id
stringlengths
36
36
document
stringlengths
3
3k
metadata
stringlengths
23
69
embeddings
listlengths
384
384
ded1ea83-2fc1-496f-a31b-e2be05edfc09
Functions array and map were optimized to process certain common cases much faster. #67707 ( 李扬 ). Trivial optimize on ORC strings reading especially when a column contains no NULLs. #67794 ( 李扬 ). Improved overall performance of merges by reducing the overhead of scheduling steps of merges. #68016 ( Anto...
{"source_file": "2024.md"}
[ 0.002784130861982703, -0.001989833079278469, -0.07220467925071716, -0.06535159051418304, 0.0013123288517817855, -0.018663354218006134, -0.0013443899806588888, 0.01277734525501728, -0.020476963371038437, 0.015379557386040688, 0.046719226986169815, 0.008181305602192879, 0.048754945397377014, ...
0aa1f5a1-a50f-4f0e-9dbe-b4e4db204820
When lightweight delete happens on a table with projection(s), despite users have choices either throw an exception (by default) or drop the projection when the lightweight delete would happen, now there is the third option to still have lightweight delete and then rebuild projection(s). #66169 ( jsc0218 ). Two opt...
{"source_file": "2024.md"}
[ -0.09076488018035889, 0.02758064679801464, -0.04566267505288124, -0.038676489144563675, 0.0204573106020689, -0.09471853822469711, 0.016433944925665855, -0.1253756880760193, 0.06438666582107544, 0.008510779589414597, 0.02438100054860115, 0.04271203652024269, 0.043496839702129364, -0.0098234...
762c3d24-95ad-4e49-9e09-6a449dfa1890
Update Database Factory so it would be possible for user defined database engines to have arguments, settings and table overrides (similar to StorageFactory). #69201 ( NikBarykin ). Restore mode that replaces all external table engines and functions to the Null engine ( restore_replace_external_engines_to_null , ...
{"source_file": "2024.md"}
[ -0.0692368671298027, -0.00047954294132068753, -0.11179297417402267, 0.03567381203174591, -0.06388009339570999, -0.04115176200866699, 0.01554878894239664, -0.016768593341112137, -0.09735868126153946, -0.03616294264793396, 0.05618254095315933, 0.009549169801175594, 0.1331348717212677, -0.080...
75051063-f442-4fcf-824d-98b1eaf6610a
Fix window view missing blocks due to slow flush to view. #67983 ( Raúl Marín ). Fix MSan issue caused by incorrect date format. #68105 ( JackyWoo ). Fixed crash in Parquet filtering when data types in the file substantially differ from requested types (e.g. ... FROM file('a.parquet', Parquet, 'x String') , bu...
{"source_file": "2024.md"}
[ 0.022906064987182617, -0.03530263155698776, -0.03329198807477951, -0.04518282413482666, -0.026607051491737366, 0.014930742792785168, -0.0640086680650711, 0.006256542634218931, -0.03227822482585907, 0.02455603890120983, 0.01420873124152422, 0.020775023847818375, -0.09688083827495575, -0.042...
e2c7a1a4-9201-48d0-a333-8958b1795ee0
Fix invalid character '\t' and '\n' in replica_name when creating a Replicated table, which causes incorrect parsing of 'source replica' in LogEntry. Mentioned in issue #68640 . #68645 ( Zhigao Hong ). Added back virtual columns _table and _database to distributed tables. They were available until version 24.3...
{"source_file": "2024.md"}
[ -0.05236953869462013, -0.002181469928473234, -0.06671761721372604, -0.07330599427223206, -0.062488000839948654, -0.08794120699167252, -0.039883289486169815, 0.026058223098516464, 0.015280676074326038, 0.0809967964887619, 0.06440388411283493, -0.037317562848329544, 0.04141433909535408, -0.0...
8fd4ebbc-f267-422d-b345-fddcb8846251
Fix a bug that the vector similarity index (currently experimental) was not utilized when used with cosine distance as distance function. #69090 ( flynn ). This change addresses an issue where attempting to create a Replicated database again after a server failure during the initial creation process could result in...
{"source_file": "2024.md"}
[ -0.0825204998254776, -0.01816941797733307, -0.06629716604948044, 0.011275941506028175, -0.06571122258901596, -0.03163561597466469, -0.04678976163268089, -0.005159776192158461, 0.04221135005354881, -0.017643125727772713, 0.01999538764357567, -0.06670023500919342, 0.08733183890581131, -0.044...
aee38945-96b5-4f43-89d7-e8675173d85b
Quick fix for s3queue problem on 24.6 or create query with database replicated. #69454 ( Kseniia Sumarokova ). Fixed case when memory consumption was too high because of the squashing in INSERT INTO ... SELECT or CREATE TABLE AS SELECT queries. #69469 ( Yarik Briukhovetskyi ). Statements SHOW COLUMNS and ...
{"source_file": "2024.md"}
[ -0.007003954611718655, 0.0020417787600308657, -0.04590034857392311, 0.007280909456312656, -0.040402188897132874, -0.02130139246582985, 0.011567608453333378, -0.007393054664134979, 0.034872252494096756, 0.06419102102518082, 0.01822594180703163, -0.034589678049087524, 0.08614896237850189, -0...
00b37209-e522-45c3-a2f4-f825e956d4db
Fix logical errors with storage Buffer used with distributed destination table. It's a backward incompatible change: queries using Buffer with a distributed destination table may stop working if the table appears more than once in the query (e.g., in a self-join). #67015 ( vdimir ). In previous versions, callin...
{"source_file": "2024.md"}
[ 0.06944504380226135, -0.03068658709526062, -0.058775387704372406, 0.005748406518250704, -0.036151222884655, -0.10737591236829758, 0.07207222282886505, 0.04415082186460495, -0.005748228169977665, 0.06173647567629814, 0.07890878617763519, -0.007227190770208836, 0.02645421214401722, 0.0140342...
724d3d01-0af4-434c-b352-90e4c5390213
Interpret Hive-style partitioning for different engines ( File , URL , S3 , AzureBlobStorage , HDFS ). Hive-style partitioning organizes data into partitioned sub-directories, making it efficient to query and manage large datasets. Currently, it only creates virtual columns with the appropriate name and data. The f...
{"source_file": "2024.md"}
[ -0.04893280938267708, -0.03154965862631798, 0.0015988228842616081, -0.013909419067203999, -0.01755247265100479, -0.04757462069392204, -0.01104643288999796, 0.006631557364016771, -0.1080772653222084, 0.05233500525355339, -0.016147200018167496, -0.02392880991101265, -0.011791614815592766, -0...
44595cc5-bb08-4a67-b795-50b813150ef6
Performance Improvement {#performance-improvement-4} Setting optimize_functions_to_subcolumns is enabled by default. #68053 ( Anton Popov ). Store the plain_rewritable disk directory metadata in __meta layout, separately from the merge tree data in the object storage. Move the plain_rewritable disk to a...
{"source_file": "2024.md"}
[ 0.017300568521022797, 0.009164398536086082, -0.04656001552939415, -0.00011259455641265959, -0.023289131000638008, -0.10256322473287582, -0.0755959004163742, 0.06612212210893631, -0.02967149391770363, 0.028362799435853958, 0.036008164286613464, 0.0456266924738884, -0.03563956916332245, -0.0...
6f2bb942-05ab-4035-8c49-48e73d9cc1c7
Ignore async_load_databases for ATTACH query (previously it was possible for ATTACH to return before the tables had been attached). #66240 ( Azat Khuzhin ). Added logs and metrics for rejected connections (where there are not enough resources). #66410 ( Alexander Tokmakov ). Support proper UUID type for M...
{"source_file": "2024.md"}
[ 0.03394458815455437, -0.020003898069262505, -0.042582351714372635, 0.0815979391336441, -0.06356505304574966, -0.039535827934741974, 0.004823451861739159, -0.05936017632484436, -0.007334614638239145, 0.04818793386220932, 0.007002652622759342, -0.060646455734968185, 0.02144109271466732, -0.0...
4e8ec1d8-adf9-424d-80a4-342fa2f10591
Add -no-pie to Aarch64 Linux builds to allow proper introspection and symbolizing of stacktraces after a ClickHouse restart. #67916 ( filimonov ). Added profile events for merges and mutations for better introspection. #68015 ( Anton Popov ). Remove unnecessary logs for non-replicated MergeTree . #68238 ( ...
{"source_file": "2024.md"}
[ 0.007219698745757341, -0.04391363635659218, 0.012362873181700706, -0.050740551203489304, -0.015674589201807976, -0.10549619793891907, -0.028211481869220734, 0.04599512740969658, 0.0049305749125778675, -0.0071075777523219585, 0.058443766087293625, 0.0021121909376233816, -0.01616314798593521, ...
ec8aeced-e6c9-4309-8c7c-bd7611040684
Fix cluster() for inter-server secret (preserve initial user as before). #66364 ( Azat Khuzhin ). Fix possible runtime error while converting Array field with nulls to Array(Variant). #66727 ( Kruglov Pavel ). Fix for occasional deadlock in Context::getDDLWorker. #66843 ( Alexander Gololobov ). Fix creating...
