Update automatically the metrics_table_view and time_series_all_metrics_view views when a new Metric is created
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- Dominant language
- Java
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Description
Parent Issue
No response
Problem Statement
Currently, telemetry data is stored in a Metric table, with each Snapshot saved as a JSON object in a snapshot field. This JSON object contains an array of metrics, where each metric is an item within this array.
The views metricstableview and timeseriesallmetricsview generate a table with each metric represented as a column. To achieve this structure (where each metric is a column instead of an array item), we use a PostgreSQL custom type. In this type, each metric is defined as an attribute. Whenever a new metric is added, we need to update both the custom type and these views. Updating the type requires dropping and recreating the views, so we have created a procedure, dailytypeandviewupdate, that updates the type and views based on the data in the Metric table.
To keep everything up to date, we now need this procedure to run automatically each day, ensuring that the views reflect any new metrics that are added.
Steps to Reproduce
- Create any Test metric it can return a hard coding numeric value.
- Run the Telemetry Job.
- Check that the Snapshot isa saved in the metric table.
- Now run a 'SELECT *' Statement for each views and you are going to see that the new Metric is not there
Acceptance Criteria
The views must updated automatically when a new Metric is created
dotCMS Version
latest
Proposed Objective
Core Features
Proposed Priority
Priority 2 - Important
External Links... Slack Conversations, Support Tickets, Figma Designs, etc.
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Assumptions & Initiation Needs
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Quality Assurance Notes & Workarounds
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Sub-Tasks & Estimates
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Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by examining the daily_type_and_view_update procedure, the Metric table, and the metrics_table_view and time_series_all_metrics_view views. Trace how the Telemetry Job creates snapshots and determine where a daily execution can be scheduled. Done means newly created metrics appear in both views automatically, verified by creating a test metric and querying each view.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, postgresql
- Domain
- backend, databases
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100