maytasm opened a new pull request #10208:
URL: https://github.com/apache/druid/pull/10208
Cluster wide default query context setting
### Description
Sometimes when external solutions such as Looker connect to Druid, users
cannot easily specify query context parameters.
This PR allows user to use runtime properties (druid.query.*) to override
any default value in QueryContext. The order of precedence is as follow:
hard_coded_default_value <- runtime_properties <- query_context_parameter
This PR has:
- [ ] been self-reviewed.
- [ ] using the [concurrency
checklist](https://github.com/apache/druid/blob/master/dev/code-review/concurrency.md)
(Remove this item if the PR doesn't have any relation to concurrency.)
- [ ] added documentation for new or modified features or behaviors.
- [ ] added Javadocs for most classes and all non-trivial methods. Linked
related entities via Javadoc links.
- [ ] added or updated version, license, or notice information in
[licenses.yaml](https://github.com/apache/druid/blob/master/licenses.yaml)
- [ ] added comments explaining the "why" and the intent of the code
wherever would not be obvious for an unfamiliar reader.
- [ ] added unit tests or modified existing tests to cover new code paths,
ensuring the threshold for [code
coverage](https://github.com/apache/druid/blob/master/dev/code-review/code-coverage.md)
is met.
- [ ] added integration tests.
- [ ] been tested in a test Druid cluster.
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