# `Electric.Replication.Eval.KnownDefinition`
[🔗](https://github.com/electric-sql/electric/tree/%40core/sync-service%401.6.2/packages/sync-service/lib/electric/replication/eval/known_definition.ex#L1)

Special module to be `use`-d to define translation of PostgreSQL
operators and functions into Elixir calls.

# `before_compile`
*macro* 

# `defcompare`
*macro* 

# `defpostgres`
*macro* 

Define a postgres operator or function and it's implementation in Elixir.

# `expand_categories`

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