{"source_file": "2024.md"}
[ -0.058632247149944305, -0.03764389455318451, -0.009033617563545704, -0.0017373603768646717, 0.04145008325576782, -0.04082441329956055, -0.015564466826617718, -0.04767794534564018, -0.024361353367567062, 0.06584680825471878, 0.06598860770463943, -0.011965177021920681, 0.052343811839818954, ...
ea525160-7a34-4f12-8299-f42c0e176e0d
It was possible to create a very deep nested JSON data that triggered stack overflow while skipping unknown fields. This closes #67292 . #67324 ( Alexey Milovidov ). Fix attaching ReplicatedMergeTree table after exception during startup. #67360 ( Antonio Andelic ). Fix segfault caused by incorrectly detaching ...
{"source_file": "2024.md"}
[ -0.11136613041162491, 0.06662160158157349, 0.04169128090143204, 0.002553379163146019, 0.014255184680223465, -0.11086694896221161, -0.05693423002958298, -0.04649180546402931, 0.009304244071245193, 0.014119505882263184, 0.018129970878362656, 0.018232719972729683, 0.01019533071666956, -0.0854...
662dc761-d6f5-4191-832d-0dacc04eb75e
Due to a bug in Linux Kernel, a query can hung in TimerDescriptor::drain . This closes #37686 . #67702 ( Alexey Milovidov ). Fix completion of RESTORE ON CLUSTER command. #67720 ( Vitaly Baranov ). Fix dictionary hang in case of CANNOT_SCHEDULE_TASK while loading. #67751 ( Azat Khuzhin ). Queries like ...
{"source_file": "2024.md"}
[ -0.002605883404612541, -0.01944173499941826, 0.006657968740910292, 0.09012584388256073, 0.019275302067399025, -0.0032345738727599382, -0.046711958944797516, 0.00943151768296957, 0.032123785465955734, 0.015917791053652763, 0.006467380560934544, -0.04441393166780472, -0.028591781854629517, -...
112ae9e3-c105-40f6-8e8e-5ec3025c5a87
Change how deduplication for Materialized Views works. Fixed a lot of cases like: - on destination table: data is split for 2 or more blocks and that blocks is considered as duplicate when that block is inserted in parallel. - on MV destination table: the equal blocks are deduplicated, that happens when MV often produc...
{"source_file": "2024.md"}
[ -0.06468566507101059, -0.07148176431655884, 0.04986640438437462, -0.02013337053358555, -0.05980398505926132, -0.04407805576920509, -0.031060034409165382, -0.054098132997751236, -0.01628468558192253, 0.011253484524786472, 0.02616286836564541, -0.03425527736544609, 0.057500358670949936, -0.0...
d1b7706b-b271-463a-a023-ba0a49398e82
Add system tables with main information about all detached tables. #65400 ( Konstantin Morozov ). Experimental Feature {#experimental-feature-4} Change binary serialization of the Variant data type: add compact mode to avoid writing the same discriminator multiple times for granules with single variant or...
{"source_file": "2024.md"}
[ 0.030570905655622482, -0.04272328317165375, -0.026969309896230698, 0.028585724532604218, -0.053460314869880676, -0.0296955406665802, -0.03482121601700783, 0.10796608775854111, -0.0808291807770729, 0.010895837098360062, 0.031097274273633957, 0.00410869438201189, 0.009436698630452156, 0.0131...
3804520d-e258-4937-b129-110ba2036cb1
Support query plan LIMIT optimization. Support LIMIT pushdown for PostgreSQL storage and table function. #65454 ( Maksim Kita ). Improved ZooKeeper load balancing. The current session doesn't expire until the optimal nodes become available despite fallback_session_lifetime . Added support for AZ-aware balancing. ...
{"source_file": "2024.md"}
[ -0.03963668644428253, -0.003993043676018715, -0.03558771312236786, 0.0795331597328186, -0.02649415098130703, -0.05299117788672447, -0.010248089209198952, 0.034512802958488464, -0.02886972203850746, 0.10250207781791687, -0.0465318039059639, 0.0443590022623539, 0.00023476211936213076, -0.026...
3a6dd236-14ce-4e7c-8a58-de0f455816d2
Added profile event SelectQueriesWithPrimaryKeyUsage which indicates how many SELECT queries use the primary key to evaluate the WHERE clause. #64492 ( 0x01f ). StorageS3Queue related fixes and improvements. Deduce a default value of s3queue_processing_threads_num according to the number of physical cpu cores ...
{"source_file": "2024.md"}
[ 0.009736508131027222, -0.07630389928817749, -0.09573499113321304, 0.04436635226011276, 0.004715174902230501, -0.004198314156383276, 0.01758493296802044, 0.04438575729727745, 0.0068391114473342896, 0.06156887114048004, 0.02301248162984848, -0.024308932945132256, 0.08804009109735489, -0.0964...
56aa2431-3ce0-4043-982f-8eb40258fdb5
Server settings compiled_expression_cache_size and compiled_expression_cache_elements_size are now shown in system.server_settings . #65584 ( Robert Schulze ). Add support for user identification based on x509 SubjectAltName extension. #65626 ( Anton Kozlov ). clickhouse-local will respect the max_server...
{"source_file": "2024.md"}
[ 0.05273030325770378, 0.032125942409038544, -0.09779039770364761, 0.04374051094055176, -0.057111866772174835, -0.0900619626045227, 0.0060091083869338036, -0.00834073219448328, -0.06545398384332657, 0.014664608985185623, -0.02640591375529766, 0.06193649023771286, -0.013169493526220322, -0.11...
e7bf2920-e862-431e-aef4-8221e73a0257
Bug Fix (user-visible misbehavior in an official stable release) {#bug-fix-user-visible-misbehavior-in-an-official-stable-release-4} Check cyclic dependencies on CREATE/REPLACE/RENAME/EXCHANGE queries and throw an exception if there is a cyclic dependency. Previously such cyclic dependencies could lead to a deadloc...
{"source_file": "2024.md"}
[ -0.012417927384376526, -0.03419802337884903, 0.03283337503671646, 0.003928248304873705, -0.03961590677499771, -0.058422621339559555, -0.00513280788436532, -0.004649550188332796, -0.017636781558394432, 0.04153873398900032, 0.08052290230989456, 0.03614411503076553, 0.0355895459651947, -0.030...
1b96ff95-04a4-4466-a21d-163a5062560b
Fixed bug in MergeJoin. Column in sparse serialisation might be treated as a column of its nested type though the required conversion wasn't performed. #65632 ( Nikita Taranov ). Fixed a bug that compatibility level '23.4' was not properly applied. #65737 ( cw5121 ). Fix odbc table with nullable fields. #65738...
{"source_file": "2024.md"}
[ -0.029583634808659554, -0.007458270061761141, 0.0011280039325356483, 0.02994292974472046, -0.07310999929904938, -0.04172658175230026, -0.018851155415177345, 0.03864073380827904, -0.048273924738168716, 0.0010583894327282906, 0.03312091529369354, 0.004097748082131147, -0.03963600471615791, -...
c75a91a2-b54c-4e83-96b5-10b450cea4d1
Fix a possible hanging in GRPCServer during shutdown. #66061 ( Vitaly Baranov ). Fixed several cases in function has with non-constant LowCardinality arguments. #66088 ( Anton Popov ). Fix for groupArrayIntersect . It had incorrect behavior in the merge() function. Also, fixed behavior in deserialise(...
{"source_file": "2024.md"}
[ -0.011443540453910828, 0.005488070659339428, -0.038452792912721634, -0.012707032263278961, -0.0058194356970489025, -0.06729467213153839, 0.003568364307284355, -0.006440490018576384, -0.02011876367032528, 0.00799831934273243, -0.015350197441875935, 0.023641856387257576, -0.10041016340255737, ...
25fdca50-dfa4-4a1e-aafa-4d6350804537
Added missing column materialization for cross join. #66413 ( lgbo ). Fix Cannot find column error for queries with constant expression in GROUP BY key and new analyzer enabled. #66433 ( Nikolai Kochetov ). Avoid possible logical error during import from Npy format in case of bad array nesting level, fix te...
{"source_file": "2024.md"}
[ -0.0011055631330236793, -0.013356953859329224, -0.08996925503015518, 0.04959903657436371, 0.048814110457897186, -0.03932545706629753, -0.03652394935488701, 0.014967788942158222, -0.06428006291389465, 0.0356166809797287, 0.05346056818962097, -0.023207195103168488, -0.006478793453425169, -0....
4ce208b1-a076-4a0d-b9e9-b527af5e60d3
ClickHouse release 24.6, 2024-07-01 {#a-id246a-clickhouse-release-246-2024-07-01} Backward Incompatible Change {#backward-incompatible-change-6} Enable asynchronous load of databases and tables by default. See the async_load_databases in config.xml. While this change is fully compatible, it can introduce a diff...
{"source_file": "2024.md"}
[ -0.03842926025390625, -0.0822780504822731, -0.06808756291866302, 0.09744451195001602, -0.0621805377304554, -0.07861971855163574, -0.023679321631789207, -0.08923710137605667, 0.000855427875649184, -0.013851769268512726, 0.03784149885177612, 0.09997548907995224, 0.0168448556214571, -0.073042...
3e4138ad-779d-4fac-b44f-89394eafcd82
New functions snowflakeIDToDateTime , snowflakeIDToDateTime64 , dateTimeToSnowflakeID , and dateTime64ToSnowflakeID were added. Unlike the existing functions snowflakeToDateTime , snowflakeToDateTime64 , dateTimeToSnowflake , and dateTime64ToSnowflake , the new functions are compatible with function generateS...
