August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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The script query
The query clause is written in a given user-defined script. Usually, it is used in the filter context where the filter parameter is placed in a bool query after must or should clauses. Let's look at an example of using a bool query to embed a filter with a script query. This example will retrieve the ETFs with the fund_name field starting with ishares edge and rating≥4, as shown in the following screenshot. There are 4 ETFs in total:
The interval query also supports embedding the script query. In the next section, we will discuss how to address the multiple search query.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.