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…n between streams of one column
…5670 Backport ClickHouse#115670 to 26.8: Fix substreams cache key collision between streams of one column
…settings in `enableAllExperimentalSettings`
…TS table defined only by a named collection
…RL database engine
…9977 Backport ClickHouse#119977 to 26.8: Do not enable Iceberg compaction settings in `enableAllExperimentalSettings`
…rom left under join_use_nulls
…pes` to gate the `GROUP BY ALL` key type validation
…ow IPC record batch on output
…dex` stricter when a row policy applies
…9001 Backport ClickHouse#119001 to 26.8: Restore selected right join key from left under join_use_nulls
… block The 26.8 backport carries the entry in the 26.7 block, which is what `compatibility` needs: a version before 26.7 restores the earlier acceptance of a `Variant`/`Dynamic` key written as `GROUP BY ALL`. The `settings_changes_history` style check additionally requires every setting the change touches to be recorded under the current version block, so add the no-op record (previous value equal to the new one) under 26.8 as well, mirroring what master carries under 26.9.
…amespaces in catalogs
…9868 Backport ClickHouse#119868 to 26.8: Add `validate_group_by_all_key_types` to gate the `GROUP BY ALL` key type validation
…9873 Backport ClickHouse#119873 to 26.8: Combine small blocks into one Arrow IPC record batch on output
…9032 Backport ClickHouse#119032 to 26.8: Text index: make `mergeTreeTextIndex` stricter when a row policy applies
…0239 Backport ClickHouse#120239 to 26.8: Mask the base-url password of a URL database engine
…0025 Backport ClickHouse#120025 to 26.8: Fix unparseable metadata for a NATS table defined only by a named collection
… images into the clickhouse/ namespace
…on client refresh
…when resolving the structure of `mergeTreeCodecBlockCounts`
…es from part checksums
…9999 Backport ClickHouse#119999 to 26.8: Mirror the MinIO integration-test images into the clickhouse/ namespace
…ed compact `Variant` discriminators
…0844 Backport ClickHouse#120844 to 26.8: Use plain LRU for the query-local text index caches
…verting a table with ATTACH AS REPLICATED
…5991 Backport ClickHouse#115991 to 26.8: Validate the Keeper path when converting a table with ATTACH AS REPLICATED
…a-only MODIFY COLUMN to Nullable
…d `mongo-cxx-driver` to r4.6.0
…0245 Backport ClickHouse#120245 to 26.8: Fix wrong count() after a metadata-only MODIFY COLUMN to Nullable
…fVariance and lttb aggregate states
Release v26.8.10.6-lts
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… kind in data received from a client
…9346 Backport ClickHouse#119346 to 26.8: Bump `mongo-c-driver` to 2.5.4 and `mongo-cxx-driver` to r4.6.0
…7860 Backport ClickHouse#107860 to 26.8: validate array sizes in analysisOfVariance and lttb aggregate states
…7699 Backport ClickHouse#117699 to 26.8: Reject the Detached serialization kind in data received from a client
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Release v26.8.11.7-lts
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…26.8.7.19-lts Conflict resolutions: - DataLake catalogs: keep both upstream `flat_namespaces` and Antalya `namespaces` allowlist; constructors take `flat_namespaces_` then `namespaces_`. In `getNamespacesRecursive`, flat catalogs skip recursion before the allowlist check. - `PreparedSets`: take Antalya's class-wide `mutex`/`get_unsafe`, which subsumes upstream's `inplace_build_mutex`. - `filterPushDown`: honor the upstream revert of the `ANY INNER` guard (ClickHouse#120765), keep Antalya's `canPrefilterJoinSide` comment. - `IcebergIterator`: keep Antalya's `table_schema_id`, drop unused `exception` members, keep `data_files_stream` declared last. Related: #2405 Co-authored-by: Cursor <cursoragent@cursor.com>
…rgeTreeTextIndex` Antalya replaced `canBeUsedToCreateTable` with `validateUseToCreateTable`, but the upstream backports of ClickHouse#116647 and ClickHouse#119032 still override the removed virtual, which broke the build after merging `antalya-26.8`. https: //github.com/Altinity/ClickHouse/actions/runs/35951332096/job/107480854940 Related: #2405 Co-authored-by: Cursor <cursoragent@cursor.com>
Antalya's remote table-function initiator can label forwarded work as an initial query, so use the distributed depth to retain the shard identity check. CI: https://github.com/Altinity/ClickHouse/actions/runs/35995886691/job/107621503975?pr=2405 PR: #2405 Co-authored-by: Cursor <cursoragent@cursor.com>
Apply the forwarded-query access guard only to actual server-initiated remote hops, preserving valid local-replica execution. CI: https://github.com/Altinity/ClickHouse/actions/runs/36001396213/job/107639730532 PR: #2405 Co-authored-by: Cursor <cursoragent@cursor.com>
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