id stringlengths 36 36 | document stringlengths 3 3k | metadata stringlengths 23 69 | embeddings listlengths 384 384 |
|---|---|---|---|
050f2d4e-442a-43ef-b400-84ffa4ea6fe0 | Make pathStartsWith only match paths under the prefix.
#87181
(
Raúl Marín
).
Fixed logical errors in
_row_number
virtual column and iceberg positioned deletes.
#87220
(
Michael Kolupaev
).
Fix "Too large size passed to allocator"
LOGICAL_ERROR
in
JOIN
due to mixed const and non-const blocks.
#87231
(
A... | {"source_file": "index.md"} | [
0.011772883124649525,
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0.01409607008099556,
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0.03629479929804802,
-0.050143711268901825,
-0.05... |
73e854c9-775e-45b4-8f8d-caab9c68492e | Fixed two-level aggregation when using
Merge
over
Distributed
.
#87687
(
c-end
).
Fix the generation of the output block in the HashJoin algorithm when the right row list is not used. Fixes
#87401
.
#87699
(
Dmitry Novik
).
Parallel replicas read mode could be chosen incorrectly if there are no data to read... | {"source_file": "index.md"} | [
-0.03285079821944237,
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-0.09... |
bfb59110-1eaf-47e9-8821-ee7f8a62eec0 | Now
ON CLUSTER
queries will take less time in case of inactive replicas in cluster.
#88153
(
alesapin
).
Now DDL worker cleanup outdated hosts from replicas set. It will reduce amount of stored metadata in ZooKeeper.
#88154
(
alesapin
).
Fix running ClickHouse w/o cgroups (accidentally cgroups became a requir... | {"source_file": "index.md"} | [
-0.019190048798918724,
-0.037214137613773346,
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... |
c70971ce-ce97-43db-a477-a158e6bae803 | Fix "column not found" error when using
query_plan_use_logical_join_step=0
with multiple FULL JOIN USING clauses. Closes
#88103
.
#88473
(
Vladimir Cherkasov
).
Big clusters with node numbers > 10 have a high probability of failing the restore with error
[941] 67c45db4-4df4-4879-87c5-25b8d1e0d414 <Trace>: Resto... | {"source_file": "index.md"} | [
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306f5a4c-c945-40ed-b0ed-6a93086268b3 | Backported in
#89060
: Fix
top_k
to respect the threshold parameter when called with a single argument. Closes
#88757
.
#88867
(
Manuel
).
Backported in
#88944
: Fix bug in the function
reverseUTF8
. In previous versions, it mistakenly reversed the bytes of UTF-8 code points of length 4. This closes
#88913
.... | {"source_file": "index.md"} | [
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5cf67bcc-9394-4f65-a0fd-89e603ff018a | Increase replicated deduplication window up to 10000. This is fully compatible, but we can imagine scenarios when this change could lead to high resource consumption in the presence of a large number of tables.
#86820
(
Sema Checherinda
).
New Feature
Users can now use NATS JetStream to consume messages by sp... | {"source_file": "index.md"} | [
-0.07164610922336578,
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aec223cf-87ff-4b31-a5e3-ab6a5f195dff | Allows users to create temporary views with a similar syntax to temporary tables (
CREATE TEMPORARY VIEW
).
#86432
(
Aly Kafoury
).
Add warnings for CPU and memory usage to the
system.warnings
table.
#86838
(
Bharat Nallan
).
Support the
oneof
indicator in
Protobuf
inputs. A special column may be used to ... | {"source_file": "index.md"} | [
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451e999d-9178-4522-8c5f-602bf9849a94 | Added JOIN order optimization that can automatically reorder JOINs for better performance (controlled by
query_plan_optimize_join_order_limit
setting). Note that the join order optimization currently has limited statistics support and primarily relies on row count estimates from storage engines - more sophisticated s... | {"source_file": "index.md"} | [
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-0.0... |
81246981-6808-4991-b387-137220902a73 | Improved performance of applying patch parts in the join mode.
#87094
(
Anton Popov
).
Added setting
query_condition_cache_selectivity_threshold
(default value: 1.0) which excludes scan results of predicates with low selectivity from insertion into the query condition cache. This allows to reduce the memory consu... | {"source_file": "index.md"} | [
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-0.0... |
68dc5456-11c9-47ed-9448-6b530f17e3ba | Support filtering by complete URL string (
full_url
directive) in
http_handlers
(including schema and host:port).
#86155
(
Azat Khuzhin
).
Add a new setting,
allow_experimental_delta_lake_writes
.
#86180
(
Kseniia Sumarokova
).
Fix detection of systemd in init.d script (fixes "Install packages" check).
#86... | {"source_file": "index.md"} | [
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0.0363694... |
63c9059c-aabf-4c97-85f2-7126daba5db4 | Add ability to tune pending signals in attempt to overcome CANNOT_CREATE_TIMER (for query profilers,
query_profiler_real_time_period_ns
/
query_profiler_cpu_time_period_ns
). And also collect
SigQ
from the
/proc/self/status
for introspection (if
ProcessSignalQueueSize
is near to
ProcessSignalQueueLimit
, then y... | {"source_file": "index.md"} | [
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-... |
bfd37f88-779c-41a1-bbef-55946f44da7b | Check access rights during typo correction hints generation for the database name.
#85371
(
Dmitry Novik
).
LowCardinality for hive columns 2. Fill hive columns before virtual columns (required for https://github.com/ClickHouse/ClickHouse/pull/81040) 3. LOGICAL_ERROR on empty format for hive
#85528
4. Fix che... | {"source_file": "index.md"} | [
-0.020747924223542213,
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-0.00739549845457077,
-0.... |
133cc200-0a67-4a23-97ab-0204f805c88d | Use
NonZeroUInt64
for
logs_to_keep
in DatabaseReplicatedSettings.
#86142
(
Tuan Pham Anh
).
Exception was thrown by a
FINAL
query with skip index if the table (e.g
ReplacingMergeTree
) was created with setting
index_granularity_bytes = 0
. That exception has been fixed now.
#86147
(
Shankar Iyer
).
Remov... | {"source_file": "index.md"} | [
-0.04702269658446312,
-0.010674935765564442,
-0.02555861696600914,
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0.018664348870515823,
-0.0017248629592359066,
-... |
a5076867-a6af-434f-8b13-a8d3d8174ff7 | Functions
searchAny
and
searchAll
when called with empty needles now return
true
(aka. "matches everything"). Previously, they returned
false
. (issue
#86300
).
#86500
(
Elmi Ahmadov
).
Fix function
timeSeriesResampleToGridWithStaleness()
when the first bucket has no value.
#86507
(
Vitaly Baranov
).
