[SERVER-775] What if create something like CouchDB views with low cost of developing ? Created: 17/Mar/10  Updated: 06/Dec/22

Status: Open
Project: Core Server
Component/s: Querying
Affects Version/s: None
Fix Version/s: features we're not sure of

Type: New Feature Priority: Major - P3
Reporter: Kostyantin Voz Assignee: Backlog - Query Execution
Resolution: Unresolved Votes: 4
Labels: views
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified

Issue Links:
Related
related to SERVER-508 Update map reduce collections Closed
Assigned Teams:
Query Execution
Participants:

 Description   

I think that the only thing needed is ability to store query results to temp or existed collection, (or maybe only _id fields from matching docs, but better for flexibility we will need both first ) something like this http://jira.mongodb.org/browse/SERVER-610 . In CouchDB there are checking for changed documents already stored to view, this is not a good thing but I don't need that. I think that will be great to query already stored results from another query, that should be CPU efficient, but will take more disk space. And I think there are not so much work to do it.



 Comments   
Comment by T. Jameson Little [ 23/Feb/13 ]

Bump.

I like CouchDB's views, but I also like random queries in Mongo. Since Mongo already supports mapReduce, the results just need to be cached and inserts/updates need to trigger updates to the results.

I don't know Mongo that well, but a simple Google search didn't turn up anything like this.

Comment by karl seguin [ 24/Oct/11 ]

FWIW, I think just copying CouchDB's general take on views would be great. Additional control over when views are updated would be good (after every X new/updated document OR ever X seconds, in the background).

You'd have to be able to index them, of course. It seems like a decent solution to MapReduce performance limits.

Generated at Thu Feb 08 02:55:07 UTC 2024 using Jira 9.7.1#970001-sha1:2222b88b221c4928ef0de3161136cc90c8356a66.