status stringclasses 1
value | repo_name stringclasses 13
values | repo_url stringclasses 13
values | issue_id int64 1 104k | updated_files stringlengths 11 1.76k | title stringlengths 4 369 | body stringlengths 0 254k ⌀ | issue_url stringlengths 38 55 | pull_url stringlengths 38 53 | before_fix_sha stringlengths 40 40 | after_fix_sha stringlengths 40 40 | report_datetime timestamp[ns, tz=UTC] | language stringclasses 5
values | commit_datetime timestamp[us, tz=UTC] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,940 | ["utils/db-generator/CMakeLists.txt", "utils/db-generator/query_db_generator.cpp"] | db_generator: substandard usability. | ```
milovidov@milovidov-desktop:~/work/ClickHouse$ build/utils/db-generator/query_db_generator
^C
milovidov@milovidov-desktop:~/work/ClickHouse$ build/utils/db-generator/query_db_generator --help
^C
milovidov@milovidov-desktop:~/work/ClickHouse$ build/utils/db-generator/query_db_generator < query.sql
milovidov@... | https://github.com/ClickHouse/ClickHouse/issues/15940 | https://github.com/ClickHouse/ClickHouse/pull/15973 | cb15e72229de85cdfe975199cfbef28c2ec362dd | 57575a5a12721682f07ff813460c6edb4b85b2c7 | 2020-10-13T19:46:39Z | c++ | 2020-10-14T17:24:02Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,854 | ["src/Storages/AlterCommands.cpp", "tests/queries/0_stateless/01522_validate_alter_default.reference", "tests/queries/0_stateless/01522_validate_alter_default.sql"] | Clickhouse does not validate DEFAULT value on MODIFY COLUMN for type compability | **Describe the bug**
Here's my table:
```sql
CREATE TABLE table2
(
EventDate Date,
Id Int32,
Value Int32
)
Engine = MergeTree()
PARTITION BY toYYYYMM(EventDate)
ORDER BY Id;
```
Modify default value (intentionally wrong):
```
>>> alter table table2 modify column Value default 's... | https://github.com/ClickHouse/ClickHouse/issues/15854 | https://github.com/ClickHouse/ClickHouse/pull/15858 | 6c1d59cd49dcc1b1174fefd5bbb645f8c31f7d95 | 835c4800563db5de885211c9c747bad9ee8c9817 | 2020-10-12T08:37:11Z | c++ | 2020-10-13T09:47:18Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,800 | ["src/Storages/MergeTree/MergeTreeReverseSelectProcessor.cpp", "tests/queries/0_stateless/01521_alter_enum_and_reverse_read.reference", "tests/queries/0_stateless/01521_alter_enum_and_reverse_read.sql"] | Alter enum -> Block structure mismatch in Pipe::unitePipes stream | 20.10.1
```
cat x.sql
drop table if exists enum_test;
create table enum_test(timestamp DateTime, host String, e Enum8('IU' = 1, 'WS' = 2))
Engine = MergeTree PARTITION BY toDate(timestamp) ORDER BY (timestamp, host);
insert into enum_test select '2020-10-09 00:00:00', 'h1', 'WS' from numbers(1000);
alter t... | https://github.com/ClickHouse/ClickHouse/issues/15800 | https://github.com/ClickHouse/ClickHouse/pull/15852 | 4798234002f84368566811f475755b972c85f781 | 321a7ae6bfc6a5cd243e2b363a9bb1d8d0a09a37 | 2020-10-09T20:31:15Z | c++ | 2020-10-13T06:49:26Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,792 | ["src/Interpreters/ExpressionAnalyzer.cpp", "src/Interpreters/ExpressionAnalyzer.h", "src/Interpreters/InterpreterSelectQuery.cpp", "tests/queries/0_stateless/01521_global_in_prewhere_15792.reference", "tests/queries/0_stateless/01521_global_in_prewhere_15792.sql"] | Wrong result in case of GLOBAL IN and PREWHERE | 20.10.1.4853
```sql
drop table if exists xp;
drop table if exists xp_d;
create table xp(A Date, B Int64, S String) Engine=MergeTree partition by toYYYYMM(A) order by B;
insert into xp select '2020-01-01', number , '' from numbers(100000);
insert into xp select '2020-10-01', number , '' from numbers(100000);
