Recursion

Technical Article

Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays

  • Script

This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node.  The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression. 

You rated this post out of 5. Change rating

2019-11-25 (first published: )

797 reads

Technical Article

Function and Queries to Convert Hierarchical Adjacency to Nested Json Arrays

  • Script

This script converts hierarchical adjacency into nested json rows which contain the recursive "downlines" of each node.  The table-valued function treats each row in the original adjacency as the root node in a recursive common table expression. 

You rated this post out of 5. Change rating

2019-11-12 (first published: )

2,077 reads

Blogs

T-SQL Tuesday #198–Change Detection

By

This month we have a new host, Meagan Longoria, who graciously agreed to help...

Redgate and Rome

By

I’m at the UK Redgate office today, meeting with senior leaders in all areas...

Quick Tip: Check Most DTU Expensive Queries in Azure SQL Database

By

Optimizing Azure SQL Database performance often begins with identifying the most resource-intensive queries. Understanding...

Read the latest Blogs

Forums

Permissions Removal When Changing Object Schema

By Brandie Tarvin

When the schema of an object is changed, SQL Server wipes out the previous...

SSRS Is Dead. Here Are Your Real Options

By sgharlow

Comments posted to this topic are about the item SSRS Is Dead. Here Are...

The Distance Metric

By Steve Jones - SSC Editor

Comments posted to this topic are about the item The Distance Metric

Visit the forum

Question of the Day

The Distance Metric

In the new VECTOR_DISTANCE() function in SQL Server 2025, the first parameter is the distance_metric. What is this?

See possible answers