From C Code to Database Index: Crafting Custom GiST Classes ...
Sep 7, 2025 · We demonstrate the complete process from developing the necessary C functions to integrating them with PostgreSQL's indexing system, enabling efficient querying of custom …
PostgreSQL: Documentation: 9.1: Implementation
It's easy enough to support data types where this is not the case, by implementing the proper union algorithm in this GiST support method. The union implementation function should return …
PostgreSQL: The World's Most Advanced Open Source Relational ...
B-trees, R-trees and many other indexing schemes can be implemented in GiST . One advantage of GiST is that it allows the development of custom data types with the appropriate access …
gistunion - PostgreSQL Symbol Document
Detailed Description This is a high-level convenience function that combines the union creation and tuple formation processes. It takes a vector of IndexTuples, computes union datums for …
Mastering PostgreSQL Extension Development: A Comprehensive ...
Aug 28, 2023 · Working with Data Types PostgreSQL is all about data, let's explore how to create custom data types using the C API. Here, I will show you how to define input and output …
PostgreSQL Built-in Index Access Methods: GiST Explained
Sep 27, 2025 · The "implementation" of GiST indexes is a fascinating topic. Unlike B-tree indexes, where the logic is hard-coded, GiST is designed to be extensible. This means you can create …
PostgreSQL : Documentation: 16: 68.5. Examples : Postgres ...
btree_gist B-tree equivalent functionality for several data types cube Indexing for multidimensional cubes hstore Module for storing (key, value) pairs intarray RD-Tree for one-dimensional array …