Fix reading from field. #10721
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Fix reading from field. #10721
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KochetovNicolai
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pr-bugfix
alexey-milovidov
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May 7, 2020
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KochetovNicolai
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that referenced
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May 7, 2020
Fix reading from field. (cherry picked from commit 6edb0ea)
KochetovNicolai
pushed a commit
that referenced
this pull request
May 7, 2020
Fix reading from field. (cherry picked from commit 6edb0ea)
KochetovNicolai
pushed a commit
that referenced
this pull request
May 7, 2020
Fix reading from field. (cherry picked from commit 6edb0ea)
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Fix data corruption for
LowCardinality(FixedString)key column inSummingMergeTreewhich could have happened after merge. Fixes #10489.It happened because internal format ofBug happened when insertingFieldwas changed.FieldintoLowCardinality(FixedString)column, which, probably, is not common.