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You're reading from  Advanced Elasticsearch 7.0

Product typeBook
Published inAug 2019
Reading LevelBeginner
PublisherPackt
ISBN-139781789957754
Edition1st Edition
Languages
Java
Tools
Elasticsearch
Concepts
Enterprise Search
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Author (1)
Wai Tak Wong
Wai Tak Wong
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Wai Tak Wong

Wai Tak Wong is a faculty member in the Department of Computer Science at Kean University, NJ, USA. He has more than 15 years professional experience in cloud software design and development. His PhD in computer science was obtained at NJIT, NJ, USA. Wai Tak has served as an associate professor in the Information Management Department of Chung Hua University, Taiwan. A co-founder of Shanghai Shellshellfish Information Technology, Wai Tak acted as the Chief Scientist of the R&D team, and he has published more than a dozen algorithms in prestigious journals and conferences. Wai Tak began his search and analytics technology career with Elasticsearch in the real estate market and later applied this to data management and FinTech data services.
Read more about Wai Tak Wong

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Mapping parameters

The mapping parameters define the ways to store the document fields, the methodologies and options to index, the information of the fields to expose, the additional procedure to perform, and how the mapped data is analyzed during index and search. We will endeavor to explain all the supported mapping parameters in the following tables:

Mapping parameter

Description

Example

How it stores

store

Whether to store the field value. The default value is false.

"field_1":{"type":"type_1", "store":true}

doc_values

It stores the same values as _source, but in a column-oriented manner. It is designed for sorting and aggregations. The default value is true.

"field_1":{"type":"text", "doc_values":false}

term_vector

Whether to store the information of the terms...

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Advanced Elasticsearch 7.0
Published in: Aug 2019Publisher: PacktISBN-13: 9781789957754
© 2019 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Wai Tak Wong

Wai Tak Wong is a faculty member in the Department of Computer Science at Kean University, NJ, USA. He has more than 15 years professional experience in cloud software design and development. His PhD in computer science was obtained at NJIT, NJ, USA. Wai Tak has served as an associate professor in the Information Management Department of Chung Hua University, Taiwan. A co-founder of Shanghai Shellshellfish Information Technology, Wai Tak acted as the Chief Scientist of the R&D team, and he has published more than a dozen algorithms in prestigious journals and conferences. Wai Tak began his search and analytics technology career with Elasticsearch in the real estate market and later applied this to data management and FinTech data services.
Read more about Wai Tak Wong

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