... | https://github.com/ClickHouse/ClickHouse/issues/15792 | https://github.com/ClickHouse/ClickHouse/pull/15933 | 22381685fdf1a4e6cfeada5ab9cdeb841e85fb7a | be7776608d7871b4617b55082d93a2f68f4d5b6f | 2020-10-09T16:08:38Z | c++ | 2020-10-19T18:21:57Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,784 | ["tests/queries/0_stateless/01768_extended_range.reference", "tests/queries/0_stateless/01768_extended_range.sql", "tests/queries/0_stateless/01769_extended_range_2.reference", "tests/queries/0_stateless/01769_extended_range_2.sql", "tests/queries/0_stateless/01770_extended_range_3.reference", "tests/queries/0_stateles... | Date and time functions fail when DateTime64 is out of normal range | To PR #9404
@Enmk
**The following functions return incorrect result when passing it date-time that's out of normal range:**
`toYear()`, `toMonth()`, `toQuarter()`, `toTime()`, `toRelative[....]Num()`, `toStartOf[...]()`, `toMonday()`, `toWeek()`
***For example:***
`SELECT toYear(toDateTime64('1968-12-12 11:22... | https://github.com/ClickHouse/ClickHouse/issues/15784 | https://github.com/ClickHouse/ClickHouse/pull/22002 | 7c0dba1b0ce30ff216f82fb1fa87b1d11b88b5d6 | 072d4bf199eae03be516b2de79e5775c8c6dd61a | 2020-10-09T13:34:07Z | c++ | 2021-03-23T17:04:44Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,780 | ["src/Functions/array/arrayIndex.h", "tests/queries/0_stateless/01441_low_cardinality_array_index.reference", "tests/queries/0_stateless/01441_low_cardinality_array_index.sql"] | 20.8 Types of array and 2nd argument of function "indexOf" must be identical up to ... | 20.7
```
SELECT indexOf(['a', 'b', 'c'], toLowCardinality('a'))
┌─indexOf(['a', 'b', 'c'], toLowCardinality('a'))─┐
│ 1 │
└─────────────────────────────────────────────────┘
```
20.8
```
SELECT indexOf(['a', 'b', 'c'], toLowCardinality('a'))
Received excep... | https://github.com/ClickHouse/ClickHouse/issues/15780 | https://github.com/ClickHouse/ClickHouse/pull/16038 | 0bb4480fee6fb17094b98bec1c694015dec7b1db | e89a3b5d098f63327a2fb521370d27294844ed6a | 2020-10-09T09:47:13Z | c++ | 2020-10-16T09:08:44Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,764 | ["programs/server/Server.cpp", "src/Server/CertificateReloader.cpp", "src/Server/CertificateReloader.h", "src/Server/ya.make"] | Dynamically reload TLS certificates | **Describe the issue**
We should be able to reload TLS certificates without restarting clickhouse. (will send WIP PR shortly)
relates to #14106 | https://github.com/ClickHouse/ClickHouse/issues/15764 | https://github.com/ClickHouse/ClickHouse/pull/15765 | 1c72421e53b9a1553f6c8eea070069a7212c8aac | d8510583d0f127037c2ccc80e6d42d3f29b5ed1b | 2020-10-08T16:20:50Z | c++ | 2021-11-05T14:07:29Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,732 | ["src/DataStreams/PushingToViewsBlockOutputStream.cpp", "src/Storages/StorageMaterializedView.cpp", "tests/queries/0_stateless/01527_materialized_view_stack_overflow.reference", "tests/queries/0_stateless/01527_materialized_view_stack_overflow.sql"] | Crash when use the same name for materialized view and TO table | Clickhouse crashes, when you specify the same name for materialized view and TO table.
**How to reproduce**
* version 20.9.2.20 (official build)
CREATE TABLE table1( Col1 String )
ENGINE = MergeTree()
ORDER BY Col1;
CREATE MATERIALIZED VIEW view1 to view1
AS SELECT DISTINCT Col1 FROM table1;
select name... | https://github.com/ClickHouse/ClickHouse/issues/15732 | https://github.com/ClickHouse/ClickHouse/pull/16048 | 11f56186db286c771fa7492f95a7229d3ac4cbd2 | 88de1b052c80eaa73dd40f4cd1bbaef46f5e3af9 | 2020-10-07T16:19:02Z | c++ | 2020-11-16T09:02:27Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,684 | ["src/Common/CurrentMetrics.cpp", "src/Core/BackgroundSchedulePool.cpp", "src/Core/BackgroundSchedulePool.h", "src/Interpreters/Context.cpp", "src/Storages/MergeTree/BackgroundProcessingPool.cpp", "src/Storages/MergeTree/BackgroundProcessingPool.h", "src/Storages/MergeTree/MergeList.cpp"] | Potential metrics overflow | When I queried `system.metrics` table, I found some negative values which hint to some potential internal overflows.
```
SELECT *
FROM system.metrics
FORMAT Vertical
...