... | {"source_file": "index.md"} | [
-0.023599941283464432,
0.029324326664209366,
-0.003753234399482608,
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-0... |
908901c0-63a2-4a63-908a-f888ba194a0f | Fix seeking at the end of the decompressed block.
#86906
(
Pavel Kruglov
).
Process exception which is thrown during asyncronous execution of Iceberg Iterator.
#86932
(
Daniil Ivanik
).
Fix saving of big preprocessed XML configs.
#86934
(
c-end
).
Fix date field populating in system.iceberg_metadata_log tab... | {"source_file": "index.md"} | [
-0.09441517293453217,
-0.00608872901648283,
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-0.... |
1f8d3316-9a86-490c-ac47-53fd7cdce74b | Fix unpacking Rust crate names in
list-licenses.sh
.
#87305
(
Konstantin Bogdanov
).
ClickHouse release 25.8 LTS, 2025-08-28 {#258}
Backward Incompatible Change
Infer
Array(Dynamic)
instead of unnamed
Tuple
for arrays of values with different types in JSON. To use the previous behaviour, disable settin... | {"source_file": "index.md"} | [
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0.046... |
d90857f2-b5e2-4cc8-bb59-af0c877cbb7b | Disable quoting 64 bit integers in JSON formats by default.
#74079
(
Pavel Kruglov
)
New Feature
Basic support for the PromQL dialect is added. To use it, set
dialect='promql'
in clickhouse-client, point it to the TimeSeries table using the setting
promql_table_name='X'
and execute queries like
rate(Clic... | {"source_file": "index.md"} | [
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0.... |
4be0eede-498a-48a7-a331-b62105e49ba6 | Iceberg: support writing version-hint file. This closes
#85097
.
#85130
(
Konstantin Vedernikov
).
Views, created by ephemeral users, will now store a copy of an actual user and will no longer be invalidated after the ephemeral user is deleted.
#84763
(
pufit
).
The vector similarity index now supports binary ... | {"source_file": "index.md"} | [
-0.06579608470201492,
-0.04304610565304756,
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-0.0... |
7bfc0dad-f5b9-4442-ba7c-25325c928ce7 | Add extra_credentials to AzureBlobStorage to authenticate with client_id and tenant_id.
#84235
(
Pablo Marcos
).
Added function
dateTimeToUUIDv7
to convert a DateTime value to a UUIDv7. Example usage:
SELECT dateTimeToUUIDv7(toDateTime('2025-08-15 18:57:56'))
returns
0198af18-8320-7a7d-abd3-358db23b9d5c
.
#84... | {"source_file": "index.md"} | [
-0.05334729328751564,
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0.10986065119504929,
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-0.11640899628400803,
0.015560192987322807,
0.05605... |
76df73f6-d57c-47e8-ad5f-8f6ccc118ec7 | Replaced the official HTTP transport in Azure library with our own HTTP client implementation for Azure Blob Storage. Introduced multiple settings for this clients which mirror settings from S3. Introduced aggressive connection timeouts for both Azure and S3. Improved introspection into Azure profile events and metrics... | {"source_file": "index.md"} | [
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0.028439031913876534,
0.0... |
f8c14d22-08f3-4d13-a134-ec97b8009038 | Process higher granularity min-max indexes first. Closes
#75381
.
#83798
(
Maruth Goyal
).
Make
DISTINCT
window aggregates run in linear time and fix a bug in
sumDistinct
. Closes
#79792
. Closes
#52253
.
#79859
(
Nihal Z. Miaji
).
Vector search queries using a vector similarity index complete with lower ... | {"source_file": "index.md"} | [
-0.02824597805738449,
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0.01610581763088703,
-0.... |
606b52ea-484d-47ed-989c-c8c9afc860b1 | Fixed the calculation of the minimal task size for parallel replicas.
#84752
(
Nikita Taranov
).
Improved performance of applying patch parts in
Join
mode.
#85040
(
Anton Popov
).
Remove zero byte. Closes
#85062
. A few minor bugs were fixed. Functions
structureToProtobufSchema
,
structureToCapnProtoSchema... | {"source_file": "index.md"} | [
-0.08966939896345139,
0.03305814042687416,
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0.0026984538417309523,
-... |
c508d084-d113-49ef-86af-1fe80b5498ee | Reduce query memory tracking overhead for executable user-defined functions.
#83929
(
Eduard Karacharov
).
Implement internal
delta-kernel-rs
filtering (statistics and partition pruning) in storage
DeltaLake
.
#84006
(
Kseniia Sumarokova
).
Disable skipping indexes that depend on columns updated on the fly o... | {"source_file": "index.md"} | [
-0.015341300517320633,
0.0673050731420517,
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0.008278234861791134,
0.030883682891726494,
0.001213962328620255,
-... |
185b51dd-cdbc-4379-9220-845ea9bf30e0 | Add a CLI flag --show_secrets to clickhouse format to hide sensitive data by default.
#81524
(
Nikolai Ryzhov
).
S3 read and write requests are throttled on the HTTP socket level (instead of whole S3 requests) to avoid issues with
max_remote_read_network_bandwidth_for_server
and
max_remote_write_network_bandwidt... | {"source_file": "index.md"} | [
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0.0028295896481722593,
0.04716092720627785,
-0.0... |
1543bfad-b09e-45ca-b76b-9c66860b33aa | Slightly better-looking dots on the dashboard.
#84074
(
Alexey Milovidov
).
Dashboard now has a slightly better favicon.
#84076
(
Alexey Milovidov
).
Web UI: Give browsers a chance to save the password. Also, it will remember the URL values.
#84087
(
Alexey Milovidov
).
Add support for applying extra ACL on... | {"source_file": "index.md"} | [
-0.08525702357292175,
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0.04911769554018974,
0.10259184241294861,
-0.02386... |
b95543ea-2cbe-4ba2-891f-4ac14c198c9e | S3Queue ordered mode fix: quit earlier if shutdown was called.
#84463
(
Kseniia Sumarokova
).
Support iceberg writes to read from pyiceberg.
#84466
(
Konstantin Vedernikov
).
Allow set values type casting when pushing down
IN
/
GLOBAL IN
filters over KeyValue storage primary keys (e.g., EmbeddedRocksDB, Kee... | {"source_file": "index.md"} | [
-0.010012311860918999,
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... |
611bb750-bf72-40c4-adf8-fc10923fb424 | Async logging: Make limits tuneable and add introspection.
#85105
(
Raúl Marín
).
Collect all removed objects to execute single object storage remove operation.
#85316
(
Mikhail Artemenko
).
Iceberg's current implementation of positional delete files keeps all data in RAM. This can be quite expensive if the pos... | {"source_file": "index.md"} | [
-0.020762214437127113,
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0.01164... |
5aab428b-57b9-4889-8603-6efef631efde | Fix markReplicasActive in DDLWorker and DatabaseReplicatedDDLWorker.
