
* slightly better perf
* only add `id` to logs frames
* only add `id` for logs responses
* concat `index` and `id`
* change snapshot generation to false
* use better loop
* fix tests
* moved up
* Elasticsearch: Fix passing of limit and datalinks to logs data frame
* Update public/app/core/logsModel.ts
Co-authored-by: François Massot <francois.massot@gmail.com>
---------
Co-authored-by: François Massot <francois.massot@gmail.com>
* Elasticsearch: Fix parsing of invalid time
* Fix lint
* Add more test data to data.js
* Add tests
* Fix lint
* Update pkg/tsdb/elasticsearch/client/search_request.go
* Elasticsearch: Add highlight for logs
* Fix running of queries trough backend only when shouldRunTroughBackend
* Fix incorrect json in test string
* Address feedback
* Keep order of words same
* Elasticsearch: Add processing of logs query to backend
* Add and fix tests
* Add snapshot tests
* Fix test in ES client
* Small updates, remove redundant logic
* Refactor setPreferredVisType to improve readability
