Supported Versions: 16 / 15 / 14 / 13
Unsupported versions: 12 / 11 / 10 / 9.6 / 9.5 / 9.4 / 9.3 / 9.2 / 9.1 / 9.0 / 8.4 / 8.3 / 8.2
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the other supported versions listed above instead.

51.6. Examples

The PostgreSQL source distribution includes GIN classes for one-dimensional arrays of all internal types. The following contrib modules also contain GIN operator classes:

intarray

Enhanced support for int4[]

tsearch2

Support for inverted text indexing. This is much faster for very large, mostly-static sets of documents.