# `Ash.Query.Function.IsNotDistinctFrom`
[🔗](https://github.com/ash-project/ash/blob/v3.27.8/lib/ash/query/function/is_not_distinct_from.ex#L5)

is_not_distinct_from(left, right)

SQL's IS NOT DISTINCT FROM operator (NULL-safe equality).
Unlike `==`, this operator treats NULL as equal to NULL.

When both sides cannot return NULL, this simplifies to `==` for better performance.

# `args`

# `has_partial_evaluate?`

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