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Support _id aggregation operators for $group stage #3096

Merged
merged 19 commits into from
Jul 26, 2023
Merged

Support _id aggregation operators for $group stage #3096

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Merge branch 'main' into aggregation-group-id-operators-2964
mergify[bot] Jul 26, 2023
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@noisersup
noisersup committed Jul 25, 2023
commit f9011b112ce073dd3ace8870c285d87828bcca27
16 changes: 13 additions & 3 deletions internal/handlers/common/aggregations/stages/group.go
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Original file line number Diff line number Diff line change
Expand Up @@ -84,15 +84,25 @@ func newGroup(stage *types.Document) (aggregations.Stage, error) {

if field == "_id" {
if doc, ok := v.(*types.Document); ok {
if operators.IsOperator(doc) {
if !operators.IsOperator(doc) {
if err = validateExpression("$group", doc); err != nil {
return nil, err
}

groupKey = v
continue
}

if err = validateExpression("$group", doc); err != nil {
return nil, err
op, err := operators.NewOperator(doc)
if err != nil {
return nil, processOperatorError(err)
}

if _, err := op.Process(nil); err != nil {
return nil, processOperatorError(err)
}
}

groupKey = v
continue
}
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