#81395
(
Tuan Pham Anh
).
Fix rollback of Dynamic column on parsing failure.
#82169
(
Pavel Kruglov
).
If function
trim
called with all-constant inputs now produces a constant output string. (Bug
#78796
).
#82900
(
Robert Schulze
).
Fix... | {"source_file": "index.md"} | [
-0.0713629424571991,
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6f01b939-4656-44df-b8f5-36b262c98145 | Always apply
filesystem_prefetches_limit
(not only from
MergeTreePrefetchedReadPool
).
#83999
(
Azat Khuzhin
).
Fix rare bug when
MATERIALIZE COLUMN
query could lead to unexpected files in
checksums.txt
and eventually detached data parts.
#84007
(
alesapin
).
Fix the logical error
Expected single dictio... | {"source_file": "index.md"} | [
-0.011668871156871319,
-0.006880220025777817,
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-... |
133b23a3-ebef-4584-a96b-5700e3b30002 | Fix reading Variant column with lazy materialization.
#84400
(
Pavel Kruglov
).
Make
zoutofmemory
hardware error, otherwise it will throw logical error. see https://github.com/clickhouse/clickhouse-core-incidents/issues/877.
#84420
(
Han Fei
).
Fixed server crash when a user created with
no_password
attempt... | {"source_file": "index.md"} | [
0.007335284259170294,
-0.00044852387509308755,
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-... |
a7abc04b-f59a-4812-ba0d-1228797b3ef8 | The
ngram
and
no_op
tokenizers no longer crash the (experimental) text index for empty input tokens.
#84849
(
Robert Schulze
).
Fixed lightweight updates for tables with
ReplacingMergeTree
and
CollapsingMergeTree
engines.
#84851
(
Anton Popov
).
Correctly store all settings in table metadata for tables ... | {"source_file": "index.md"} | [
-0.0007865088409744203,
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039d0dec-8bd0-43b0-9d62-b2985465ea67 | Fix race in
DeltaLake
engine delta-kernel implementation.
#85221
(
Kseniia Sumarokova
).
Fix reading partitioned data with disabled delta-kernel in
DeltaLake
engine. It was broken in 25.7 (https://github.com/ClickHouse/ClickHouse/pull/81136).
#85223
(
Kseniia Sumarokova
).
Added missing table name length ch... | {"source_file": "index.md"} | [
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37e5dbd1-1db6-464c-98a2-59f68f0448a4 | Fix reading count from cache for delta lake.
#85704
(
Kseniia Sumarokova
).
Fix coalescing merge tree segfault for large strings. This closes
#84582
.
#85709
(
Konstantin Vedernikov
).
Update metadata timestamp in iceberg writes.
#85711
(
Konstantin Vedernikov
).
Using
distributed_depth
as an indicator o... | {"source_file": "index.md"} | [
-0.03689456731081009,
-0.05051982030272484,
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bfcaf6fd-cdd4-4542-a9ca-33acf632c470 | Bumped the internal libxml2 from 2.14.4 to 2.14.5.
#84230
(
Robert Schulze
).
Bumped internal curl from 8.14.0 to 8.15.0.
#84231
(
Robert Schulze
).
Now we use less memory for caches in CI and have better tests for eviction.
#84676
(
alesapin
).
ClickHouse release 25.7, 2025-07-24 {#257}
Backward Incomp... | {"source_file": "index.md"} | [
-0.0865769237279892,
0.0224656630307436,
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-0.00042112686787731946,
0.06375447660684586,
-0.1... |
0b652eb9-4bf0-4dfe-9dc4-33ab1cd1a757 | Support complex types in Iceberg schema evolution.
#73714
(
Konstantin Vedernikov
).
Introduce support for INSERTs into Iceberg tables.
#82692
(
Konstantin Vedernikov
).
Read Iceberg data files by field ids. This improves compatibility with Iceberg: the fields can be renamed in the metadata while being mapped t... | {"source_file": "index.md"} | [
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0.01... |
8c47486a-44a1-4b26-90d0-1786ee41ef96 | Added SQL functions
colorSRGBToOkLCH
and
colorOkLCHToSRGB
for converting colours between the sRGB and OkLCH colour spaces.
#83679
(
Fgrtue
).
Allow parameters in
CREATE USER
queries for usernames.
#81387
(
Diskein
).
The
system.formats
table now contains extended information about formats, such as HTTP ... | {"source_file": "index.md"} | [
0.006869210395962,
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-0.03... |
04681b01-4608-4df5-bcb5-4d2d919f0209 | Trivial optimization for
-If
combinator.
#78454
(
李扬
).
Vector search queries using a vector similarity index complete with lower latency due to reduced storage reads and reduced CPU usage.
#79103
(
Shankar Iyer
).
Respect
merge_tree_min_{rows,bytes}_for_seek
in
filterPartsByQueryConditionCache
to align i... | {"source_file": "index.md"} | [
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-... |
a3d3c473-d5b7-4ad5-8a48-85c4966051e2 | Optimize
MergeTreeReadersChain::getSampleBlock
that speeds up short queries.
#83875
(
Raúl Marín
).
Speedup tables listing in data catalogs by asynchronous requests.
#81084
(
alesapin
).
Introduce jitter to the S3 retry mechanism when the
s3_slow_all_threads_after_network_error
configuration is enabled.
#8... | {"source_file": "index.md"} | [
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ac069a39-e431-4b14-9858-020695166ec7 | Count consumed messages manually to avoid depending on previous committed offset in StorageKafka2.
#81662
(
János Benjamin Antal
).
Added
clickhouse-keeper-utils
, a new command-line tool for managing and analyzing ClickHouse Keeper data. The tool supports dumping state from snapshots and changelogs, analyzing cha... | {"source_file": "index.md"} | [
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-0.1... |
2b0853e8-1c3c-4d1e-83e6-fcd8739790a7 | Keeper improvement: add new config
keeper_server.cleanup_old_and_ignore_new_acl
. If enabled, all nodes will have their ACLs cleared while ACL for new requests will be ignored. If the goal is to completely remove ACL from nodes, it's important to leave the config enabled until a new snapshot is created.
#82496
(
Ant... | {"source_file": "index.md"} | [
-0.04937972500920296,
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0.061118531972169876,
0.03214716538786888,
-0.08996... |
df14863b-b741-44b9-8edd-60f3943e4dbb | Add columns
commit_time
,
commit_id
to
system.s3queue_log
.
#83016
(
Kseniia Sumarokova
).
In some cases, we need to have multiple dimensions to our metrics. For example, counting failed merges or mutations by error codes rather than having a single counter. Introduce
system.dimensional_metrics
, which does p... | {"source_file": "index.md"} | [
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-0.... |
f7cea55a-7dbb-4ab6-95ff-ab0f16ab9a8f | Enable
Date
/
Date32
as integers in
JSON
input formats.
