August 2019
Intermediate to advanced
560 pages
13h 41m
English
Content preview from Advanced Elasticsearch 7.0
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Static mapping for the sample document
Recall that the ETF sample document has seven fixed fields and two optional fields. The following is our static mapping for the sample document:
|
Field name |
JSON datatype |
Mapping datatype |
|
symbol |
string |
keyword |
|
fund_name |
string |
text |
|
rating |
integer |
byte |
|
morningstar_category |
string |
keyword |
|
category |
string |
keyword |
|
family |
string |
keyword |
|
market_cap |
string |
keyword |
|
description |
text |
text with keyword |
|
exchange |
string |
keyword |
Let's delete the cf_etf index first and recreate the same index with static mapping, as shown in the following screenshot:
The user can see that we have not included the exchange field in the mappings ...
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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.