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Check for Unsupported Aggregation with Distinct when useApproxCountDistinct is enabled #16770

Merged
merged 9 commits into from
Jul 24, 2024
Merged

Check for Unsupported Aggregation with Distinct when useApproxCountDistinct is enabled #16770

merged 9 commits into from
Jul 24, 2024

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sreemanamala
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Description

Checks and throws an actionable error in case we encounter any aggregator using distinct which does not support it as mentioned in this issue

Key changed/added classes in this PR
  • NativelySupportsDistinct
  • DruidSqlValidator
  • GroupByRules

This PR has:

  • been self-reviewed.
  • added documentation for new or modified features or behaviors.
  • a release note entry in the PR description.
  • 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
  • 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 is met.
  • added integration tests.
  • been tested in a test Druid cluster.

@asdf2014 asdf2014 merged commit 3f4d66c into apache:master Jul 24, 2024
88 checks passed
@sreemanamala sreemanamala deleted the approx-count branch July 24, 2024 04:20
@gianm gianm mentioned this pull request Jul 24, 2024
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sreemanamala added a commit to sreemanamala/druid that referenced this pull request Aug 6, 2024
@sreemanamala @asdf2014
Check for Unsupported Aggregation with Distinct when useApproxCountDi…
13f249b 
…stinct is enabled (apache#16770)

* init

* add NativelySupportsDistinct

* refactor

* javadoc

* refactor

* fix tests

* fix drill tests

* comments

* Update sql/src/test/java/org/apache/druid/sql/calcite/DrillWindowQueryTest.java

---------

Co-authored-by: Benedict Jin <asdf2014@apache.org>
@kfaraz kfaraz added this to the 31.0.0 milestone Oct 4, 2024
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@kgyrtkirk kgyrtkirk kgyrtkirk approved these changes

@asdf2014 asdf2014 asdf2014 approved these changes

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@sreemanamala @kgyrtkirk @asdf2014 @kfaraz