#83597
(
MikhailBurdukov
).
Made exception messages for certain situations for loading and adding projections easier to read.
#83728
(
Robert Schulze
).
Introduce a configuration option to skip binary checksum integrity checks for
clickhouse-server
. ... | {"source_file": "index.md"} | [
-0.02676939219236374,
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0.... |
268f4e99-30be-41ff-9fa3-14c3deb99b15 | For some queries executed with parallel replicas, reading in order optimization(s) could be applied on initiator while can't be applied on remote nodes. It leads to different reading modes used by parallel replicas coordinator (on initiator) and on remoted nodes, which is a logical error.
#80652
(
Igor Nikonov
).
F... | {"source_file": "index.md"} | [
-0.04408104345202446,
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0.019125279039144516,
0.05713870748877525,
-0.070... |
932cb1d5-ec0f-448b-b504-c122299f6a25 | Fix data races in Iceberg.
#82088
(
Azat Khuzhin
).
Fix
DatabaseReplicated::getClusterImpl
. If the first element (or elements) of
hosts
has
id == DROPPED_MARK
and there are no other elements for the same shard, the first element of
shards
will be an empty vector, leading to
std::out_of_range
.
#82093
(
M... | {"source_file": "index.md"} | [
-0.01125807873904705,
-0.006080644205212593,
0.020708031952381134,
0.04757554829120636,
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0.003926030360162258,
-0.05224961042404175,
0.007820013910531998,
-... |
fbff9a21-c429-443d-bc75-c96438b4ab2c | Fix disabling boundary alignment for cached buffer in external table engines. It was broken in https://github.com/ClickHouse/ClickHouse/pull/81868.
#82493
(
Kseniia Sumarokova
).
Fix the crash if key-value storage is joined with a type-casted key.
#82497
(
Pervakov Grigorii
).
Fix hiding named collection values... | {"source_file": "index.md"} | [
-0.018799392506480217,
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-0... |
13975e37-d843-4768-a537-8fa888d6bee6 | Fix filter modification for queries with a JOIN expression with a table with storage
Merge
. Fixes
#82092
.
#82950
(
Dmitry Novik
).
Fix LOGICAL_ERROR in QueryMetricLog: Mutex cannot be NULL.
#82979
(
Pablo Marcos
).
Fixed incorrect output of function
formatDateTime
when formatter
%f
is used together with... | {"source_file": "index.md"} | [
-0.04233619570732117,
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0.0030... |
c78a5fa3-f646-41c5-9521-56dc1ed70a46 | Disable bounds-based file pruning for iceberg array element and iceberg map values, including all their nested subfields.
#83520
(
Daniil Ivanik
).
Fix possible file cache not initialized errors when it's used as a temporary data storage.
#83539
(
Bharat Nallan
).
Keeper fix: update total watch count correctly ... | {"source_file": "index.md"} | [
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-... |
39132426-dbe0-42a3-b572-1d3cbff5900c | ClickHouse release 25.6, 2025-06-26 {#256}
Backward Incompatible Change
Previously, function
countMatches
would stop counting at the first empty match even if the pattern accepts it. To overcome this issue,
countMatches
now continues execution by advancing by a single character when an empty match occurs. Use... | {"source_file": "index.md"} | [
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0.0019009662792086601... |
8a2fa2ff-b27e-40a5-ad27-3d895d9a503f | Support writing
JSON
columns to
Parquet
and reading
JSON
columns from
Parquet
directly.
#79649
(
Nihal Z. Miaji
).
Add
MultiPolygon
support for
pointInPolygon
.
#79773
(
Nihal Z. Miaji
).
Add support for querying local filesystem-mounted Delta tables via
deltaLakeLocal
table function.
#79781
(
ro... | {"source_file": "index.md"} | [
-0.019933849573135376,
0.03678401932120323,
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-0.... |
e5bcb753-c741-46af-a82f-03c51fdbbac5 | An improvement for the experimental text index: explicit parameters are supported via key-value pairs. Currently, supported parameters are a mandatory
tokenizer
and two optional
max_rows_per_postings_list
and
ngram_size
.
#80262
(
Elmi Ahmadov
).
Previously,
packed
storage was not supported for the full-text... | {"source_file": "index.md"} | [
-0.0712582916021347,
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-0.00... |
8dd35f21-99de-45eb-98d5-003abb75ca17 | Improve shutdown speed of
Kafka
engine (remove extra 3 seconds delay in case of multiple
Kafka
tables).
#80796
(
Azat Khuzhin
).
Async inserts: reduce memory usage and improve performance of insert queries.
#80972
(
Raúl Marín
).
Don't profile processors if the log table is disabled.
#81256
(
Raúl Marín
)... | {"source_file": "index.md"} | [
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-0.004528255667537451,
-0.... |
59fe94c8-8990-4d8e-9532-85d10ea7c5b3 | Add
_time
virtual column in
S3Queue
,
AzureQueue
engine.
#78926
(
Anton Ivashkin
).
Make settings controlling connection drop on overloaded CPU hot-reloadable.
#79052
(
Alexey Katsman
).
Add container prefix to data paths reported in system.tables for plain disks in Azure blob storage, making reporting con... | {"source_file": "index.md"} | [
0.008202063851058483,
-0.04657939076423645,
-0.1262790411710739,
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0.0528470017015934,
-0.0278... |
8547751a-e360-4c2a-99ca-50bb4c724e1b | Lowered the log level of merged parts messages.
#80476
(
Hans Krutzer
).
Change the default behavior of partition pruning for Iceberg tables.
#80583
(
Melvyn Peignon
).
Add two new ProfileEvents for index search algorithm observability:
IndexBinarySearchAlgorithm
and
IndexGenericExclusionSearchAlgorithm
.
#... | {"source_file": "index.md"} | [
-0.059173934161663055,
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a721c229-6b85-49ae-adf8-165099668232 | Fix highlighting of
PARTITION BY
in
INSERT
queries. In previous versions,
PARTITION BY
was not highlighted as a keyword.
#81106
(
Alexey Milovidov
).
Two mini improvements in Web UI: - correctly handle queries without output, such as
CREATE
,
INSERT
(until recently, these queries resulted in an infinite sp... | {"source_file": "index.md"} | [
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533a0cda-8dfe-4267-908f-92c8b67897a4 | Bug Fix (user-visible misbehavior in an official stable release)
Fix parameterized view with SELECT EXCEPT query. Closes
#49447
.
#57380
(
Nikolay Degterinsky
).
Analyzer: Fix column projection name after column type promotion in join. Closes
#63345
.
#63519
(
Dmitry Novik
).
