Examples
| PostgreSQL 9.3.25 Documentation | ||||
|---|---|---|---|---|
| Prev | Up | Chapter 57. GIN Indexes | Next | |
The PostgreSQL source distribution includes GIN operator classes for tsvector and for one-dimensional arrays of all internal types. Prefix searching in tsvector is implemented using the GIN partial match feature. 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