For this task we just want to translate tests of modes "insertDocuments" and "replaceDocuments". Don't worry about removing duplicate coverage, that will be done by SERVER-41197.
| Written as |
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Translates to |
{$out: {
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to: "x",
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uniqueKey: \{x_id: 1},
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mode: "insertDocuments"
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}}
|
|
⟶ |
{$merge: {
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into: "x",
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on: "x_id"
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whenMatched: "fail",
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whenNotMatched: "insert"
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}}
|
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{$out: {
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to: "x",
|
uniqueKey: \{x_id: 1},
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mode: "replaceDocuments"
|
}}
|
|
⟶ |
{$merge: {
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into: "x",
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on: "x_id",
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whenMatched: "replaceWithNew",
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whenNotMatched: "insert"
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}}
|
|
Task
Major - P3
SERVER-40432 Undo 4.2 changes to $out