static Accumulator |
Accumulator.accumulator(String operation,
Object field) |
Defines an accumulator for use in an aggregation pipeline.
|
static Accumulator |
Accumulator.accumulator(String operation,
String field) |
Defines an accumulator for use in an aggregation pipeline.
|
static Accumulator |
Group.addToSet(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns an array of all unique values that results from applying an expression to each document in a group of documents that share
the same group by key.
|
static Accumulator |
Group.average(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns the average value of the numeric values that result from applying a specified expression to each document in a group of
documents that share the same group by key.
|
static Accumulator |
Group.first(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns the value that results from applying an expression to the first document in a group of documents that share the same group
by
key.
|
Accumulator |
Group.getAccumulator() |
Deprecated, for removal: This API element is subject to removal in a future version.
|
static Accumulator |
Group.last(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns the value that results from applying an expression to the last document in a group of documents that share the same group by
a field.
|
static Accumulator |
Group.max(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns the highest value that results from applying an expression to each document in a group of documents that share the same
group
by key.
|
static Accumulator |
Group.min(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns the lowest value that results from applying an expression to each document in a group of documents that share the same group
by key.
|
static Accumulator |
Group.push(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Returns an array of all values that result from applying an expression to each document in a group of documents that share the same
group by key.
|
static Accumulator |
Group.sum(String field) |
Deprecated, for removal: This API element is subject to removal in a future version.
Calculates and returns the sum of all the numeric values that result from applying a specified expression to each document in a
group
of documents that share the same group by key.
|