64.7. Examples

The core PostgreSQL distribution includes the GIN operator classes previously shown in Table 64.1. The following contrib modules also contain GIN operator classes:

  • btree_gin

    • B-tree equivalent functionality for several data types
  • hstore

    • Module for storing (key, value) pairs
  • intarray

    • Enhanced support for int[]
  • pg_trgm

    • Text similarity using trigram matching