Fixed a logical error in case... | {"source_file": "index.md"} | [
-0.04383824020624161,
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84db0da1-8294-4efd-8bc7-92c818db7b5e | Skip indexes with lambda expressions could not be applied. Fix the case when high-level functions in the index definition exactly match the one in the query.
#80025
(
Nikolai Kochetov
).
Fix metadata version during attach part on the replica executing ATTACH_PART command from replication log.
#80038
(
Aleksei Fil... | {"source_file": "index.md"} | [
-0.02598959393799305,
-0.019966041669249535,
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-0.0... |
e5c4a9aa-cfe2-43f1-835e-112a0c4727da | Fix possible SSH protocol (due to hang in replxx).
#80688
(
Azat Khuzhin
).
The timestamp in the iceberg_history table should now be correct.
#80711
(
Melvyn Peignon
).
Fix possible crash in case of dictionary registration failed (when
CREATE DICTIONARY
failed with
CANNOT_SCHEDULE_TASK
it is possible to lea... | {"source_file": "index.md"} | [
-0.01918749138712883,
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0.016... |
8bf22d2f-227c-41e7-aa4b-454e8148b8af | Now ClickHouse will ignore errors and unexpected responses from data lake catalogs in
SHOW TABLES
query. Fixes
#79725
.
#81046
(
alesapin
).
Fix parsing of DateTime64 from integers in JSONExtract and JSON type parsing.
#81050
(
Pavel Kruglov
).
Reflect date_time_input_format setting in schema inference cache... | {"source_file": "index.md"} | [
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93098a02-c6ae-4259-ac5d-091e883aa213 | Backported in
#81957
: Fixed possible crash in
Aggregator
in case of exception during merge.
#81450
(
Nikita Taranov
).
Don't store content of several manifest files in memory.
#81470
(
Daniil Ivanik
).
Fix possible crash during shutting down background pools (
background_.*pool_size
).
#81473
(
Azat Khuzh... | {"source_file": "index.md"} | [
-0.00024138404114637524,
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-... |
95d6655f-89c8-4b98-935f-a56e8a681591 | In previous versions, the server returned excessive content for requests to
/js
. This closes
#61890
.
#81895
(
Alexey Milovidov
).
Previously,
MongoDB
table engine definitions could include a path component in the
host:port
argument which was silently ignored. The mongodb integration refuses to load such tab... | {"source_file": "index.md"} | [
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... |
aedc348b-00db-4474-a7cf-a1aed6db4e36 | ClickHouse release 25.5, 2025-05-22 {#255}
Backward Incompatible Change
Function
geoToH3
now accepts the input in the order (lat, lon, res) (which is common for other geometric functions). Users who wish to retain the previous result order (lon, lat, res) can set setting
geotoh3_argument_order = 'lon_lat'
.
#... | {"source_file": "index.md"} | [
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-0... |
72c1e176-de92-416a-8890-a9982e7cb756 | Add
stringBytesUniq
and
stringBytesEntropy
functions to search for possibly random or encrypted data.
#79350
(
Sachin Kumar Singh
).
Added functions for encoding and decoding base32.
#79809
(
Joanna Hulboj
).
Add
getServerSetting
and
getMergeTreeSetting
function. Closes #78318.
#78439
(
NamNguyenHoai
... | {"source_file": "index.md"} | [
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-0.... |
8d11dfe0-7cb8-41ad-bf87-4f209935e82e | Speed up secondary indices by evaluating their expressions on multiple granules at once.
#64109
(
Alexey Milovidov
).
Enable
compile_expressions
(JIT compiler for fragments of ordinary expressions) by default. This closes
#51264
and
#56386
and
#66486
.
#79907
(
Alexey Milovidov
).
New setting introduced:... | {"source_file": "index.md"} | [
-0.021797673776745796,
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0.03686312213540077,
-0.... |
a9d570f9-76b6-489f-a690-68f70d1f492d | Set
input_format_parquet_bloom_filter_push_down
to true by default. Also, fix a mistake in the settings changes history.
#80058
(
Alexey Milovidov
).
Optimized
ALTER ... DELETE
mutations for parts in which all rows should be deleted. Now, in such cases an empty part is created instead of original without execut... | {"source_file": "index.md"} | [
-0.05372345447540283,
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-0.0... |
dfd2572f-f377-4788-a42c-5a74327a1427 | The
tokens
function was extended to accept an additional "tokenizer" argument plus further tokenizer-specific arguments.
#79001
(
Elmi Ahmadov
).
The
SHOW CLUSTER
statement now expands macros (if any) in its argument.
#79006
(
arf42
).
Hash functions now support
NULL
s inside arrays, tuples, and maps. (iss... | {"source_file": "index.md"} | [
-0.02014491893351078,
-0.05199752748012543,
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0.00013441374176181853,
0.018057525157928467,
... |
967d82fa-f420-4f0f-88c7-c51ac7cd07e6 | Add filesystem cache setting
max_size_ratio_to_total_space
.
#79460
(
Kseniia Sumarokova
).
For
clickhouse-benchmark
reconfigure
reconnect
option to take 0, 1 or N as values for reconnecting accordingly.
#79465
(
Sachin Kumar Singh
).
Allow
ALTER TABLE ... MOVE|REPLACE PARTITION
for tables on different
... | {"source_file": "index.md"} | [
0.025703079998493195,
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0.042786575853824615,
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0.04288007691502571,
0.007711341138929129,
... |
d5408a97-6793-4be1-8787-83976db9bc34 | Fix renames of columns missing in part.
#76346
(
Anton Popov
).
A materialized view can start too late, e.g. after the Kafka table that streams to it.
#72123
(
Ilya Golshtein
).
Fix
SELECT
query rewriting during
VIEW
creation with enabled analyzer. closes
#75956
.
#76356
(
Dmitry Novik
).
Fix applying ... | {"source_file": "index.md"} | [
-0.07605727016925812,
-0.025788189843297005,
-0.03836344927549362,
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-0.... |
4f3ac6f2-29c1-4ad5-a826-043155f83cfa | Throw an exception when the parquet batch size is set to 0. Previously when output_format_parquet_batch_size = 0 ClickHouse would hang. Now this behavior is fixed.
#78991
(
daryawessely
).
Fix deserialization of variant discriminators with basic format in compact parts. It was introduced in https://github.com/Click... | {"source_file": "index.md"} | [
-0.03407454863190651,
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-0.01856067217886448... |
5bbb2655-ca1d-4737-b0be-7e4aedaed574 | Fix result duplication when reading from remote with both
use_hedged_requests
and
allow_experimental_parallel_reading_from_replicas
disabled.
#79599
(
Eduard Karacharov
).
Fix crash in delta-kernel implementation when using unity catalog.
#79677
(
Kseniia Sumarokova
).
Resolve macros for autodiscovery clust... | {"source_file": "index.md"} | [
-0.03003792278468609,
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-0.... |
22b4aa53-86ae-43de-9fd4-7cf9533ca27b | Query to system database can hang if system database metadata located in keeper.
