Explore the new openCypher custom functions and subquery support in Amazon Neptune
Database Blog
The article discusses new features in Amazon Neptune's openCypher query language for version 1.4.2.0, focusing on two major enhancements:
- Read-only CALL subquery support for executing complex queries across graph data
- New custom functions for text, collection, and sorting operations
Key new functions include:
- textIndexOf(): Finding substring positions
- collToSet(): Creating unique value collections
- collSubtract(): Removing list elements
- collIntersection(): Finding common list elements
- Multiple sorting functions like collSort() and collSortMaps()
These additions provide developers more flexibility in querying and manipulating graph data in Amazon Neptune, reducing complexity in application architectures.
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