{"source_file": "2024.md"}
[ -0.022183425724506378, 0.03136472404003143, -0.024817489087581635, 0.005321180913597345, 0.052270904183387756, 0.006810357328504324, -0.07424896955490112, 0.049615293741226196, 0.01525026187300682, -0.05007597431540489, -0.029368961229920387, -0.034666337072849274, -0.0008324029622599483, ...
3f5c5fa5-b8ac-4b8d-84ab-0a728f34b920
Added a new table function loop to support returning query results in an infinite loop. #63452 ( Sariel ). This is useful for testing. Introduced two additional columns in the system.query_log : used_privileges and missing_privileges . used_privileges is populated with the privileges that were checked durin...
{"source_file": "2024.md"}
[ 0.011227011680603027, -0.014565462246537209, -0.0629272386431694, 0.04601488634943962, -0.009462108835577965, -0.056789908558130264, -0.04438073933124542, 0.02969745360314846, -0.05860377475619316, 0.02436983585357666, 0.048719216138124466, -0.035076215863227844, 0.08900997042655945, -0.06...
70a44af1-d6f8-4f1c-a9b2-b9c31351dfdb
Use a thread pool to initialize and destroy hash tables inside ConcurrentHashJoin . #64241 ( Nikita Taranov ). Optimized vertical merges in tables with sparse columns. #64311 ( Anton Popov ). Enabled prefetches of data from remote filesystem during vertical merges. It improves latency of vertical merges in tab...
{"source_file": "2024.md"}
[ -0.02964821457862854, 0.05073568969964981, -0.05751122906804085, -0.04350826516747475, -0.016465090215206146, -0.08639325201511383, -0.08175121992826462, 0.028411203995347023, -0.01799199916422367, 0.0752943754196167, 0.032556600868701935, 0.057818636298179626, 0.02045036293566227, -0.0835...
d63e144c-461d-4266-aa7d-e32479cbca98
Improve io_uring resubmit visibility. Rename profile event IOUringSQEsResubmits -> IOUringSQEsResubmitsAsync and add a new one IOUringSQEsResubmitsSync . #63699 ( Tomer Shafir ). Added a new setting, metadata_keep_free_space_bytes to keep free space on the metadata storage disk. #64128 ( MikhailBurdukov )....
{"source_file": "2024.md"}
[ -0.014817140065133572, -0.008178253658115864, 0.005575395189225674, 0.06821200996637344, -0.009534239768981934, -0.030556146055459976, -0.008139348588883877, 0.03754892572760582, 0.033152997493743896, 0.07806126773357391, -0.0044152941554784775, -0.05729972571134567, 0.07735957950353622, 0...
f01b08bb-969f-43e0-8327-473e4093eaf6
Initialize global trace collector for Poco::ThreadPool (needed for Keeper, etc). #65239 ( Kseniia Sumarokova ). Add a validation when creating a user with bcrypt_hash . #65242 ( Raúl Marín ). Add profile events for number of rows read during/after PREWHERE . #64198 ( Nikita Taranov ). Print query in EX...
{"source_file": "2024.md"}
[ -0.05644144490361214, -0.0044907936826348305, -0.07717463374137878, -0.004794708918780088, -0.023236777633428574, -0.11970175057649612, 0.0008593342499807477, 0.022191204130649567, 0.01335989497601986, 0.02284654602408409, 0.027301544323563576, 0.020908383652567863, -0.017150701954960823, ...
3e1de10d-b406-4e9b-89b9-0324b0600c90
This fix will use a proper redefined context with the correct definer for each individual view in the query pipeline. #64079 ( pufit ). Fix analyzer: "Not found column" error is fixed when using INTERPOLATE. #64096 ( Yakov Olkhovskiy ). Fix creating backups to S3 buckets with different credentials from the disk...
{"source_file": "2024.md"}
[ -0.0388849601149559, -0.062009047716856, -0.0542658269405365, -0.010133746080100536, -0.06803935766220093, -0.044774457812309265, 0.0023176087997853756, -0.014443181455135345, -0.010980607010424137, 0.015728650614619255, -0.0034536048769950867, -0.06310271471738815, 0.09591998904943466, -0...
536f1ace-4ed4-4c95-b6fc-257bc410e5f8
Fixes incorrect behaviour of ANSI CSI escaping in the UTF8::computeWidth function. #64756 ( Shaun Struwig ). Fix a case of incorrect removal of ORDER BY / LIMIT BY across subqueries. #64766 ( Raúl Marín ). Fix (experimental) unequal join with subqueries for sets which are in the mixed join conditions. #6...
{"source_file": "2024.md"}
[ -0.02416650578379631, 0.04284846410155296, -0.04279637336730957, 0.028676889836788177, -0.019410081207752228, -0.049077052623033524, -0.03415786847472191, 0.013540693558752537, -0.01357231941074133, 0.005240903701633215, 0.050331272184848785, -0.009703227318823338, 0.06863892078399658, -0....
41ad2f2a-6782-413c-8cd0-89df07b6b97d
Respond with 5xx instead of 200 OK in case of receive timeout while reading (parts of) the request body from the client socket. #65118 ( Julian Maicher ). Fix possible crash for hedged requests. #65206 ( Azat Khuzhin ). Fix the bug in Hashed and Hashed_Array dictionary short circuit evaluation, which may read u...
{"source_file": "2024.md"}
[ -0.007240409962832928, 0.04461031034588814, -0.0302922111004591, 0.022927163168787956, -0.028658540919423103, -0.04532280191779137, -0.030758211389183998, -0.037240710109472275, -0.009900418110191822, 0.08088605105876923, -0.026700573042035103, 0.03595711663365364, 0.05964108929038048, 0.0...
9d4a3030-f88c-4880-aae3-40d4b8fa23a6
Queries from system.columns will work faster if there is a large number of columns, but many databases or tables are not granted for SHOW TABLES . Note that in previous versions, if you grant SHOW COLUMNS to individual columns without granting SHOW TABLES to the corresponding tables, the system.columns table w...
{"source_file": "2024.md"}
[ -0.0033118941355496645, -0.00272733042947948, -0.0796167254447937, 0.041142869740724564, 0.02418062649667263, -0.040015336126089096, -0.08521102368831635, 0.021707115694880486, -0.10110881924629211, 0.02628200873732567, 0.014907414093613625, 0.025769226253032684, 0.0775403082370758, -0.044...
30830a9c-e7e6-4c15-99bc-43e827ed3d60
Change warning on high number of attached tables to differentiate tables, views and dictionaries. #64180 ( Francisco J. Jurado Moreno ). Provide support for azureBlobStorage function in ClickHouse server to use Azure Workload identity to authenticate against Azure blob storage. If use_workload_identity paramete...
{"source_file": "2024.md"}
[ 0.04513325169682503, -0.02939019352197647, -0.05738842859864235, 0.07054651528596878, -0.056730229407548904, -0.03337754309177399, 0.06999104470014572, -0.015578260645270348, 0.008940628729760647, 0.10018543154001236, -0.002671946305781603, -0.03741041570901871, 0.16234180331230164, 0.0314...
a9fce296-4439-432f-a667-11006d64e3cb
Add a new configuration prefer_merge_sort_block_bytes to control the memory usage and speed up sorting 2 times when merging when there are many columns. #62904 ( LiuNeng ). clickhouse-local will start faster. In previous versions, it was not deleting temporary directories by mistake. Now it will. This closes #62...
{"source_file": "2024.md"}
[ 0.029077719897031784, 0.008726418949663639, -0.065970778465271, 0.02315821871161461, 0.0295419879257679, -0.03157476335763931, -0.01433649007230997, -0.0669284462928772, 0.045446544885635376, 0.10716389119625092, 0.024105943739414215, 0.023014899343252182, 0.033140577375888824, 0.051448523...
2a31284c-6817-402f-ad66-9d0ed072f483
Support for "Merge Key" in YAML configurations (this is a weird feature of YAML, please never mind). #62685 ( Azat Khuzhin ). Enhance error message when non-deterministic function is used with Replicated source. #62896 ( Grégoire Pineau ). Fix interserver secret for Distributed over Distributed from remote . ...
{"source_file": "2024.md"}
[ -0.04825996235013008, 0.0028253113850951195, -0.01365789957344532, -0.0261598639190197, -0.011112711392343044, -0.060293737798929214, 0.0017064271960407495, 0.005722553003579378, 0.0003882123564835638, 0.01823541335761547, 0.053188782185316086, 0.00010167513391934335, 0.025726022198796272, ...
baa29b51-f1a3-432c-ab79-d161c93a3dbe
The Dockerfile is reviewed by the docker official library in https://github.com/docker-library/official-images/pull/15846. #63400 ( Mikhail f. Shiryaev ). Information about every symbol in every translation unit will be collected in the CI database for every build in the CI. This closes #63494 . #63495 ( Alexey ...
{"source_file": "2024.md"}
[ -0.04903166741132736, 0.06247130408883095, -0.02594381384551525, -0.09131315350532532, -0.030916837975382805, -0.06102147698402405, -0.07844804227352142, 0.0005378759815357625, 0.06278455257415771, 0.024248415604233742, -0.02690553106367588, -0.08608632534742355, -0.008083608001470566, -0....
