PostgreSQL 13 Documentation

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Historical version. PostgreSQL 13 reached end of support in November 2025. See the current manual for supported releases.

66.7. Examples
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66.7. Examples

The core PostgreSQL distribution includes the GIN operator classes previously shown in Table 66.1. 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

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