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Hierarchical dictinaries support nullable parent key #37805

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kitaisreal
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@kitaisreal kitaisreal commented Jun 2, 2022

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  • Improvement

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

Functions dictGetHierarchy, dictIsIn, dictGetChildren, dictGetDescendants added support nullable HIERARCHICAL attribute in dictionaries. Closes #35521.

@robot-ch-test-poll robot-ch-test-poll added the pr-improvement Pull request with some product improvements label Jun 2, 2022
@kitaisreal kitaisreal force-pushed the dictionaries-hierarchy-nullable-key-support branch from b73b445 to 20b55a4 Compare June 2, 2022 17:24
@kitaisreal kitaisreal added the can be tested Allows running workflows for external contributors label Jun 2, 2022
@nikitamikhaylov nikitamikhaylov self-assigned this Jun 3, 2022
@kitaisreal kitaisreal merged commit 4e16010 into ClickHouse:master Jun 8, 2022
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HIERARCHICAL dictionary not support nullable parent_id with function dictGetDescendants
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