61.7. Examples
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
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https://www.postgresql.org/docs/9.5/gin-examples.html