class Group extends PipelineOperator with Product2[P.Value, Seq[(String, GroupFunction)]] with Serializable
$groups documents together to calculate aggregates on document collections.
This command aggregates on arbitrary identifiers.
Document fields identifier must be prefixed with $.
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Inherited
- Group
- Serializable
- Product2
- Product
- Equals
- PipelineOperator
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- Any
Implicitly
- by any2stringadd
- by StringFormat
- by Ensuring
- by ArrowAssoc
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Visibility
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Value Members
- final def !=(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def ##(): Int
- Definition Classes
- AnyRef → Any
- def +(other: String): String
- def ->[B](y: B): (Group, B)
- final def ==(arg0: Any): Boolean
- Definition Classes
- AnyRef → Any
- final def asInstanceOf[T0]: T0
- Definition Classes
- Any
- def clone(): AnyRef
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.CloneNotSupportedException]) @native() @HotSpotIntrinsicCandidate()
- def ensuring(cond: (Group) => Boolean, msg: => Any): Group
- def ensuring(cond: (Group) => Boolean): Group
- def ensuring(cond: Boolean, msg: => Any): Group
- def ensuring(cond: Boolean): Group
- final def eq(arg0: AnyRef): Boolean
- Definition Classes
- AnyRef
- def equals(that: Any): Boolean
- Definition Classes
- Group → Equals → AnyRef → Any
- def formatted(fmtstr: String): String
- final def getClass(): Class[_ <: AnyRef]
- Definition Classes
- AnyRef → Any
- Annotations
- @native() @HotSpotIntrinsicCandidate()
- def hashCode(): Int
- Definition Classes
- Group → AnyRef → Any
- Annotations
- @inline()
- val identifiers: P.Value
- final def isInstanceOf[T0]: Boolean
- Definition Classes
- Any
- val makePipe: P.Document
- Definition Classes
- Group → PipelineOperator
- 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()
- val ops: (String, AggregationFramework.GroupFunction)*
- def productArity: Int
- Definition Classes
- Product2 → Product
- def productElement(n: Int): Any
- Definition Classes
- Product2 → Product
- Annotations
- @throws(classOf[java.lang.IndexOutOfBoundsException])
- def productElementName(n: Int): String
- Definition Classes
- Product
- def productElementNames: Iterator[String]
- Definition Classes
- Product
- def productIterator: Iterator[Any]
- Definition Classes
- Product
- def productPrefix: String
- Definition Classes
- Product
- final def synchronized[T0](arg0: => T0): T0
- Definition Classes
- AnyRef
- def toString(): String
- Definition Classes
- Group → AnyRef → Any
- final def wait(): Unit
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.InterruptedException])
- 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()
Deprecated Value Members
- def _1: P.Value
- Definition Classes
- Group → Product2
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 0.20.3) No longer a case class
- def _2: Seq[(String, AggregationFramework.GroupFunction)]
- Definition Classes
- Group → Product2
- Annotations
- @deprecated @inline()
- Deprecated
(Since version 0.20.3) No longer a case class
- def canEqual(that: Any): Boolean
- Definition Classes
- Group → Equals
- Annotations
- @deprecated
- Deprecated
(Since version 0.20.3) No longer a case class
- def finalize(): Unit
- Attributes
- protected[lang]
- Definition Classes
- AnyRef
- Annotations
- @throws(classOf[java.lang.Throwable]) @Deprecated @deprecated
- Deprecated
(Since version ) see corresponding Javadoc for more information.
- def →[B](y: B): (Group, B)
- Implicit
- This member is added by an implicit conversion from Group toArrowAssoc[Group] 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.