August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Compound queries
Compound queries are used to combine multiple clauses to build a complex query. There are several sub-type queries, and each of these are described briefly in the following table.
| Sub-type | ||
| bool | Description | This query combines query clauses using Boolean equivalent operators such as must, must_not,and should to provide more relevant or specific results. |
| Example | "bool": {"must": {"match_phrase_prefix": {"fund_name": "ishares edge" }}, "must_not": {"match": {"fund_name":"global"}}} | |
| boosting | Description | When searching for multiple fields with term query, we may want to increase the weight of the score of some fields. You can specify a positive query and a negative query. A negative_boost parameter will be specified ... |
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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.