87d81933-0462-4403-9197-1d04fbc2eed4
Make MergeTreePrefetchedReadPool safer #63513 ( Antonio Andelic ). Fix crash on exit with sentry enabled (due to openssl destroyed before sentry) #63548 ( Azat Khuzhin ). Fix Array and Map support with Keyed hashing #63628 ( Salvatore Mesoraca ). Fix filter pushdown for Parquet and maybe StorageMerge #63...
{"source_file": "2024.md"}
[ -0.017350919544696808, 0.003806841094046831, -0.00146171310916543, -0.023599598556756973, -0.02642177604138851, -0.07174702733755112, -0.04273555800318718, 0.01801246404647827, -0.04149215668439865, 0.01993703655898571, -0.0031283751595765352, -0.008862379007041454, 0.0009261555387638509, ...
1c73af30-5de1-4d65-8678-0d5a5490679b
Fix azure backup writing multipart blocks by 1 MiB (read buffer size) instead of max_upload_part_size (in non-native copy case) #64117 ( Kseniia Sumarokova ). Correctly fallback during backup copy #64153 ( Antonio Andelic ). Prevent LOGICAL_ERROR on CREATE TABLE as materialized view #64174 ( Raúl Marín ). ...
{"source_file": "2024.md"}
[ 0.00606150645762682, -0.05562325194478035, -0.00672708498314023, -0.05364367365837097, -0.04623066633939743, -0.044201649725437164, -0.018439479172229767, -0.03853252902626991, -0.005258186254650354, 0.1034582182765007, -0.0239261444658041, -0.003151112934574485, 0.06688665598630905, -0.02...
8286a5ed-8f79-40f9-901b-8cb2c2ac6999
Add SYSTEM UNLOAD PRIMARY KEY to free up memory usage for a table's primary key. #62738 ( Pablo Marcos ). Added value1 , value2 , ..., value10 columns to system.text_log . These columns contain values that were used to format the message. #59619 ( Alexey Katsman ). Added persistent virtual column _block...
{"source_file": "2024.md"}
[ 0.0147032355889678, 0.07932668179273605, -0.11713970452547073, 0.007211720570921898, -0.022221343591809273, -0.009519873186945915, -0.06198686733841896, 0.0661553218960762, -0.0029296341817826033, 0.022993825376033783, 0.03347913920879364, 0.02942628227174282, 0.030589813366532326, -0.0618...
f3a91318-d701-419b-8371-e98af7814621
Speed up dynamic resize of filesystem cache. #61723 ( Kseniia Sumarokova ). Dictionary source with INVALIDATE_QUERY is not reloaded twice on startup. #62050 ( vdimir ). Fix an issue where when a redundant = 1 or = 0 is added after a boolean expression involving the primary key, the primary index is not us...
{"source_file": "2024.md"}
[ 0.02511517144739628, 0.0504780039191246, -0.03951200470328331, 0.07753903418779373, -0.014603007584810257, -0.05886571854352951, 0.034433118999004364, -0.041111670434474945, 0.05849383398890495, 0.14605554938316345, -0.010229108855128288, 0.03113947995007038, 0.06208263710141182, -0.024799...
c6b357ad-cc05-4bca-b43b-8999647d0f01
Implement support for input for clickhouse-local . #61923 ( Azat Khuzhin ). Join table engine with strictness ANY is consistent after reload. When several rows with the same key are inserted, the first one will have higher priority (before, it was chosen randomly upon table loading). close #51027 . #61972 ...
{"source_file": "2024.md"}
[ -0.03158199414610863, -0.07555338740348816, -0.007728035561740398, -0.018649879842996597, -0.044262003153562546, -0.0012239516945555806, 0.02955798991024494, -0.009707112796604633, -0.0851086750626564, 0.030432136729359627, 0.05671253055334091, -0.014733278192579746, 0.053129397332668304, ...
e18de195-2156-43ae-805e-d882bf02d9fc
The query cache now no longer caches results of queries against system tables ( system.* , information_schema.* , INFORMATION_SCHEMA.* ). #62376 ( Robert Schulze ). MOVE PARTITION TO TABLE query can be delayed or can throw TOO_MANY_PARTS exception to avoid exceeding limits on the part count. The same settings ...
{"source_file": "2024.md"}
[ 0.043323367834091187, -0.038717228919267654, 0.008324973285198212, -0.024405278265476227, 0.01499972864985466, -0.07552281022071838, -0.021443156525492668, 0.06391938030719757, 0.003076585941016674, 0.01877584680914879, 0.05962308496236801, 0.035075604915618896, 0.03388144448399544, -0.037...
d01adcdc-6dde-4e48-8380-db7a43d38d68
Ignore DROP queries in stress test with 1/2 probability, use TRUNCATE instead of ignoring DROP in upgrade check for Memory/JOIN tables. #61476 ( Kruglov Pavel ). Remove from the Keeper Docker image the volumes at /etc/clickhouse-keeper and /var/log/clickhouse-keeper. #61683 ( Tristan ). Add tests for all issues...
{"source_file": "2024.md"}
[ 0.0627930611371994, 0.0010551162995398045, -0.03571346029639244, 0.05541503056883812, 0.031172513961791992, -0.091031014919281, 0.05081354081630707, 0.010380465537309647, 0.006759416311979294, 0.041581153869628906, -0.027923624962568283, -0.051206838339567184, -0.0013914048904553056, 0.024...
a70ce80c-ed09-402a-b819-7458e0e96141
Cancel merges before removing moved parts #61610 ( János Benjamin Antal ). Fix abort in Apache Arrow #61720 ( Kruglov Pavel ). Search for convert_to_replicated flag at the correct path corresponding to the specific disk #61769 ( Kirill ). Fix possible connections data-race for distributed_foreground_inser...
{"source_file": "2024.md"}
[ -0.040315113961696625, -0.05446482077240944, -0.01213175617158413, -0.01659824699163437, -0.035177674144506454, -0.04483005404472351, -0.06475899368524551, 0.007938510738313198, -0.012247302569448948, 0.032144635915756226, 0.08951124548912048, -0.017842652276158333, 0.032387297600507736, -...
79115ce0-a298-4871-b91f-ef13a66d2d87
Fix SimpleSquashingChunksTransform #62451 ( Nikita Taranov ). Fix capture of nested lambda. #62462 ( Nikolai Kochetov ). Avoid crash when reading protobuf with recursive types #62506 ( Raúl Marín ). Fix a bug moving one partition from one to itself #62524 ( helifu ). Fix scalar subquery in LIMIT #62567...
{"source_file": "2024.md"}
[ -0.051161523908376694, -0.01523582823574543, 0.007196847349405289, -0.06693767756223679, -0.015388593077659607, -0.0577210895717144, -0.0349142849445343, 0.02304910123348236, -0.14115597307682037, 0.06417442113161087, -0.042773764580488205, 0.010960058309137821, -0.09160773456096649, -0.00...
95013107-a5b9-49f8-a2b5-f7fc376ac156
ClickHouse release 24.3 LTS, 2024-03-27 {#a-id243a-clickhouse-release-243-lts-2024-03-27} Upgrade Notes {#upgrade-notes-1} The setting allow_experimental_analyzer is enabled by default and it switches the query analysis to a new implementation, which has better compatibility and feature completeness. The featur...
{"source_file": "2024.md"}
[ 0.00493055023252964, -0.05133684724569321, -0.048320479691028595, -0.0801820233464241, -0.06390519440174103, -0.022458869963884354, 0.027332857251167297, -0.04130655527114868, -0.022769179195165634, -0.028726793825626373, 0.03550717234611511, -0.005072840489447117, 0.007549951784312725, 0....
09250308-c77e-4dcf-9051-f58133e6c0b7
The obsolete in-memory data parts have been deprecated since version 23.5 and have not been supported since version 23.10. Now the remaining code is removed. Continuation of #55186 and #45409 . It is unlikely that you have used in-memory data parts because they were available only before version 23.5 and only when y...
{"source_file": "2024.md"}
[ 0.08675675094127655, -0.030753102153539658, -0.017948273569345474, 0.005212724674493074, -0.016187261790037155, -0.06180964410305023, 0.0032679750584065914, 0.033147577196359634, -0.06325944513082504, 0.013744215480983257, 0.07267127186059952, 0.01791246235370636, -0.004697694443166256, -0...
4c144ad9-3fa7-467e-bcf2-c23eb5201a68
New Feature {#new-feature-9} Support reading and writing backups as tar (in addition to zip ). #59535 ( josh-hildred ). Implemented support for S3 Express buckets. #59965 ( Nikita Taranov ). Allow to attach parts from a different disk (using copy instead of hard link). #60112 ( Unalian ). Size-capped...
{"source_file": "2024.md"}
[ -0.033866893500089645, -0.07955493032932281, -0.06744743883609772, 0.04856865480542183, -0.010792603716254234, -0.0437670536339283, -0.04153714329004288, 0.035583190619945526, -0.012317308224737644, 0.08470387756824493, -0.037654273211956024, 0.03445086628198624, 0.057850126177072525, -0.0...
ad882303-2ee0-4709-8348-90cd9026a864
Make HTTP/HTTPS connections with external services, such as AWS S3 reusable for all use cases. Even when the response is 3xx or 4xx. #58845 ( Sema Checherinda ). Improvements to aggregate functions argMin / argMax / any / anyLast / anyHeavy , as well as ORDER BY {u8/u16/u32/u64/i8/i16/u32/i64) LIMIT 1 qu...
