onaio/onadata

Investigate more performant query to get users that belong to a group

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#1,126 opened on Sep 12, 2017

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EnhancementHelp Wanted

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Description

Could we avoid using an sql join?

Contributor guide

Research direction
Examine the current SQL query that uses a join to get users belonging to a group. Consider alternatives such as subqueries, indexed columns, or denormalization to improve performance. Profile the query execution time and compare.
Tech stack
python
Domain
backenddatabase
Issue type
Research
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
SQLDatabase concepts
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65