# `AshPostgres.Functions.TrigramSimilarity`
[🔗](https://github.com/ash-project/ash_postgres/blob/v2.9.0/lib/functions/trigram_similarity.ex#L5)

Maps to the builtin postgres trigram similarity function. Requires `pgtrgm` extension to be installed.

See the postgres docs on [trigram](https://www.postgresql.org/docs/9.6/pgtrgm.html) for more information.

Requires the pg_trgm extension. Configure which extensions you have installed in your `AshPostgres.Repo`

    # Example

    filter(query, trigram_similarity(name, "geoff") > 0.4)

# `args`

# `has_partial_evaluate?`

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*Consult [api-reference.md](api-reference.md) for complete listing*