Simple.Data.Npgsql by Chris Hogan,Yaroslav Tatarenko

<PackageReference Include="Simple.Data.Npgsql" Version="0.19.0" />

 PgProcedureExecutor

public PgProcedureExecutor(AdoAdapter adapter, ObjectName procedureName)

public IEnumerable<IEnumerable<IDictionary<string, object>>> Execute(IDictionary<string, object> suppliedParameters, IDbTransaction transaction)

public IEnumerable<IEnumerable<IDictionary<string, object>>> Execute(IDictionary<string, object> suppliedParameters)