Row 31:
───────
metric: MemoryTrackingInBackgroundProcessingPool
value: -580863171
description: Total amount of memory (byt... | https://github.com/ClickHouse/ClickHouse/issues/15684 | https://github.com/ClickHouse/ClickHouse/pull/15813 | 717c48cbf3c67fa1c956a9a07c6e56a0d970ee6b | 1187903b447d9ec3e5f331f28fdaaf9c013cf171 | 2020-10-06T15:40:05Z | c++ | 2020-10-10T22:11:17Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,641 | ["tests/queries/0_stateless/01635_nullable_fuzz.reference", "tests/queries/0_stateless/01635_nullable_fuzz.sql", "tests/queries/0_stateless/01636_nullable_fuzz2.reference", "tests/queries/0_stateless/01636_nullable_fuzz2.sql", "tests/queries/0_stateless/01637_nullable_fuzz3.reference", "tests/queries/0_stateless/01637_... | Logical error: 'Bad cast from type DB::ColumnConst to DB::ColumnNullable'. Assertion `false' | Found by AST Fuzzer at https://clickhouse-test-reports.s3.yandex.net/0/ce3d18e8c52144bac814cae6284295625411ef74/fuzzer/report.html#fail1
Query seems to be
```sql
SELECT
'Nul\0able\0String)Nul\0\0ble(String)Nul\0able(String)Nul\0able(String)',
NULL AND 2,
'',
number,
NULL AS k
FROM
(
... | https://github.com/ClickHouse/ClickHouse/issues/15641 | https://github.com/ClickHouse/ClickHouse/pull/18753 | 7007f53152cf3bbfd6837451b3a8ddb49690daa8 | 2d1afa5dad0d98a0c4f82a510e0164573e9d1244 | 2020-10-05T21:31:12Z | c++ | 2021-01-05T16:58:57Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,637 | ["src/Parsers/ExpressionElementParsers.cpp", "src/Parsers/ExpressionListParsers.cpp", "src/Parsers/ExpressionListParsers.h", "tests/queries/0_stateless/01523_interval_operator_support_string_literal.reference", "tests/queries/0_stateless/01523_interval_operator_support_string_literal.sql"] | INTERVAL operator should be applicable to string literal. | `INTERVAL '1 hour'` should be equivalent to `INTERVAL 1 HOUR`
**Use case**
People are used to Postgres. | https://github.com/ClickHouse/ClickHouse/issues/15637 | https://github.com/ClickHouse/ClickHouse/pull/15978 | 4476117ac60b5e3432aff6c4190755fccbf4da13 | 28c9e66dc13039e4ab5178399f30f5cd53f9cd16 | 2020-10-05T16:44:40Z | c++ | 2020-10-23T11:44:05Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,610 | ["src/Processors/Pipe.h", "src/Processors/QueryPipeline.h", "src/Processors/QueryPlan/ReadFromStorageStep.cpp", "src/Processors/QueryPlan/ReadFromStorageStep.h"] | 20.8.3.18 DB::RWLockImpl::unlock segfault | _Originally posted by @aubweb9 in https://github.com/ClickHouse/ClickHouse/issues/11940#issuecomment-699988601_
Hello,
I have kind of the same issue in version 20.8.3.18
```
2020.09.27 21:07:16.306908 [ 23103 ] {} <Fatal> BaseDaemon: ########################################
2020.09.27 21:07:16.316298 [ 23103 ... | https://github.com/ClickHouse/ClickHouse/issues/15610 | https://github.com/ClickHouse/ClickHouse/pull/15645 | 9594e463b4de8745c084de65e3c01e4623c98492 | 1f2e867ce669323500b030629c7e6d1a77d71b9f | 2020-10-05T08:34:43Z | c++ | 2020-10-06T16:17:38Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,591 | ["src/Storages/MergeTree/registerStorageMergeTree.cpp", "tests/queries/0_stateless/01532_primary_key_without_order_by_zookeeper.reference", "tests/queries/0_stateless/01532_primary_key_without_order_by_zookeeper.sql"] | Allow to specify PRIMARY KEY near the list of columns | `CREATE TABLE test (x Int32, y Int32, s String, PRIMARY KEY (x, y)) ENGINE = MergeTree;`
should be equivalent to
`CREATE TABLE test (x Int32, y Int32, s String) ENGINE = MergeTree PRIMARY KEY (x, y);` | https://github.com/ClickHouse/ClickHouse/issues/15591 | https://github.com/ClickHouse/ClickHouse/pull/16284 | d350d864e6be6355b3366e7fba37407476645e84 | 6037982343b898071064bcda70ec3674ace54afc | 2020-10-04T00:25:23Z | c++ | 2020-10-24T03:05:04Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,587 | ["src/Parsers/ParserDataType.cpp", "tests/queries/0_stateless/01307_bloom_filter_index_string_multi_granulas.sql", "tests/queries/0_stateless/01532_tuple_with_name_type.reference", "tests/queries/0_stateless/01532_tuple_with_name_type.sql"] | Named tuple inside array data type specification can't be parsed | ```
$ clickhouse client
ClickHouse client version 20.10.1.1-arcadia.
