locationtech / locationtech/geomesa
Add query hint to flatten out json-type attributes
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Description
Add query hint to flatten out json-type attributes
When storing json in a json-type attribute, it may be useful to “flatten” out the json in the response, so that it can be treated like any other simple feature without having to parse the json.
e.g. {{props:
{"foo":"bar","baz":"blue"}
}} would be returned as props.foo: bar, props.baz: blue
Original JIRA Issue: https://geomesa.atlassian.net/browse/GEOMESA-3523
Key: GEOMESA-3523
Type: Story
Priority: Major
Status: To Do
Resolution: Unresolved
Reporter: Emilio Lahr-Vivaz
Created: Mon, 29 Sep 2025 12:12:44 -0400
Updated: Mon, 29 Sep 2025 12:12:45 -0400
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 locating the query-hint handling and the response path for JSON-type attributes. Confirm how the hint should expose nested values, using the provided props.foo and props.baz example as the expected result; done means JSON fields are returned as flattened attributes when the hint is enabled.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- scala
- Domain
- data
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 48/100