Packages

object Lookup

Performs a left outer join to an unsharded collection in the same database to filter in documents from the "joined" collection for processing .

Since

MongoDB 3.2

See also

LookupPipeline

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  1. final def !=(arg0: Any): Boolean
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  2. final def ##: Int
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  3. final def ==(arg0: Any): Boolean
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  4. def apply(from: String, localField: String, foreignField: String, as: String): (AggregationFramework.this)#Lookup

    from

    the collection to perform the join with

    localField

    the field from the documents input

    foreignField

    the field from the documents in the from collection

    as

    the name of the new array field to add to the input documents

  5. final def asInstanceOf[T0]: T0
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  6. def clone(): AnyRef
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  7. final def eq(arg0: AnyRef): Boolean
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  8. def equals(arg0: AnyRef): Boolean
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  9. def finalize(): Unit
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  10. final def getClass(): Class[_ <: AnyRef]
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  11. def hashCode(): Int
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  12. final def isInstanceOf[T0]: Boolean
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  13. final def ne(arg0: AnyRef): Boolean
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  14. final def notify(): Unit
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  15. final def notifyAll(): Unit
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  16. final def synchronized[T0](arg0: => T0): T0
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  17. def toString(): String
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  18. final def wait(): Unit
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  19. final def wait(arg0: Long, arg1: Int): Unit
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  20. final def wait(arg0: Long): Unit
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