#79304
(
Mikhail Artemenko
).
Build/Testing/Packaging Improvement
Make it possible to reuse the built
chcache
binary instead of always rebuilding it.
#78851
(
János Benjamin Antal
).
Add NATS pause waiting.
#78987
(
Dmitr... | {"source_file": "index.md"} | [
-0.021023444831371307,
0.04490254819393158,
-0.11056104302406311,
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-0.... |
0973216a-3e5c-4976-8140-07d17e69f7c5 | Support partition pruning in DeltaLake.
#78486
(
Kseniia Sumarokova
).
Support for a background refresh in readonly
MergeTree
tables which allows querying updateable tables with an infinite amount of distributed readers (ClickHouse-native data lake).
#76467
(
Alexey Milovidov
).
Support using custom disks to ... | {"source_file": "index.md"} | [
-0.07672838121652603,
-0.08495410531759262,
-0.08346420526504517,
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0.012171365320682526,
0.02654501609504223,
-0.051... |
67aad574-3056-4a87-b4ee-e25d34a228bb | Optimize performance with lazy columns, that read the data after ORDER BY and LIMIT.
#55518
(
Xiaozhe Yu
).
Enabled the query condition cache by default.
#79080
(
Alexey Milovidov
).
Speed-up building JOIN result by de-virtualizing calls to
col->insertFrom()
.
#77350
(
Alexander Gololobov
).
Merge equality... | {"source_file": "index.md"} | [
0.017708901315927505,
0.0412440225481987,
-0.04040052741765976,
0.03012654557824135,
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0.043758559972047806,
-0.0646... |
522529a7-8e80-4813-9211-f8c854c9e9c3 | The
hasAll
function can now take advantage of the
tokenbf_v1
,
ngrambf_v1
full-text skipping indices.
#77662
(
UnamedRus
).
Vector similarity index could over-allocate main memory by up to 2x. This fix reworks the memory allocation strategy, reducing the memory consumption and improving the effectiveness of th... | {"source_file": "index.md"} | [
0.009501360356807709,
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-0.022065533325076103,
-0.055837906897068024,
0.0... |
7ac972f0-2d39-41de-bc4f-5874a86eb374 | Don't parse special
Bool
values in text formats inside
Variant
type by default. It can be enabled using setting
allow_special_bool_values_inside_variant
.
#76974
(
Pavel Kruglov
).
Support configurable per task waiting time of low
priority
query in session level and in server level.
#77013
(
VicoWu
).
Im... | {"source_file": "index.md"} | [
0.07392588257789612,
0.0370626226067543,
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-0.04598528891801834,
0.040946... |
580d68c3-0423-44fe-95ed-99ca0d1069fb | Add a dynamic warning to the
system.warnings
table for long running mutations.
#78658
(
Bharat Nallan
).
Added field
condition
to system table
system.query_condition_cache
. It stores the plaintext condition whose hash is used as a key in the query condition cache.
#78671
(
Robert Schulze
).
Allow an empty... | {"source_file": "index.md"} | [
0.01999981515109539,
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0.015085138380527496,
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0.0025666430592536926,
0.0049943141639232635,
-0.0... |
eb84c257-f1ab-4ada-9a32-7d6faa9bcf29 | Fix possible crash when
NOT_FOUND_COLUMN_IN_BLOCK
error occurs.
#77854
(
Vladimir Cherkasov
).
Fix crash that happens in the S3/AzureQueue while filling data.
#77878
(
Bharat Nallan
).
Disable fuzzy search for history in SSH server (since it requires the skim library).
#78002
(
Azat Khuzhin
).
Fixes a bug... | {"source_file": "index.md"} | [
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0.06434986740350723,
-... |
6e024db5-1ca3-45ac-bc90-83344ab13d11 | Validate access to underlying tables for the
Merge
engine.
#78339
(
Pervakov Grigorii
).
FINAL
modifier can be ignored when querying a
Distributed
table.
#78428
(
Yakov Olkhovskiy
).
bitmapMin
returns the uint32_max when the bitmap is empty (and uint64_max when the input type is larger), which matches the... | {"source_file": "index.md"} | [
-0.006709027104079723,
-0.04668756201863289,
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-0.0014875505585223436,... |
25235170-19c0-4956-820b-f6b414704232 | Fix crash in Refreshable MATERIALIZED VIEW inthe case of ALTER after an incorrect shutdown.
#78858
(
Azat Khuzhin
).
Fix parsing of bad
DateTime
values in
CSV
format.
#78919
(
Pavel Kruglov
).
Keeper fix: Avoid triggering watches on failed multi requests.
#79247
(
Antonio Andelic
).
Fix reading Iceberg... | {"source_file": "index.md"} | [
-0.08134538680315018,
-0.03190204128623009,
-0.004761973861604929,
0.06193985790014267,
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-0.02902360074222088,
-0.07137877494096756,
0.07611984759569168,
-0.08008994907140732,
0.01843927428126335,
0.025257086381316185,
0.034308429807424545,
-0.04329024255275726,
0.0016... |
01f27e84-1c40-49f1-991e-79d7f3ef6f5b | Support
LowCardinality(Decimal)
data types
#72256
.
#72833
(
zhanglistar
).
FilterTransformPassedRows
and
FilterTransformPassedBytes
profile events will show the number of rows and number of bytes filtered during the query execution.
#76662
(
Onkar Deshpande
).
Support for the histogram metric type. The i... | {"source_file": "index.md"} | [
-0.022291216999292374,
-0.025094501674175262,
-0.0903053805232048,
0.008825384080410004,
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0.017191888764500618,
0.004515316337347031,
0.026501378044486046,
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0.010958351194858551,
-0.05308622494339943,
-0.08410901576280594,
0.04933958500623703,
-0.0... |
f52d736c-20b5-4d30-800e-3844879d491c | Faster ClickHouse servers shutdown (get rid of 2.5sec delay).
#76550
(
Azat Khuzhin
).
Avoid excess allocation in ReadBufferFromS3 and other remote reading buffers, reduce their memory consumption in half.
#76692
(
Sema Checherinda
).
