object FillOutputField
The core part of the $fill
pipeline stage of an aggregation pipeline.
A pair of an expression/method and a path to a field to be filled with evaluation results of the expression/method.
- Since
4.7
- Note
Requires MongoDB 5.3 or greater.
- See also
Aggregates.fill
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- FillOutputField
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-
def
linear(field: String): LinearFillOutputField
Returns a
FillOutputField
that uses the WindowOutputFields.linearFill method.Returns a
FillOutputField
that uses the WindowOutputFields.linearFill method.Sorting (
FillOptions.sortBy
) is required.- field
The field to fill.
- returns
The requested
FillOutputField
.
- See also
-
def
locf(field: String): LocfFillOutputField
Returns a
FillOutputField
that uses the WindowOutputFields.locf method.Returns a
FillOutputField
that uses the WindowOutputFields.locf method.- field
The field to fill.
- returns
The requested
FillOutputField
.
- See also
-
def
of(fill: Bson): FillOutputField
Creates a
FillOutputField
from aBson
in situations when there is no builder method that better satisfies your needs.Creates a
FillOutputField
from aBson
in situations when there is no builder method that better satisfies your needs. This method cannot be used to validate the syntax.Example
The following code creates two functionally equivalentFillOutputField
s, though they may not be equal.val field1 = FillOutputField.locf("fieldName") val field2 = FillOutputField.of(Document("fieldName" -> Document("method" -> "locf")))
- fill
A
Bson
representing the requiredFillOutputField
.- returns
The requested
FillOutputField
.
-
def
value[TExpression](field: String, expression: TExpression): ValueFillOutputField
Returns a
FillOutputField
that uses the specifiedexpression
.Returns a
FillOutputField
that uses the specifiedexpression
.- TExpression
The
expression
type.- field
The field to fill.
- expression
The expression.
- returns
The requested
FillOutputField
.
- See also