{"source_file": "2024.md"}
[ -0.040058329701423645, 0.06407982110977173, -0.10059826076030731, -0.008612750098109245, -0.0552758052945137, -0.0315711535513401, 0.000984317739494145, -0.05800053849816322, 0.015092097222805023, 0.03924930468201637, -0.009992307052016258, -0.031910259276628494, 0.051031097769737244, -0.0...
a1476006-d8fe-4cb4-a3f1-e973c7117969
Add a setting parallel_replicas_allow_in_with_subquery = 1 which allows subqueries for IN work with parallel replicas. #60950 ( Nikolai Kochetov ). A change for the "zero-copy" replication: all zero copy locks related to a table have to be dropped when the table is dropped. The directory which contains these lock...
{"source_file": "2024.md"}
[ -0.04298517107963562, -0.0013501307694241405, -0.0363786555826664, -0.04694979265332222, -0.07362876832485199, 0.006081598345190287, -0.06956324726343155, 0.01778317429125309, -0.005363821052014828, 0.03469467908143997, 0.02239103801548481, -0.04745122417807579, 0.07303336262702942, -0.116...
e78d3577-70ee-462f-a819-a2e8898cbb25
String types and Enums can be used in the same context, such as: arrays, UNION queries, conditional expressions. This closes #60726 . #60727 ( Alexey Milovidov ). Allow declaring Enums in the structure of external data for query processing (this is an immediate temporary table that you can provide for your query)....
{"source_file": "2024.md"}
[ 0.03537799045443535, 0.021175872534513474, -0.03562379255890846, -0.034931480884552, 0.020027270540595055, -0.0018266686238348484, -0.03862901031970978, 0.08100391924381256, -0.04044226557016373, 0.030346304178237915, 0.0037387560587376356, -0.011919595301151276, -0.028941212221980095, -0....
6c7250ff-527c-41eb-a323-d057bb4453cb
Update tzdata to 2024a. #60768 ( Raúl Marín ). Keeper improvement: support leadership_expiry_ms in Keeper's settings. #60806 ( Brokenice0415 ). Always infer exponential numbers in JSON formats regardless of the setting input_format_try_infer_exponent_floats . Add setting input_format_json_use_string_type_fo...
{"source_file": "2024.md"}
[ -0.022001245990395546, -0.018345175310969353, -0.077934131026268, -0.007460164837539196, -0.05805908516049385, -0.05527146905660629, -0.02149769477546215, 0.05269072949886322, -0.05146145448088646, 0.03222528100013733, 0.05428320914506912, 0.020011287182569504, 0.013513647019863129, 0.0461...
d6ef2b1f-75d1-46f4-9e10-b99c6e6696ac
Fixed typo: from use_leagcy_max_level to use_legacy_max_level . #61545 ( William Schoeffel ). Remove some duplicate entries in system.blob_storage_log . #61622 ( YenchangChan ). Added current_user function as a compatibility alias for MySQL. #61770 ( Yarik Briukhovetskyi ). Fix inconsistent floating p...
{"source_file": "2024.md"}
[ -0.03216718137264252, -0.014123079366981983, -0.07324478030204773, 0.025245487689971924, -0.06832529604434967, -0.09170752018690109, 0.014844832941889763, 0.08003915101289749, -0.07703110575675964, 0.027786418795585632, 0.023115776479244232, -0.10629667341709137, 0.06825827807188034, 0.024...
c195386e-9b6c-498f-987b-077451552197
Fix "Invalid storage definition in metadata file" for parameterized views #60708 ( Azat Khuzhin ). Fix buffer overflow in CompressionCodecMultiple #60731 ( Alexey Milovidov ). Remove nonsense from SQL/JSON #60738 ( Alexey Milovidov ). Remove wrong assertion in aggregate function quantileGK #60740 ( 李扬 ). ...
{"source_file": "2024.md"}
[ -0.03042610175907612, -0.03245461732149124, -0.05039772391319275, -0.030750514939427376, -0.0037113854195922613, -0.023060351610183716, -0.04106288030743599, 0.04908430203795433, -0.03524574264883995, 0.046838488429784775, 0.003315220819786191, -0.01582992821931839, 0.04123935475945473, 0....
7ace5b86-3b76-4219-af1f-804ab70b5a21
Fix addDays cause an error when used DateTime64 #61561 ( Shuai li ). Disallow LowCardinality input type for JSONExtract #61617 ( Julia Kartseva ). Fix system.part_log for async insert with deduplication #61620 ( Antonio Andelic ). Fix a Non-ready set exception for system.parts. #61666 ( Nikolai Kochet...
{"source_file": "2024.md"}
[ -0.05258233845233917, 0.010567239485681057, 0.029103538021445274, 0.001495209289714694, -0.014744516462087631, -0.0014368281699717045, -0.09727119654417038, -0.00018547913350630552, -0.03303913399577141, -0.048492733389139175, 0.04503437504172325, -0.04031103849411011, -0.0331888273358345, ...
9a8cfc7c-40a8-4a8a-88d1-d09b13d1ebbf
Try to detect file format automatically during schema inference if it's unknown in file/s3/hdfs/url/azureBlobStorage engines. Closes #50576 . #59092 ( Kruglov Pavel ). Implement auto-adjustment for asynchronous insert timeouts. The following settings are introduced: async_insert_poll_timeout_ms, async_insert_use...
{"source_file": "2024.md"}
[ -0.005264096427708864, -0.05895119905471802, -0.08085107803344727, 0.055553287267684937, 0.014803885482251644, 0.02621338702738285, -0.0600595697760582, -0.05750379338860512, 0.06293663382530212, 0.11870995163917542, -0.013272274285554886, -0.009327859617769718, 0.057352080941200256, 0.011...
9a4e7669-ce03-47cb-bfea-874bdd2012e5
Experimental Feature {#experimental-feature-8} Added function seriesOutliersDetectTukey to detect outliers in series data using Tukey's fences algorithm. #58632 ( Bhavna Jindal ). Keep in mind that the behavior will be changed in the next patch release. Add function variantType that returns Enum with varian...
{"source_file": "2024.md"}
[ -0.029057728126645088, -0.014562750235199928, -0.02430621162056923, 0.00833770353347063, 0.012348989956080914, -0.08084259182214737, -0.0645056888461113, 0.03254399821162224, -0.030646806582808495, 0.06789276748895645, 0.02470662258565426, -0.06000019609928131, 0.045413315296173096, -0.046...
5f1171a0-c1f7-49cd-978e-dd32c6ee6be3
Keeper improvement: reduce size of data node even more. #59592 ( Antonio Andelic ). Continue optimizing branch miss of if function when result type is Float*/Decimal*/*Int* , follow up of https://github.com/ClickHouse/ClickHouse/pull/57885. #59148 ( 李扬 ). Optimize if function when the input type is Map , ...
{"source_file": "2024.md"}
[ -0.0029463607352226973, 0.11486387997865677, 0.00042764461250044405, -0.02875743806362152, -0.019821150228381157, -0.04706506431102753, 0.06248214840888977, 0.06261730939149857, -0.0611574612557888, 0.026822799816727638, -0.02904025837779045, -0.05743306875228882, 0.03685411810874939, -0.0...
95cad309-fcf9-4c64-a15a-41e37ea73b02
Add support for the Date32 type in the T64 codec. #58738 ( Hongbin Ma ). Allow trailing commas in types with several items. #59119 ( Aleksandr Musorin ). Settings for the Distributed table engine can now be specified in the server configuration file (similar to MergeTree settings), e.g. <distributed> <flus...
{"source_file": "2024.md"}
[ 0.048262372612953186, -0.013857734389603138, -0.06974027305841446, 0.021419739350676537, -0.03753170743584633, -0.020474376156926155, -0.053542591631412506, 0.0594991073012352, -0.06375789642333984, 0.07588418573141098, -0.039352647960186005, -0.034483056515455246, 0.009969760663807392, 0....
7fb8ed17-779c-4969-a693-2d7dd7b852f8
After self-extraction temporary binary is moved instead copying. #59661 ( Yakov Olkhovskiy ). Fix stack unwinding on Apple macOS. This closes #53653 . #59690 ( Nikita Mikhaylov ). Check for stack overflow in parsers even if the user misconfigured the max_parser_depth setting to a very high value. This closes...
{"source_file": "2024.md"}
[ -0.05179038643836975, -0.08049322664737701, -0.06003723293542862, -0.04999654367566109, -0.045418888330459595, -0.09719029814004898, -0.0673418864607811, -0.009782847948372364, 0.05595451593399048, 0.0692509338259697, 0.0526188500225544, -0.03891587629914284, -0.0629744678735733, -0.078741...
ce2515f2-0c37-483c-8d88-94f463f495fe
Update the Rust toolchain in corrosion-cmake when the CMake cross-compilation toolchain variable is set. #59309 ( Aris Tritas ). Add some fuzzing to ASTLiterals. #59383 ( Raúl Marín ). If you want to run initdb scripts every time when ClickHouse container is starting you shoud initialize environment varible C...
