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Test: add more aggregation focused dictionary sql logic test#23280

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Test: add more aggregation focused dictionary sql logic test#23280
Rich-T-kid wants to merge 1 commit into
apache:mainfrom
Rich-T-kid:rich-T-kid/Dictionary-datatype-test

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@Rich-T-kid

@Rich-T-kid Rich-T-kid commented Jul 1, 2026

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Which issue does this PR close?

works towards #22682.

Rationale for this change

There is a lack of testing for multi-dictionary group bys. It make sense to introduce these test before the implementation of Dict<K,V> in #23187

What changes are included in this PR?

introduces a couple test

  • grouping by Dict<_,largeutf8>
  • mixing grouping by dictionarys and non dictionary columns
  • a 3-way group by where each column is dict<_,_>
  • the test also have nulls sprinkled in to verify null handling

Are these changes tested?

the changes are test.

Are there any user-facing changes?

no

@github-actions github-actions Bot added the sqllogictest SQL Logic Tests (.slt) label Jul 1, 2026
@Rich-T-kid

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@Dandandan could you take look at this PR?

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