GiST

Discussion and docs about GiST based contrib modules for PostgreSQL. See GiST development page for main information. GiST programming tutorial is available in Russian.

• intarray - efficient way to work with sets of integers. Check, also, contributed intarray tutorial (by Achilleus Mantzios)
• pg sphere - ADT and AM for spherical data in PostgreSQL
• ReadmeTrgm - Readme for trigram matching module
• Hstore - storage for (key,value) pairs. See also, EAV, YAML, JSON.
• Gevel - show information about GiST indices.
  • Rtree Index - example how to visualize index
  • PosGIS and Grass - PostGIS and GRASS GIS example by Bernhard Hoefle
• GiST Concurrency Recovery - concurrency and recovery support in GiST
• GiST Algo - GiST README for PostgreSQL sources.
• GiST internals - internal GiST interface
• knngist - extension of GiST to provide effective knn (k nearest neighbourhood) search, see 2009-11-25 update