Update zstd from 1.5.5 to 1.5.7 which could lead to some
performance improve... | {"source_file": "index.md"} | [
-0.0832260474562645,
0.035881783813238144,
-0.08432862907648087,
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0.002161756856366992,
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0.041442420333623886,
0.0174159687012434,
0.04237889125943184,
-0.02491569332778454,
0.004... |
f5988f0a-f7d4-4228-a6e7-383fd19f9f3b | Upgraded librdkafka (which is a pile of crap) to version 2.8.0 (the pile does not get any better) and improved the shutdown sequence for Kafka tables, reducing delays during table drops and server restarts. The
engine=Kafka
no longer explicitly leaves the consumer group when a table is dropped. Instead, the consumer ... | {"source_file": "index.md"} | [
-0.07526446878910065,
-0.060426730662584305,
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0.024390587583184242,
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0.03905552998185158,
0.06944029778242111,
0.03146405890583992,
-0.06180174648761749,
0.01255278941243887,
-0.... |
38b3204d-524e-4aa2-96e6-7e816690e192 | Fix data loss when enable async insert and insert into ... from file ... with unequal block size if the first block size < async_max_size but the second block > async_max_size, the second block will not be inserted. these data is left in
squashing
.
#76343
(
Han Fei
).
Renamed field 'marks' to 'marks_bytes' in
sy... | {"source_file": "index.md"} | [
-0.022644363343715668,
0.01043912023305893,
-0.08244271576404572,
0.07155665010213852,
0.0067104147747159,
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0.047856852412223816,
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0.04415644332766533,
0.04650584235787392,
0.03914163261651993,
0.025218214839696884,
-0.05501744... |
aa687dee-c152-4802-91bb-424dd9f2febd | Fix sorting of
BFloat16
values. This closes
#75487
. This closes
#75669
.
#77000
(
Alexey Milovidov
).
Bug fix JSON with Variant subcolumn by adding check to skip ephemeral subcolumns in part consistency check.
#72187
.
#77034
(
Smita Kulkarni
).
Fix crash in template parsing in Values format in case of ty... | {"source_file": "index.md"} | [
0.01357637532055378,
0.0025793469976633787,
-0.018299134448170662,
0.009035754017531872,
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-0.03314565494656563,
-0.0815611258149147,
0.06723479926586151,
-0.0761694386601448,
0.061122532933950424,
-0.013298633508384228,
-0.031419433653354645,
-0.028998365625739098,
0.0... |
3a98b5d7-16f8-4730-a0a4-d4a29760005a | In filesystem cache impementation fix error processing during file segment write.
#77471
(
Kseniia Sumarokova
).
Make DatabaseIceberg use correct metadata file provided by catalog. Closes
#75187
.
#77486
(
Kseniia Sumarokova
).
The query cache now assumes that UDFs are non-deterministic. Accordingly, results o... | {"source_file": "index.md"} | [
0.009351941756904125,
-0.05978817120194435,
-0.044659875333309174,
0.009592660702764988,
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-0.07796848565340042,
0.004035945050418377,
0.03773971647024155,
-0.03856012225151062,
0.04092029109597206,
0.02725842595100403,
0.04579528793692589,
-0.037999048829078674,
-0.00... |
e2ae0232-0458-40b2-9f91-ccbf39a48a01 | New Feature
Support type
Nullable(JSON)
.
#73556
(
Pavel Kruglov
).
Support subcolumns in the DEFAULT and MATERIALIZED expressions.
#74403
(
Pavel Kruglov
).
Support writing Parquet bloom filters using the
output_format_parquet_write_bloom_filter
setting (enabled by default).
#71681
(
Michael Kolupaev
... | {"source_file": "index.md"} | [
-0.03403738886117935,
-0.03452781215310097,
-0.12056992948055267,
0.021601999178528786,
-0.11118241399526596,
-0.00920106004923582,
-0.019453225657343864,
0.040703579783439636,
-0.06348971277475357,
0.05016560107469559,
0.003563631558790803,
0.04006188362836838,
0.07109810411930084,
-0.043... |
5cfe1757-a8aa-4528-be58-604b02f67a68 | Fixed unnecessary contention in
parallel_hash
when
max_rows_in_join = max_bytes_in_join = 0
.
#75155
(
Nikita Taranov
).
Fixed double preallocation in
ConcurrentHashJoin
in case join sides are swapped by the optimizer.
#75149
(
Nikita Taranov
).
Slight improvement in some join scenarios: precalculate the n... | {"source_file": "index.md"} | [
0.035139039158821106,
0.03366663679480553,
-0.056611090898513794,
-0.040360644459724426,
-0.025814499706029892,
-0.0374409481883049,
-0.03220916911959648,
0.004834162537008524,
0.0026845873799175024,
0.04308770224452019,
-0.020123498514294624,
0.007943183183670044,
0.024698657914996147,
-0... |
37a65e6a-9838-437d-9403-28538b22975b | Add support for
groupUniqArrayArrayMap
as
SimpleAggregateFunction
.
#75034
(
Miel Donkers
).
Hide catalog credential settings in database engine
Iceberg
. Closes
#74559
.
#75080
(
Kseniia Sumarokova
).
intExp2
/
intExp10
: Define undefined behaviour: return 0 for too small argument,
18446744073709551615... | {"source_file": "index.md"} | [
-0.041609812527894974,
-0.03876686841249466,
-0.05535757914185524,
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0.007170096505433321,
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0.011404941789805889,
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0.0073056514374911785,
0.00633812602609396,
-0.040379878133535385,
0.0021369648166000843,
... |
3fd676b6-7da4-499c-89d9-c8e41cce3096 | Querying
system.tables
will not throw even if there is a
Merge
table created over a database that no longer exists. Remove the
getTotalRows
method from
Hive
tables because we don't allow it to do complex work.
#75772
(
Alexey Milovidov
).
Store start_time/end_time for Backups with microseconds.
#75929
(
A... | {"source_file": "index.md"} | [
0.045913904905319214,
-0.06386212259531021,
0.00809706375002861,
0.05490764230489731,
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0.010171951726078987,
0.007626498583704233,
0.0807705745100975,
0.007148184347897768,
0.04615321382880211,
-0.011080394499003887,
-0.0011... |
912a2f7c-7779-4fe5-8315-17738705960a | Fix negate function monotonicity. In previous versions, the query
select * from a where -x = -42;
where
x
is the primary key, can return a wrong result.
#71440
(
Michael Kolupaev
).
Fix empty tuple handling in arrayIntersect. This fixes
#72578
.
#72581
(
Amos Bird
).
Fix reading JSON sub-object subcolumns ... | {"source_file": "index.md"} | [
-0.002353208139538765,
-0.02626269869506359,
0.03922509402036667,
-0.0037496057339012623,
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-0.04879029840230942,
0.045300666242837906,
0.01221286691725254,
0.06815491616725922,
0.00033556637936271727,
0.02850966900587082,
0.005078756250441074,
0.02... |
8fe38237-8164-492d-b602-c6b67c9f4f8f | Fix leaving connection in a bad state in client after INSERT exceptions.
#75030
(
Azat Khuzhin
).
Fix crash due to uncaught exception in PSQL replication.
#75062
(
Azat Khuzhin
).
Sasl can fail any rpc call, the fix helps to repeat the call in case if krb5 ticker is expired.
#75063
(
inv2004
).
