Warning:
Fauna is decommissioning FQL v4 on June 30, 2025.

This driver is not compatible with FQL v10, the latest version. Fauna accounts created after August 21, 2024 must use FQL v10.
Ensure you migrate existing projects to the official v10 driver by the v4 EOL date: https://github.com/fauna/fauna-jvm.

For more information, see the v4 end of life (EOL) announcement and related FAQ.

Packages

class FaunaClient extends AnyRef

The Scala native client for FaunaDB.

Create a new client using faunadb.FaunaClient.apply.

Query requests are made asynchronously: All methods will return a scala.concurrent.Future.

Example:

case class User(ref: RefV, name: String, age: Int)

val client = FaunaClient(secret = "myKeySecret")

val fut = client.query(Get(Ref(Class("users"), "123")))
val instance = Await.result(fut, 5.seconds)

val userCast =
  for {
    ref <- instance("ref").to[RefV]
    name <- instance("data", "name").to[String]
    age <- instance("data", "age").to[Int]
  } yield {
    User(ref, name, age)
  }

userCast.get
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  2. final def ##(): Int
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  3. final def ==(arg0: Any): Boolean
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  4. final def asInstanceOf[T0]: T0
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  5. def clone(): AnyRef
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  6. final def eq(arg0: AnyRef): Boolean
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  8. final def getClass(): Class[_]
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  9. def hashCode(): Int
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  10. final def isInstanceOf[T0]: Boolean
    Definition Classes
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  11. def lastTxnTime: Long

    Get the freshest timestamp reported to this client.

  12. final def ne(arg0: AnyRef): Boolean
    Definition Classes
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  13. final def notify(): Unit
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    @native() @HotSpotIntrinsicCandidate()
  14. final def notifyAll(): Unit
    Definition Classes
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    @native() @HotSpotIntrinsicCandidate()
  15. def query(exprs: Iterable[Expr], timeout: Option[FiniteDuration])(implicit ec: ExecutionContext): Future[IndexedSeq[Value]]

    Issues multiple queries as a single transaction.

    Issues multiple queries as a single transaction.

    exprs

    the queries to run.

    timeout

    the timeout for the current query. It replaces the timeout value set for this faunadb.FaunaClient if any, for the scope of this query. The timeout value has milliseconds precision.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing an IndexedSeq of the results of each query. Each result is an instance of faunadb.values.Value, which can be cast to a typed value using the faunadb.values.Field API. If *any* query fails, a failed future is returned.

  16. def query(exprs: Iterable[Expr], timeout: FiniteDuration)(implicit ec: ExecutionContext): Future[IndexedSeq[Value]]

    Issues multiple queries as a single transaction.

    Issues multiple queries as a single transaction.

    exprs

    the queries to run.

    timeout

    the timeout for the current query. It replaces the timeout value set for this faunadb.FaunaClient if any, for the scope of this query. The timeout value has milliseconds precision.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing an IndexedSeq of the results of each query. Each result is an instance of faunadb.values.Value, which can be cast to a typed value using the faunadb.values.Field API. If *any* query fails, a failed future is returned.

  17. def query(exprs: Iterable[Expr])(implicit ec: ExecutionContext): Future[IndexedSeq[Value]]

    Issues multiple queries as a single transaction.

    Issues multiple queries as a single transaction.

    exprs

    the queries to run.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing an IndexedSeq of the results of each query. Each result is an instance of faunadb.values.Value, which can be cast to a typed value using the faunadb.values.Field API. If *any* query fails, a failed future is returned.

  18. def query(expr: Expr, requestParameters: RequestParameters)(implicit ec: ExecutionContext): Future[Value]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    requestParameters

    Additional metadata to be passed along with the request.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  19. def query(expr: Expr, timeout: Option[FiniteDuration])(implicit ec: ExecutionContext): Future[Value]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    timeout

    the timeout for the current query. It replaces the timeout value set for this faunadb.FaunaClient if any for the scope of this query. The timeout value has milliseconds precision.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  20. def query(expr: Expr, timeout: FiniteDuration)(implicit ec: ExecutionContext): Future[Value]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    timeout

    the timeout for the current query. It replaces the timeout value set for this faunadb.FaunaClient if any for the scope of this query. The timeout value has milliseconds precision.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  21. def query(expr: Expr)(implicit ec: ExecutionContext): Future[Value]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  22. def queryWithMetrics(expr: Expr, requestParameters: RequestParameters)(implicit ec: ExecutionContext): Future[MetricsResponse]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  23. def queryWithMetrics(expr: Expr, timeout: Option[FiniteDuration])(implicit ec: ExecutionContext): Future[MetricsResponse]

    Issues a query.

    Issues a query.

    expr

    the query to run, created using the query dsl helpers in faunadb.query.

    timeout

    the timeout for the current query. It replaces the timeout value set for this faunadb.FaunaClient if any for the scope of this query. The timeout value has milliseconds precision.

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing the query result. The result is an instance of faunadb.values.Result, which can be cast to a typed value using the faunadb.values.Field API. If the query fails, failed future is returned.

  24. def sessionClient(secret: String): FaunaClient

    Create a new session client.

    Create a new session client. The returned session client shares its parent com.faunadb.common.Connection instance.

    secret

    user secret for the session client

    returns

    a new session client

  25. def sessionWith[A](secret: String)(session: (FaunaClient) ⇒ A): A

    Creates a new scope to execute session queries.

    Creates a new scope to execute session queries. Queries submitted within the session scope will be authenticated with the secret provided. A session client shares its parent's com.faunadb.common.Connection instance.

    secret

    user secret for the session scope

    session

    a function that receives a session client

    returns

    the value produced by the session function

  26. def stream(expr: Expr, fields: Seq[EventField] = Nil, snapshot: Boolean = false)(implicit ec: ExecutionContext): Future[Publisher[Value]]

    Creates a subscription to the result of the given read-only expression.

    Creates a subscription to the result of the given read-only expression. When executed, the expression must only perform reads and produce a single streamable type, such as a reference or a version. Expressions that attempt to perform writes or produce non-streamable types will result in an error. Otherwise, any expression can be used to initiate a stream, including user-defined function calls.

    expr

    the query to subscribe to.

    fields

    fields to opt-in on the events.

    snapshot

    if true the second event will be a snapshot event of the target

    ec

    the ExecutionContext used to run the query asynchronously.

    returns

    A scala.concurrent.Future containing a java.util.concurrent.Flow.Publisher which yields element of type faunadb.values.Value. The scala.concurrent.Future fails if the stream cannot be setup.

  27. def syncLastTxnTime(timestamp: Long): Unit

    Sync the freshest timestamp seen by this client.

    Sync the freshest timestamp seen by this client.

    This has no effect if staler than currently stored timestamp. WARNING: This should be used only when coordinating timestamps across multiple clients. Moving the timestamp arbitrarily forward into the future will cause transactions to stall.

  28. final def synchronized[T0](arg0: ⇒ T0): T0
    Definition Classes
    AnyRef
  29. def toString(): String
    Definition Classes
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  30. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
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    @throws( ... )
  31. final def wait(arg0: Long): Unit
    Definition Classes
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    @throws( ... ) @native()
  32. final def wait(): Unit
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    @throws( ... )

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  1. def finalize(): Unit
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