Details
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Type:
Improvement
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Status: Closed
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Priority:
Trivial - P5
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Resolution: Duplicate
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Affects Version/s: 2.2.0
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Fix Version/s: None
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Component/s: Aggregation Framework
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Labels:None
Description
Pre requisites:
The regex returns a boolean
Should be trivial to make it work as the expression in a $cond while projecting
Example:
Schema:
{
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'_id': IDObject,
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'Path': string,
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'...': a bunch of other fields
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}
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Aggregation command:
{
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'$match': { ... }
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},
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{
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'$project': {
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'_id': '$_id',
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'EndsWithString': {
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'$cond': [
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{'$Path': {'$regex': 'String$'}}, # This is the same notation that for find or find_one. It should return true/false
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true,
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false
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]
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}
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}
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}
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PS: I very influenced by the pymongo driver so excuse me if I mix console and python notation. Trying to ilustrate the point
Attachments
Issue Links
- duplicates
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SERVER-11947 Add a regex expression to the aggregation language
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- Closed
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- related to
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- Closed
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