Fixed usage ... | {"source_file": "index.md"} | [
-0.023777209222316742,
-0.021062638610601425,
-0.06927292048931122,
0.06688205152750015,
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0.06643131375312805,
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0.04441108554601669,
0.024813136085867882,
-... |
36be67f1-7a44-446d-ada2-ba8de82e4f09 | Fix data corruption with
CODEC(ZSTD, DoubleDelta)
. Closes
#70031
.
#75548
(
Konstantin Bogdanov
).
Fix interaction between allow_feature_tier and compatibility mergetree setting.
#75635
(
Raúl Marín
).
Fix incorrect processed_rows value in system.s3queue_log in case file was retried.
#75666
(
Kseniia Sumar... | {"source_file": "index.md"} | [
-0.04064582660794258,
-0.06085957586765289,
-0.00020931620383635163,
0.0030950396321713924,
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0.022005796432495117,
-0.022752942517399788,
0.032363440841436386,
0.004014733713120222,
-0.00850418396294117,
-0.008672630414366722,... |
ffe2e4d0-f39d-4aec-ba70-68adbfbd9d2e | We happened to use JSON serialization for some metadata, which was a mistake, because JSON does not support binary data inside string literals, including zero bytes. SQL queries can contain binary data and invalid UTF-8, so we have to support this in our metadata files as well. At the same time, ClickHouse's
JSONEachR... | {"source_file": "index.md"} | [
0.02027760073542595,
-0.06253980100154877,
-0.07263913750648499,
-0.034855909645557404,
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0.031720757484436035,
0.04346214607357979,
-0.025145094841718674,
0.01610403321683407,
... |
bee49e27-45a4-48b4-8997-c99fa07adfff | Remove about 20MB of dead code from the binary.
#76226
(
Alexey Milovidov
).
ClickHouse release 25.1, 2025-01-28 {#251}
Backward Incompatible Change
JSONEachRowWithProgress
will write the progress whenever the progress happens. In previous versions, the progress was shown only after each block of the resul... | {"source_file": "index.md"} | [
0.019243117421865463,
-0.07553136348724365,
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0.007341308984905481,
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0.02628135308623314,
0.050188399851322174,
0.03694756329059601,
-0.05843954533338547,
-0.0... |
887eb25e-3b32-47b6-9193-d9f23f8564f7 | New Feature
Added an ability to apply non-finished (not materialized by background process) mutations during the execution of
SELECT
queries immediately after submitting. It can be enabled by setting
apply_mutations_on_fly
.
#74877
(
Anton Popov
).
Implement
Iceberg
tables partition pruning for time-relate... | {"source_file": "index.md"} | [
-0.04396303743124008,
-0.0016639756504446268,
-0.06721208989620209,
0.023058686405420303,
0.01777700148522854,
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0.12554030120372772,
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0.036456383764743805,
-0.0008127882611006498,
-0.029038647189736366,
... |
14af4e2d-8b86-4e4f-a352-07498bdb9b66 | Now, the embedded Web UI has a progress bar during query runtime. It allows cancelling queries. It displays the total number of records and the extended information about the speed. The table can be rendered incrementally as soon as data arrives. Enable HTTP compression. Rendering of the table became faster. The table ... | {"source_file": "index.md"} | [
-0.013249239884316921,
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0.028189457952976227,
0.07879550009965897,
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0.024004708975553513,
0.022641941905021667,
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0.08726988732814789,
-0.03543120622634888,
-0... |
626b39d2-5404-4aab-a18b-0ca34bb00dda | Support predicate push down optimization on the query plan level for the
MergingAggregated
step. It improves performance for some queries with the analyzer.
#74073
(
Nikolai Kochetov
).
Splitting of left table blocks by hash was removed from the probe phase of the
parallel_hash
JOIN algorithm.
#73089
(
Nikita... | {"source_file": "index.md"} | [
-0.03349566087126732,
0.05676719918847084,
-0.024233397096395493,
-0.045741237699985504,
-0.06262993812561035,
-0.0953737124800682,
-0.04981471970677376,
0.04808097332715988,
-0.03322625532746315,
-0.002377851400524378,
-0.006488391663879156,
0.0371701754629612,
0.006595551036298275,
-0.07... |
ef18451f-f2d0-4520-83d8-73f02be62f7d | Added a merge tree setting
materialize_skip_indexes_on_merge
which suppresses the creation of skip indexes during merge. This allows users to control explicitly (via
ALTER TABLE [..] MATERIALIZE INDEX [...]
) when skip indexes are created. This can be useful if skip indexes are expensive to build (e.g. vector simila... | {"source_file": "index.md"} | [
-0.04540693014860153,
-0.03921126574277878,
-0.02154649794101715,
0.00607961043715477,
0.003778730519115925,
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0.00864116009324789,
0.08922257274389267,
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0.013186299242079258,
0.06901734322309494,
-0.0358... |
5ba8aa99-8a63-4630-a8c8-38caa2f1dfe1 | Make
Pretty
formats prettier: squash blocks if not much time passed since the output of the previous block. This is controlled by new settings
output_format_pretty_squash_consecutive_ms
(50 ms by default) and
output_format_pretty_squash_max_wait_ms
(1000 ms by default). Continuation of
#49537
. This closes
#491... | {"source_file": "index.md"} | [
0.04785102605819702,
0.002098961267620325,
-0.03447427228093147,
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0.01085511315613985,
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0.04001932591199875,
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0.006969136651605368,
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0.00786170456558466,
0.09653100371360779,
-0.042... |
d16784ef-6e68-4521-9ae9-d50a72054e09 | Support writing
orc
file by custom time zone, not always by the
GMT
time zone.
#70615
(
kevinyhzou
).
Respect IO scheduling settings when writing backups across clouds.
#71093
(
János Benjamin Antal
).
Add
metric
column alias
name
to
system.asynchronous_metrics
.
#71164
(
megao
).
Historically for ... | {"source_file": "index.md"} | [
-0.09443742036819458,
-0.06265615671873093,
-0.010776027105748653,
0.013158362358808517,
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0.039459988474845886,
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0.043858472257852554,
0.07081658393144608,
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0.03581244871020317,
-0.019924042746424675,
-0.... |
3e804642-01d4-4fac-b95d-f8be6b95d8bc | Reducing the log level for appearing replicated parts in the ReplicatedMergeTree engine to help minimize the volume of logs generated in a replicated cluster.
#72876
(
mor-akamai
).
Improve extraction of common expression in disjunctions. Allow simplifying the resulting filter expression even if there's no common s... | {"source_file": "index.md"} | [
-0.0449984148144722,
0.022974638268351555,
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0.03485895320773125,
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0.13587597012519836,
-0.0006385607412084937,
-0.1026577427983284,
0.10391505062580109,
-0.0301... |
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