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Fix ALTER UPDATE of empty Nested columns #46387

Merged
merged 1 commit into from
Feb 14, 2023
Merged

Fix ALTER UPDATE of empty Nested columns #46387

merged 1 commit into from
Feb 14, 2023
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CurtizJ
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@CurtizJ CurtizJ commented Feb 14, 2023 •
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Changelog category (leave one):

  • Bug Fix (user-visible misbehavior in official stable or prestable release)

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

Fix queries like ALTER TABLE ... UPDATE nested.arr1 = nested.arr2 ..., where arr1 and arr2 are fields of the same Nested column.

Fixes #46345.

@robot-ch-test-poll4 robot-ch-test-poll4 added the pr-bugfix Pull request with bugfix, not backported by default label Feb 14, 2023
@antonio2368 antonio2368 self-assigned this Feb 14, 2023
@CurtizJ CurtizJ merged commit ecc6ff7 into ClickHouse:master Feb 14, 2023
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@antonio2368 antonio2368 antonio2368 approved these changes

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Successfully merging this pull request may close these issues.

CORRUPTED_DATA after ALTER TABLE UPDATE on nested data structure.
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@CurtizJ @antonio2368 @robot-ch-test-poll4