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Apache Solr Search Patterns

You're reading from   Apache Solr Search Patterns Leverage the power of Apache Solr to power up your business by navigating your users to their data quickly and efficiently

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Product type Paperback
Published in Apr 2015
Publisher
ISBN-13 9781783981847
Length 316 pages
Edition 1st Edition
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Author (1):
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Jayant Kumar Jayant Kumar
Author Profile Icon Jayant Kumar
Jayant Kumar
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Table of Contents (12) Chapters Close

Preface 1. Solr Indexing Internals 2. Customizing the Solr Scoring Algorithm FREE CHAPTER 3. Solr Internals and Custom Queries 4. Solr for Big Data 5. Solr in E-commerce 6. Solr for Spatial Search 7. Using Solr in an Advertising System 8. AJAX Solr 9. SolrCloud 10. Text Tagging with Lucene FST Index

Sorting


In addition to search, we also need to provide sorting options on an e-commerce website. By default, the search results are ordered by the relevancy score that has been computed on the basis of the boosting we have provided. However, there would still be requirements to sort the search results by other factors such as price, discount, or latest products. Sorting by already known fields is simple. All we need to do is add the sorting criteria behind our Solr search query:

sort=price asc

Alternatively, add the following sorting code:

sort=price desc

The intelligence that needs to be built into the system here is sorting by relevance after price. This is to take care of scenarios where the ordered results may contain irrelevant results in the top when, say, sorted by price in the ascending order. Therefore, we would be modifying our query to include the score while sorting:

sort=price asc,score desc

Now, the top results would be better. Another intelligence that needs to be taken care of...

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