{"source_file": "2024.md"}
[ -0.07319194078445435, 0.013797677122056484, -0.024674151092767715, 0.03956552594900131, -0.02102925069630146, -0.0372115895152092, 0.04144690930843353, 0.017809171229600906, -0.0920267328619957, -0.05763896927237511, -0.02034873701632023, -0.07817733287811279, 0.053085774183273315, -0.0215...
4a7e2cb5-54f1-4353-b3cb-b99cde15965f
S3Queue: fix uninitialized value #59897 ( Kseniia Sumarokova ). Fix parsing of partition expressions surrounded by parens #59901 ( János Benjamin Antal ). Fix crash in JSONColumnsWithMetadata format over HTTP #59925 ( Kruglov Pavel ). Do not rewrite sum to count if the return value differs in Analyzer #599...
{"source_file": "2024.md"}
[ -0.05206693708896637, 0.0024767189752310514, -0.04799775406718254, -0.03944581001996994, -0.014278615824878216, -0.04297856613993645, -0.03489979729056358, -0.007850080728530884, -0.01487885694950819, 0.07286164164543152, 0.013857693411409855, -0.045860759913921356, 0.020497066900134087, -...
e1c7e36b-9adf-4c8e-a34a-7d4b3ffb91fd
Fix cosineDistance crash with Nullable #60150 ( Raúl Marín ). Allow casting of bools in string representation to true bools #60160 ( Robert Schulze ). Fix system.s3queue_log #60166 ( Kseniia Sumarokova ). Fix arrayReduce with nullable aggregate function name #60188 ( Raúl Marín ). Hide sensitive info ...
{"source_file": "2024.md"}
[ -0.013574172742664814, -0.012957668863236904, -0.09326430410146713, 0.004992367699742317, -0.017267515882849693, -0.060557298362255096, -0.0376034639775753, -0.030637139454483986, -0.005535139702260494, 0.05888298153877258, 0.025324253365397453, -0.0050116488710045815, 0.04036492109298706, ...
f9ae136d-c50a-411e-ae44-4979be3e4c81
Kusto dialect is disabled until these two bugs will be fixed: #59037 and #59036 . #59305 ( Alexey Milovidov ). Any attempt to use Kusto will result in exception. More efficient implementation of the FINAL modifier no longer guarantees preserving the order even if max_threads = 1 . If you counted on the pre...
{"source_file": "2024.md"}
[ -0.0063482183031737804, 0.0041023483499884605, 0.03946291282773018, -0.07711741328239441, -0.09368783980607986, 0.033121488988399506, -0.03791674226522446, 0.020285440608859062, -0.029566485434770584, 0.008200547657907009, 0.014863112010061741, -0.03343271464109421, -0.03639142960309982, -...
9d32fc52-096e-40f7-b132-824a8719e75d
Added function sqidDecode which decodes Sqids . #58544 ( Robert Schulze ). Allow to read Bool values into String in JSON input formats. It's done under a setting input_format_json_read_bools_as_strings that is enabled by default. #58561 ( Kruglov Pavel ). Added function seriesDecomposeSTL which decompose...
{"source_file": "2024.md"}
[ -0.07189580053091049, 0.04521380737423897, -0.09389305114746094, 0.01703672856092453, -0.08422151207923889, -0.06864060461521149, 0.006021930370479822, 0.011258489452302456, 0.005243613850325346, 0.026408830657601357, -0.045075275003910065, 0.028973862528800964, 0.08424272388219833, 0.0968...
a2e79d70-431d-47eb-86ea-437fe6e73c1b
Performance Improvement {#performance-improvement-11} Coordination for parallel replicas is rewritten for better parallelism and cache locality. It has been tested for linear scalability on hundreds of replicas. It also got support for reading in order. #57968 ( Nikita Taranov ). Replace HTTP outgoing buffering...
{"source_file": "2024.md"}
[ -0.00196851696819067, -0.0364530123770237, -0.030628038570284843, 0.004044177010655403, -0.03803189471364021, -0.06993760913610458, -0.057409051805734634, 0.044874560087919235, 0.012998710386455059, 0.05307567119598389, -0.009612391702830791, 0.06716140359640121, 0.022628657519817352, -0.0...
78e4ea10-3385-4154-9a88-355f90de0159
Use one thread less in clickhouse-local . #58968 ( Alexey Milovidov ). Improve the multiIf function performance when the type is Nullable. #57745 ( KevinyhZou ). Add SYSTEM JEMALLOC PURGE for purging unused jemalloc pages, SYSTEM JEMALLOC [ ENABLE | DISABLE | FLUSH ] PROFILE for controlling jemalloc prof...
{"source_file": "2024.md"}
[ 0.013116834685206413, -0.009462482295930386, -0.08631996810436249, -0.0559711828827858, 0.042109377682209015, -0.016594430431723595, -0.01300092227756977, 0.07426724582910538, -0.11118341237306595, 0.04697645455598831, -0.00528796436265111, -0.013496593572199345, 0.020560337230563164, -0.0...
f7495a76-5f63-4e83-b590-5650f7bdfddf
sparkBar as an alias to sparkbar . #58335 ( 凌涛 ). Avoid sending ComposeObject requests after upload to GCS . #58343 ( Azat Khuzhin ). Correctly handle keys with dot in the name in configurations XMLs. #58354 ( Azat Khuzhin ). Make function format return constant on constant arguments. This closes #5...
{"source_file": "2024.md"}
[ -0.03709789738059044, -0.009582947939634323, -0.033781830221414566, -0.01696178875863552, -0.06388923525810242, -0.031206164509058, -0.01757170632481575, 0.0679256021976471, -0.045690085738897324, -0.0035551798064261675, -0.07248525321483612, -0.04799040034413338, 0.08583993464708328, -0.1...
71d77854-e806-4bba-9299-f7e3ed2f50a6
A better exception message while conflict of creating dictionary and table with the same name. #58841 ( Yarik Briukhovetskyi ). Make sure that for custom (created from SQL) disks ether filesystem_caches_path (a common directory prefix for all filesystem caches) or custom_cached_disks_base_directory (a common di...
{"source_file": "2024.md"}
[ 0.03365711867809296, -0.027886055409908295, -0.07083842158317566, -0.010588313452899456, -0.07045909017324448, -0.1125510036945343, 0.05695071816444397, 0.05872993916273117, -0.02602507919073105, 0.06243063509464264, 0.10689569264650345, 0.0055868239142000675, 0.12038213014602661, 0.009132...
91224c99-ab7c-4bab-b664-877bc565fc4c
Fix bug in the experimental _block_number column which could lead to logical error during complex combination of ALTER s and merge s. Fixes #56202 . Replaces #58601 . #59295 ( alesapin ). Play UI understands when an exception is returned inside JSON. Adjustment for #52853 . #59303 ( Alexey Milovidov ). /...
{"source_file": "2024.md"}
[ -0.026988105848431587, -0.006688215304166079, -0.020408211275935173, -0.030475089326500893, -0.06531799584627151, 0.05383741855621338, 0.003457171143963933, 0.04600417986512184, -0.035855673253536224, -0.0031672967597842216, -0.025409607216715813, 0.01784716546535492, 0.022466253489255905, ...
d69cd96e-42d1-4d1d-a3ff-64c4698915d3
A fix for the obsolete "zero-copy" replication feature: Fix lost blobs after dropping a replica with broken detached parts #58333 ( Alexander Tokmakov ). Allow users to work with symlinks in user_files_path #58447 ( Duc Canh Le ). Fix a crash when graphite table does not have an agg function #58453 ( Duc Canh...
{"source_file": "2024.md"}
[ -0.07791466265916824, -0.02947044000029564, 0.034039802849292755, -0.050359971821308136, -0.012337391264736652, -0.07212769240140915, -0.07089526951313019, 0.006263768766075373, -0.06694034487009048, 0.09233065694570541, 0.031688086688518524, 0.010680272243916988, 0.0355537012219429, -0.02...
b9e2880e-a0e8-4df1-b33e-60331139c5d4
Fix data race on query_factories_info #59049 ( Kseniia Sumarokova ). Disable "Too many redirects" error retry #59099 ( skyoct ). Fix not started database shutdown deadlock #59137 ( Sergei Trifonov ). Fix: LIMIT BY and LIMIT in distributed query #59153 ( Igor Nikonov ). Fix crash with nullable timezone f...
{"source_file": "2024.md"}
[ -0.0203174389898777, -0.02904336340725422, -0.019369639456272125, 0.02888074330985546, -0.002060979837551713, -0.026859097182750702, -0.011814219877123833, 0.057243648916482925, -0.06390858441591263, 0.02074439637362957, -0.021839966997504234, 0.010935204103589058, -0.021633682772517204, -...
7e9da82c-9159-4774-adb3-f71006335e97
slug: /whats-new/changelog/2023 sidebar_position: 4 sidebar_label: '2023' title: '2023 Changelog' description: 'Changelog for 2023' keywords: ['ClickHouse 2023', 'changelog 2023', 'release notes', 'version history', 'performance improvements'] doc_type: 'changelog' Table of Contents {#table-of-contents} ClickHous...
{"source_file": "2023.md"}
[ -0.006204576697200537, -0.02907002717256546, 0.08791322261095047, -0.04446868970990181, 0.07356942445039749, -0.001883647171780467, -0.010731237009167671, -0.03396854177117348, -0.009281964972615242, 0.08824875950813293, 0.02588965743780136, 0.07170101255178452, -0.018372468650341034, -0.0...
