fix(clickhouse sink): add support for default columns#24692
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benjamin-awd wants to merge 9 commits intovectordotdev:masterfrom
Open
fix(clickhouse sink): add support for default columns#24692benjamin-awd wants to merge 9 commits intovectordotdev:masterfrom
benjamin-awd wants to merge 9 commits intovectordotdev:masterfrom
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pront
approved these changes
Feb 20, 2026
…n test The Arrow serializer expects a typed Timestamp value, not a plain string, for DateTime columns. Using a string caused a chrono parse error that prevented the batch from being sent.
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February 25, 2026 07:12
Head branch was pushed to by a user without write access
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Summary
This PR adds support for handling default columns like MATERIALIZED, ALIAS, EPHEMERAL, DEFAULT for the Clickhouse ArrowStream format.
Currently, users must use
batch_encoding.allow_nullable_fields: truewhich is not desirable when strict schema enforcement is required.How did you test this PR?
Unit + integration tests
Change Type
Is this a breaking change?
Does this PR include user facing changes?
no-changeloglabel to this PR.References
Closes #24667
Notes
@vectordotdev/vectorto reach out to us regarding this PR.pre-pushhook, please see this template.make fmtmake check-clippy(if there are failures it's possible some of them can be fixed withmake clippy-fix)make testgit merge origin masterandgit push.Cargo.lock), pleaserun
make build-licensesto regenerate the license inventory and commit the changes (if any). More details here.