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Graph Data Processing with Cypher

You're reading from   Graph Data Processing with Cypher A practical guide to building graph traversal queries using the Cypher syntax on Neo4j

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Product type Paperback
Published in Dec 2022
Publisher Packt
ISBN-13 9781804611074
Length 332 pages
Edition 1st Edition
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Author (1):
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Ravindranatha Anthapu Ravindranatha Anthapu
Author Profile Icon Ravindranatha Anthapu
Ravindranatha Anthapu
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Toc

Table of Contents (18) Chapters Close

Preface 1. Part 1: Cypher Introduction
2. Chapter 1: Introduction to Neo4j and Cypher FREE CHAPTER 3. Chapter 2: Components of Cypher 4. Part 2: Working with Cypher
5. Chapter 3: Loading Data with Cypher 6. Chapter 4: Querying Graph 7. Chapter 5: Filtering, Sorting, and Aggregations 8. Chapter 6: List Expressions, UNION, and Subqueries 9. Part 3: Advanced Cypher Concepts
10. Chapter 7: Working with Lists and Maps 11. Chapter 8: Advanced Query Patterns 12. Chapter 9: Query Tuning 13. Chapter 10: Using APOC Utilities 14. Chapter 11: Cypher Ecosystem 15. Chapter 12: Tips and Tricks 16. Index 17. Other Books You May Enjoy

Working with the WITH clause

In Cypher, the WITH clause allows individual queries to be chained together by streaming the results from the first part of the query to the next part of the query. It allows you to manipulate the query result before it is passed on to the next part of the query.

We will take a look at different ways in which we can work with the WITH clause. We will start by introducing the variables at the beginning of the Cypher query.

Introducing variables at the start

When a query starts with the WITH clause, we need to introduce the variables for the next part of the query.

Let’s look at an example:

WITH range(1,5,1) as list
RETURN list

In this query, we are introducing a variable called list and returning it.

The following screenshot shows how to prepare a new variable using the WITH clause and return values based on that variable.

Figure 8.1 – Basic WITH usage introducing a new variable at the start

Now...

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