5c28ec1f-2d99-471b-803f-4b3f66e7281f
A handler /binary opens a visual viewer of symbols inside the ClickHouse binary. #58211 ( Alexey Milovidov ). Added a new SQL function sqid to generate Sqids (https://sqids.org/), example: SELECT sqid(125, 126) . #57512 ( Robert Schulze ). Add a new function seriesPeriodDetectFFT to detect series period ...
{"source_file": "2023.md"}
[ -0.0001783371699275449, -0.07707254588603973, -0.11379657685756683, 0.027372607961297035, -0.0343208909034729, 0.010681405663490295, -0.02023870125412941, -0.04665151238441467, 0.057804081588983536, 0.032596077769994736, -0.047926388680934906, -0.07395189255475998, 0.019666165113449097, 0....
b615410d-59d7-41ad-90e9-f5defcc76701
Performance Improvement {#performance-improvement} Extract non-intersecting parts ranges from MergeTree table during FINAL processing. That way we can avoid additional FINAL logic for this non-intersecting parts ranges. In case when amount of duplicate values with same primary key is low, performance will be almost...
{"source_file": "2023.md"}
[ -0.030371038243174553, -0.0030681912321597338, -0.019608736038208008, -0.07884286344051361, 0.012964345514774323, -0.09032007306814194, -0.045395415276288986, 0.048609621822834015, 0.002451305976137519, -0.009067943319678307, 0.025507505983114243, 0.04607023671269417, 0.03610405698418617, ...
a940604a-581c-4b4b-b1ae-d2828e841580
Improvement {#improvement} Support for soft memory limit in Keeper. It will refuse requests if the memory usage is close to the maximum. #57271 ( Han Fei ). #57699 ( Han Fei ). Make inserts into distributed tables handle updated cluster configuration properly. When the list of cluster nodes is dynamically upd...
{"source_file": "2023.md"}
[ 0.040012191981077194, -0.048099126666784286, -0.06084663048386574, 0.04625336825847626, -0.020010264590382576, -0.05702558159828186, -0.06769025325775146, 0.058964695781469345, -0.033328235149383545, 0.028344502672553062, 0.066802978515625, -0.004398432094603777, 0.10687202215194702, -0.06...
0d3de96d-fca0-40af-bc91-1df5c9d400a8
Allow nodes in the configuration file with from_env / from_zk reference and non empty element with replace=1. #57628 ( Azat Khuzhin ). A table function fuzzJSON which allows generating a lot of malformed JSON for fuzzing. #57646 ( Julia Kartseva ). Allow IPv6 to UInt128 conversion and binary arithmetic. #5...
{"source_file": "2023.md"}
[ -0.08928735554218292, 0.03776806965470314, -0.11423303931951523, 0.03036116436123848, -0.06043442338705063, -0.10215948522090912, -0.040121082216501236, 0.018008776009082794, -0.030882257968187332, -0.0004512588493525982, 0.003651227569207549, 0.0421920083463192, 0.030022602528333664, -0.0...
6b3174bd-5905-418c-8530-d484da7a5a28
Parallel replicas (experimental feature): disable parallel replicas with IN (subquery) #58133 ( Igor Nikonov ). Parallel replicas (experimental feature): add profile event 'ParallelReplicasUsedCount' #58173 ( Igor Nikonov ). Non POST requests such as HEAD will be readonly similar to GET. #58060 ( San ). Add...
{"source_file": "2023.md"}
[ -0.048309359699487686, -0.01993531547486782, -0.08987215906381607, -0.006544505245983601, -0.022719761356711388, -0.08061613142490387, -0.04639637470245361, -0.02346423827111721, -0.0218945425003767, 0.11446911841630936, 0.03679788112640381, -0.08259101957082748, 0.09873716533184052, -0.06...
5ec7f457-de8a-46dd-848b-5a8f0f5cd663
Fix crash in clickhouse-local #57553 ( Nikolay Degterinsky ). A fix for Hash JOIN. #57564 ( vdimir ). Fix possible error in PostgreSQL source #57567 ( Kseniia Sumarokova ). Fix type correction in Hash JOIN for nested LowCardinality. #57614 ( vdimir ). Avoid hangs of system.stack_trace by correctly pro...
{"source_file": "2023.md"}
[ -0.021471858024597168, -0.045619938522577286, 0.008630947209894657, 0.02385362610220909, -0.02421111986041069, -0.07019302248954773, -0.04874657094478607, 0.005879292264580727, -0.05947112292051315, 0.026579581201076508, 0.033468034118413925, 0.00937665719538927, -0.011868827044963837, -0....
d9714f38-46d5-4d2c-b1cf-1b7e6a92153a
Multiple improvements for RESPECT NULLS / IGNORE NULLS for window functions. If you use them as aggregate functions and store the states of aggregate functions with these modifiers, they might become incompatible. #57189 ( Raúl Marín ). Remove optimization optimize_move_functions_out_of_any . #57190 ( Raúl Mar...
{"source_file": "2023.md"}
[ -0.017298588529229164, 0.06794518977403641, -0.018298976123332977, 0.06703048944473267, -0.037542104721069336, 0.0228106752038002, 0.0019779561553150415, 0.06516318023204803, -0.014987865462899208, 0.01775694452226162, -0.027000831440091133, -0.10677436739206314, -0.040168169885873795, -0....
f98f2eef-4308-4538-b8b1-6e01e1e8f045
Add new settings and syntax to protect named collections' fields from being overridden. This is meant to prevent a malicious user from obtaining unauthorized access to secrets. #55782 ( Salvatore Mesoraca ). Add hostname column to all system log tables - it is useful if you make the system tables replicated, shar...
{"source_file": "2023.md"}
[ -0.03747723624110222, 0.056102439761161804, -0.05702251195907593, -0.004319487139582634, -0.04952418804168701, -0.07762032002210617, 0.004601482301950455, -0.003768683411180973, -0.015089881606400013, 0.010085553862154484, -0.008838445879518986, -0.06222059577703476, 0.1332024186849594, -0...
99a66ef0-f081-4499-b36b-c5057acc22d7
Setting join_algorithm respects specified order #51745 ( vdimir ). Add support for the well-known Protobuf types in the Protobuf format. #56741 ( János Benjamin Antal ). Performance Improvement {#performance-improvement-1} Adaptive timeouts for interacting with S3. The first attempt is made with low s...
{"source_file": "2023.md"}
[ -0.04104995355010033, 0.009960087016224861, -0.0856018215417862, -0.04482559114694595, -0.033984921872615814, -0.07566255331039429, -0.01932227984070778, 0.015102737583220005, -0.04229050129652023, -0.004100339021533728, -0.06166766211390495, 0.006378775462508202, 0.03405025601387024, -0.1...
a7361feb-dbd4-45f6-834d-8e737026d03d
Trivial count optimization for Npy data format: queries like select count() from 'data.npy' will work much more fast because of caching the results. #56304 ( Yarik Briukhovetskyi ). Queries with aggregation and a large number of streams will use less amount of memory during the plan's construction. #57074 ( A...
{"source_file": "2023.md"}
[ -0.020310193300247192, 0.04113967716693878, -0.0658128410577774, 0.06125640869140625, -0.04336639866232872, -0.012411885894834995, -0.0017625289037823677, 0.07957374304533005, -0.00278594926930964, 0.0643315315246582, -0.08033958077430725, 0.06575232744216919, -0.0010306754847988486, 0.022...
6dd664b9-d6b6-41ad-92ba-1a92d970a70c
Set background_fetches_pool_size to 16, background_schedule_pool_size to 512 that is better for production usage with frequent small insertions. #54327 ( Denny Crane ). While read data from a csv format file, and at end of line is \r , which not followed by \n , then we will enconter the exception as follows ...
{"source_file": "2023.md"}
[ -0.02359504997730255, -0.023181574419140816, -0.05517890676856041, 0.02170148864388466, -0.00905581470578909, -0.04587848111987114, -0.01812305860221386, 0.002923516323789954, 0.002089714864268899, -0.025185829028487206, -0.02560211531817913, -0.02303144708275795, -0.011679230257868767, -0...
76ebb420-9cbf-495c-97e1-6161bb119f8a
Add support for backing up and restoring tables using KeeperMap engine. #56460 ( Antonio Andelic ). 404 response for CompleteMultipartUpload has to be rechecked. Operation could be done on server even if client got timeout or other network errors. The next retry of CompleteMultipartUpload receives 404 response. I...
{"source_file": "2023.md"}
[ -0.04275054484605789, -0.011292006820440292, 0.015805566683411598, -0.015558945946395397, -0.09600088000297546, -0.0941786915063858, -0.08964389562606812, -0.0393696129322052, -0.034752558916807175, 0.045113567262887955, 0.002819895977154374, 0.026290906593203545, 0.05503816157579422, -0.0...
4f8e6988-ef68-41c3-8bce-f82fad14201b
Keeper improvement: disable compressed logs by default in Keeper. #56763 ( Antonio Andelic ). Add config setting wait_dictionaries_load_at_startup . #56782 ( Vitaly Baranov ). There was a potential vulnerability in previous ClickHouse versions: if a user has connected and unsuccessfully tried to authenticate w...
