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ci: test matrix +26.9, -26.6 (HTTP); TCP onto the policy + head - #629
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Bring the ClickHouse version coverage of both suites onto the support policy: the 3 latest series (26.9, 26.8, 26.7) plus the last 2 LTS series (26.8, 26.3), plus head and the floating `latest`. HTTP (tests.yml, regress-clickhouse): +26.9, -26.6. head stays covered by the nightly workflow. TCP (tests-tcp.yml, regress-clickhouse-tcp): +26.7 +26.8 +26.9, -25.8 -26.4 -26.5 -26.6. The suite had no head run at all, so nightly.yml now calls reusable-tcp.yml with `head`, next to the HTTP head run. The support floor stays 26.3, so AGENTS.md needs no change.
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September 28, 2026 05:21
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🟢 Approval recommended
No unresolved issues were identified.
Review effort: Lite
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What changed in this PR
Updates ClickHouse CI version coverage and adds nightly TCP testing against head.
Changes:
- Refreshes HTTP and TCP regression matrices.
- Adds nightly TCP
headcoverage.
| File | Description |
|---|---|
.github/workflows/tests.yml |
Updates the HTTP version matrix. |
.github/workflows/tests-tcp.yml |
Updates the TCP version matrix. |
.github/workflows/nightly.yml |
Adds nightly TCP head coverage. |
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zizmor/self-repository flags the reusable-workflow reference added by this PR. Use $/ (GitHub's self-repository shorthand), which the sibling benchmark-full job in this file already uses and which runs successfully in the scheduled nightly.
alex-clickhouse
approved these changes
Sep 28, 2026
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Description
CI/maintenance chore: bring the ClickHouse version coverage of both test suites onto the
support policy — the 3 latest series plus the last 2 LTS series, plus
headand thefloating
latest. No client behavior changes, so no CHANGELOG entry and no version bump.Target set derived from ClickHouse
utils/list-versions/version_date.tsv:Changes
.github/workflows/tests.yml(regress-clickhouse, HTTP driver): +26.9, -26.6.headstays covered bynightly.yml..github/workflows/tests-tcp.yml(regress-clickhouse-tcp, TCP driver):+26.7, +26.8, +26.9; -25.8, -26.4, -26.5, -26.6.
.github/workflows/nightly.yml: newtest-head-tcpjob callingreusable-tcp.ymlwithclickhouse-version: head. The TCP suite had no head runat all; this mirrors the existing HTTP head job instead of adding a
headmatrixentry that would run on every PR.
latestentries are kept on both suites (they float, so they satisfy no policy slot).Notes
AGENTS.mdneeds no edit.CLICKHOUSE_VERSIONdirectly as the server image tag, soheadworks for the TCP suite the same way it already does for HTTP.
TcpServerFeaturestreats a non-numeric tag as "moving tag" and gates nothing — the intended behavior for
a head run.
tests-integration.yml, which pinslatest) are untouched.Test
[latest, 26.9, 26.8, 26.7, 26.3].docker manifest inspect clickhouse/clickhouse-server:<tag>succeeds for 26.9, 26.8,26.7, 26.3 and
head..github/workflows/.