trait HeapBackend extends RelationalBackend with Logging
A simple database engine that stores data in heap data structures.
- Source
- HeapBackend.scala
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- HeapBackend
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- RelationalBackend
- BasicBackend
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Type Members
- trait BasicActionContext extends ActionContext
The context object passed to database actions by the execution engine.
The context object passed to database actions by the execution engine.
- Definition Classes
- BasicBackend
- trait BasicDatabaseDef extends Closeable
A database instance to which connections can be created.
A database instance to which connections can be created.
- Definition Classes
- BasicBackend
- trait BasicSessionDef extends Closeable
A logical session of a
Database.A logical session of a
Database. The underlying database connection is created lazily on demand.- Definition Classes
- BasicBackend
- class BasicStreamingActionContext extends BasicActionContext with StreamingActionContext with Subscription
A special DatabaseActionContext for streaming execution.
A special DatabaseActionContext for streaming execution.
- Attributes
- protected[this]
- Definition Classes
- BasicBackend
- type Context = BasicActionContext
The type of the context used for running SynchronousDatabaseActions
The type of the context used for running SynchronousDatabaseActions
- Definition Classes
- HeapBackend → BasicBackend
- type Database = HeapDatabaseDef
The database factory
The database factory
- Definition Classes
- HeapBackend → BasicBackend
- type DatabaseFactory = HeapDatabaseFactoryDef
The type of the database factory used by this backend.
The type of the database factory used by this backend.
- Definition Classes
- HeapBackend → BasicBackend
- class HeapDatabaseDef extends BasicDatabaseDef
- class HeapDatabaseFactoryDef extends AnyRef
- class HeapSessionDef extends BasicSessionDef
- class HeapTable extends AnyRef
- type Row = IndexedSeq[Any]
- type Session = HeapSessionDef
The type of session objects used by this backend.
The type of session objects used by this backend.
- Definition Classes
- HeapBackend → BasicBackend
- type StreamingContext = BasicStreamingActionContext
The type of the context used for streaming SynchronousDatabaseActions
The type of the context used for streaming SynchronousDatabaseActions
- Definition Classes
- HeapBackend → BasicBackend
- type This = HeapBackend
- Definition Classes
- HeapBackend → BasicBackend
- trait Verifier extends AnyRef
A Verifier is called before and after data is updated in a table.
A Verifier is called before and after data is updated in a table. It ensures that no constraints are violated before the update and updates the indices afterwards.
Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##: Int
- Definition Classes
- AnyRef → Any
- def ->[B](y: B): (HeapBackend, B)
- Implicit
- This member is added by an implicit conversion from HeapBackend toArrowAssoc[HeapBackend] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @inline()
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- val Database: DatabaseFactory
The database factory
The database factory
- Definition Classes
- HeapBackend → BasicBackend
- lazy val actionLogger: SlickLogger
- Attributes
- protected
- Definition Classes
- BasicBackend
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- val backend: HeapBackend
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- def createDatabase(config: Config, path: String): Database
Create a Database instance through Typesafe Config.
Create a Database instance through Typesafe Config. The supported config keys are backend-specific. This method is used by
DatabaseConfig.- config
The
Configobject to read from.- path
The path in the configuration file for the database configuration, or an empty string for the top level of the
Configobject.
- Definition Classes
- HeapBackend → BasicBackend
- def createEmptyDatabase: Database
- def ensuring(cond: (HeapBackend) => Boolean, msg: => Any): HeapBackend
- Implicit
- This member is added by an implicit conversion from HeapBackend toEnsuring[HeapBackend] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: (HeapBackend) => Boolean): HeapBackend
- Implicit
- This member is added by an implicit conversion from HeapBackend toEnsuring[HeapBackend] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean, msg: => Any): HeapBackend
- Implicit
- This member is added by an implicit conversion from HeapBackend toEnsuring[HeapBackend] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- def ensuring(cond: Boolean): HeapBackend
- Implicit
- This member is added by an implicit conversion from HeapBackend toEnsuring[HeapBackend] performed by method Ensuring in scala.Predef.
- Definition Classes
- Ensuring
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef → Any
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- def hashCode(): Int
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- lazy val logger: SlickLogger
- Attributes
- protected[this]
- Definition Classes
- Logging
- final def ne(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- final def notify(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- final def notifyAll(): Unit
- Definition Classes
- AnyRef
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- lazy val streamLogger: SlickLogger
- Attributes
- protected
- Definition Classes
- BasicBackend
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- AnyRef → Any
- final def wait(arg0: Long, arg1: Int): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- final def wait(arg0: Long): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException]) @native()
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- object Verifier
Deprecated Value Members
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable]) @Deprecated
- Deprecated
- def formatted(fmtstr: String): String
- Implicit
- This member is added by an implicit conversion from HeapBackend toStringFormat[HeapBackend] performed by method StringFormat in scala.Predef.
- Definition Classes
- StringFormat
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 2.12.16) Use
formatString.format(value)instead ofvalue.formatted(formatString), or use thef""string interpolator. In Java 15 and later,formattedresolves to the new method in String which has reversed parameters.
- def →[B](y: B): (HeapBackend, B)
- Implicit
- This member is added by an implicit conversion from HeapBackend toArrowAssoc[HeapBackend] performed by method ArrowAssoc in scala.Predef.
- Definition Classes
- ArrowAssoc
- Annotations
- @deprecated
- Deprecated
(Since version 2.13.0) Use
->instead. If you still wish to display it as one character, consider using a font with programming ligatures such as Fira Code.
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Scala Language-Integrated Connection Kit
This is the API documentation for the Slick database library. It should be used as an additional resource to the user manual.
Further documentation for Slick can be found on the documentation pages.
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