{"source_file": "2023.md"}
[ -0.07363153994083405, 0.053480442613363266, -0.046980202198028564, -0.03934994712471962, -0.03481422737240791, -0.09237215667963028, -0.03515301272273064, -0.08132223784923553, 0.030977526679635048, 0.07630405575037003, 0.007123705931007862, 0.03906824812293053, 0.027358803898096085, -0.00...
beb4e737-e9df-44e8-b381-f442e31cf7a4
Add system.s3queue_log to default config. #57036 ( Kseniia Sumarokova ). Change the default for wait_dictionaries_load_at_startup to true, and use this setting only if dictionaries_lazy_load is false. #57133 ( Vitaly Baranov ). Check dictionary source type on creation even if dictionaries_lazy_load is e...
{"source_file": "2023.md"}
[ 0.015454812906682491, 0.021282292902469635, -0.0974685549736023, 0.03514542430639267, -0.035492297261953354, -0.025006143376231194, -0.03116283379495144, -0.025743680074810982, -0.03853975236415863, 0.013802609406411648, -0.03160742670297623, 0.04908004775643349, -0.010894089937210083, -0....
6f44517c-e616-4867-9882-619805ab52b2
Avoid recompiling translation units depending on the autogenerated source file about version. #56660 ( Alexey Milovidov ). Tracing data of the linker invocations will be sent to the CI database in ClickHouse Cloud. #56725 ( Alexey Milovidov ). Use DWARF 5 debug symbols for the clickhouse binary (was DWARF 4 pre...
{"source_file": "2023.md"}
[ -0.06610090285539627, -0.015244357287883759, -0.013821539469063282, -0.007954634726047516, 0.04001685604453087, -0.06365857273340225, -0.036134734749794006, -0.04501272737979889, -0.06891071051359177, 0.01969621516764164, 0.01887136697769165, -0.050305433571338654, 0.028646262362599373, -0...
75793346-cc23-45bf-8b8f-25e2e419b9b3
Fix rare race condition related to Memory allocation failure #56303 ( alesapin ). Fix restore from backup with flatten_nested and data_type_default_nullable #56306 ( Kseniia Sumarokova ). Fix crash in case of adding a column with type Object(JSON) #56307 ( Nikita Mikhaylov ). Fix crash in filterPushDown...
{"source_file": "2023.md"}
[ 0.016925137490034103, -0.012311676517128944, -0.02688622660934925, 0.012950316071510315, -0.04468823969364166, -0.026555435732007027, -0.04940132051706314, 0.01844523474574089, -0.04139917343854904, 0.03488248214125633, -0.003298710100352764, -0.016335884109139442, -0.09059283137321472, -0...
d833561f-f77f-433f-acf6-2157875f19fd
Fix sqlite file path validation #56984 ( San ). S3Queue: fix metadata reference increment #56990 ( Kseniia Sumarokova ). S3Queue minor fix #56999 ( Kseniia Sumarokova ). Fix file path validation for DatabaseFileSystem #57029 ( San ). Fix fuzzBits with ARRAY JOIN #57033 ( Antonio Andelic ). Fix N...
{"source_file": "2023.md"}
[ -0.04169066250324249, -0.02781728282570839, -0.0427735298871994, -0.04933449253439903, -0.05920906364917755, -0.08029229938983917, -0.02266669273376465, 0.0013592093018814921, -0.08831115812063217, 0.03523924574255943, 0.0006949025555513799, -0.03284721449017525, -0.01194713730365038, -0.0...
e3cbed7c-e937-46e7-b61d-42255c7de927
Do not interpret the send_timeout set on the client side as the receive_timeout on the server side and vise-versa. #56035 ( Azat Khuzhin ). Comparison of time intervals with different units will throw an exception. This closes #55942 . You might have occasionally rely on the previous behavior when the underlyi...
{"source_file": "2023.md"}
[ -0.013392382301390171, 0.007390293292701244, -0.08079143613576889, 0.009366068989038467, 0.004007422830909491, -0.060623835772275925, 0.0014883781550452113, -0.022191161289811134, 0.06603618711233139, 0.050997812300920486, -0.06729691475629807, -0.01025787740945816, 0.05684691667556763, -0...
b14d892c-821b-4165-9028-3117acf03021
The second part of Kusto Query Language dialect support. Phase 1 implementation has been merged. #42510 ( larryluogit ). Added a new SQL function, arrayRandomSample(arr, k) which returns a sample of k elements from the input array. Similar functionality could previously be achieved only with less convenient sy...
{"source_file": "2023.md"}
[ -0.013301283121109009, 0.042183421552181244, -0.05854169651865959, -0.06898408383131027, -0.10980920493602753, 0.006757022347301245, 0.07292985916137695, -0.04198046401143074, 0.010094561614096165, 0.023034928366541862, -0.08004889637231827, -0.030119208618998528, 0.02027049846947193, -0.0...
ffb21587-621d-4600-855a-d6674213c93d
Introduce a setting create_table_empty_primary_key_by_default for default ORDER BY () . #55899 ( Srikanth Chekuri ). Performance Improvement {#performance-improvement-2} Add option query_plan_preserve_num_streams_after_window_functions to preserve the number of streams after evaluating window functions t...
{"source_file": "2023.md"}
[ -0.020854059606790543, 0.07375101745128632, -0.00723748654127121, 0.01691494695842266, -0.04589508846402168, -0.05399367958307266, -0.055028852075338364, 0.010795958340168, -0.036028046160936356, 0.02504304051399231, -0.03280216455459595, 0.031389690935611725, 0.006357347592711449, -0.0719...
d13c1f7b-62c7-45fa-b925-7bba8626d048
Caching skip-able entries while executing DDL from Zookeeper distributed DDL queue. #54828 ( Duc Canh Le ). Experimental inverted indexes do not store tokens with too many matches (i.e. row ids in the posting list). This saves space and avoids ineffective index lookups when sequential scans would be equally fast or...
{"source_file": "2023.md"}
[ -0.06060250848531723, 0.013755380176007748, -0.03397132456302643, -0.02786417119204998, -0.011419462040066719, -0.11834754794836044, -0.007818830199539661, -0.03867735713720322, -0.029169026762247086, 0.015607531182467937, -0.018497556447982788, 0.05525103583931923, 0.07968327403068542, -0...
eec60f2b-bd5e-4ea1-bb66-4e07991fca9f
Add a new column xid for system.zookeeper_connection . #50702 ( helifu ). Display the correct server settings in system.server_settings after configuration reload. #53774 ( helifu ). Add support for mathematical minus − character in queries, similar to - . #54100 ( Alexey Milovidov ). Add replica gr...
{"source_file": "2023.md"}
[ -0.03860963135957718, -0.02777947299182415, -0.04587983712553978, 0.005150134209543467, -0.018928905948996544, -0.05384497344493866, -0.050546012818813324, -0.02667112648487091, 0.0043807257898151875, 0.046523772180080414, -0.038139134645462036, -0.057619769126176834, 0.0873652994632721, -...
8bee44cb-f197-4a57-a386-fad6886e87e4
Select remote proxy resolver based on request protocol, add proxy feature docs and remove DB::ProxyConfiguration::Protocol::ANY . #55430 ( Arthur Passos ). Avoid retrying keeper operations on INSERT after table shutdown. #55519 ( Azat Khuzhin ). SHOW COLUMNS now correctly reports type FixedString as BLOB ...
{"source_file": "2023.md"}
[ -0.01393036637455225, -0.004928990732878447, -0.012042172253131866, 0.0335560105741024, -0.055819250643253326, -0.04384496808052063, 0.03299996629357338, 0.012962320819497108, -0.022127225995063782, 0.09579294919967651, 0.01665768399834633, -0.0067744022235274315, 0.10084430873394012, 0.04...
05e91b1b-ed7f-4aec-80d8-8500f31361b2
Set limit of the maximum configuration value for queued.min.messages to avoid problem with start fetching data with Kafka. #56121 ( Stas Morozov ). Fixed a typo in SQL function minSampleSizeContinous (renamed minSampleSizeContinuous ). Old name is preserved for backward compatibility. This closes: #56139 . #...
{"source_file": "2023.md"}
[ -0.03845207020640373, 0.01214470062404871, -0.01930283010005951, -0.010339897125959396, -0.007862516678869724, -0.061455950140953064, -0.06906075030565262, 0.03725966438651085, -0.03674693405628204, 0.03748065605759621, 0.004178441129624844, -0.03499866649508476, -0.01629471778869629, -0.0...
c0a87ecf-2f8b-4d3f-93c2-a45c0a48a970
Suppress error statistics update for internal exceptions #55128 ( Robert Schulze ). Fix deadlock in backups #55132 ( alesapin ). Fix storage Iceberg files retrieval #55144 ( Kseniia Sumarokova ). Fix partition pruning of extra columns in set. #55172 ( Amos Bird ). Fix recalculation of skip indexes in AL...
{"source_file": "2023.md"}
[ -0.014634585939347744, 0.0012358658714219928, -0.0018158294260501862, 0.029821248725056648, 0.031522687524557114, -0.06157013028860092, -0.04277312010526657, 0.01024650502949953, -0.008487177081406116, 0.06155310571193695, 0.022581996396183968, -0.011359157040715218, -0.02967667765915394, ...