Connecting to localhost:9000 as user default.
Connected to ClickHouse server version 20.10.1 revision 54441.
max42-dev.sas.yp-c.yandex.net :) create table T(f Array(Tuple(key String, value UInt8))) engine = Log()
Syntax error: failed at posi... | https://github.com/ClickHouse/ClickHouse/issues/15587 | https://github.com/ClickHouse/ClickHouse/pull/16262 | 973c1d798394e8232874c178d7951d1819766123 | 64bd63ca4999297e041fe853c6e4b6a2fa5bd5f0 | 2020-10-03T15:54:46Z | c++ | 2020-11-04T00:08:55Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,541 | ["src/Common/filesystemHelpers.cpp", "src/Common/filesystemHelpers.h"] | Interrupted system call from DB::DiskLocal::getAvailableSpace() | `Could not calculate available disk space (statvfs), errno: 4, strerror: Interrupted system call`
> EINTR надо обрабатывать в цикле, см. в качестве примера ReadBufferFromFileDescriptor.cpp.
> Сигнал USR1, USR2 от профайлера, скорее всего. | https://github.com/ClickHouse/ClickHouse/issues/15541 | https://github.com/ClickHouse/ClickHouse/pull/15557 | aaafdfe22c7f4de69f5f041d6782a9d62c347114 | 46fa5ff53e459248f37b2fc64ca269a51423bcf8 | 2020-10-02T17:22:07Z | c++ | 2020-10-03T12:57:56Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,540 | ["tests/queries/0_stateless/01538_fuzz_aggregate.reference", "tests/queries/0_stateless/01538_fuzz_aggregate.sql"] | Crash with nullable, subquery and array join | ```
SELECT
count(), ... | https://github.com/ClickHouse/ClickHouse/issues/15540 | https://github.com/ClickHouse/ClickHouse/pull/16454 | 512dddb2b8163abc118b41493d4daa0f2b8396f9 | 6667261b023296054c1811d5d27a5c416e17a299 | 2020-10-02T16:26:00Z | c++ | 2020-10-28T06:25:44Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,529 | ["src/Storages/StorageBuffer.cpp", "tests/queries/0_stateless/01514_empty_buffer_different_types.reference", "tests/queries/0_stateless/01514_empty_buffer_different_types.sql"] | After upgrade from 20.3 to 20.8 Engine=Buffer raise Code: 49. DB::Exception: Cannot add simple transform to empty Pipe | **Describe the issue**
after succesful update clickhouse from 20.3 to 20.8
a SELECT query which combine `FROM buffer_table` and `WHERE dictGet` and `filter by date` which doesn't contains data on original MergeTree table, fail with
Code: 49. DB::Exception: Cannot add simple transform to empty Pipe
**How to re... | https://github.com/ClickHouse/ClickHouse/issues/15529 | https://github.com/ClickHouse/ClickHouse/pull/15662 | 38c7132c0f580547a72e3cc1fa18a091abf46221 | 2a62a91af421efb412e82dced949fbaea3f64761 | 2020-10-02T10:16:43Z | c++ | 2020-10-12T11:12:11Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,449 | ["src/Storages/IndicesDescription.cpp", "src/Storages/ReplaceAliasByExpressionVisitor.cpp", "src/Storages/ReplaceAliasByExpressionVisitor.h", "tests/queries/0_stateless/02911_support_alias_column_in_indices.reference", "tests/queries/0_stateless/02911_support_alias_column_in_indices.sql"] | ALIAS column in secondary index usage. | **Use case**
We have some complex function, which we would like to use in secondary index, and we want to create an alias column as that function in order to have simple and memoriable name to it, which we can use in WHERE clause.
**Describe the solution you'd like**
Clickhouse server version 20.9.2.20
```
CREAT... | https://github.com/ClickHouse/ClickHouse/issues/15449 | https://github.com/ClickHouse/ClickHouse/pull/57220 | d405560f1341523cb47e9ef83b1f7f91869c64bf | 5f5e8633c7878957a2de1fda3aacced9a6ba2a4e | 2020-09-29T14:51:02Z | c++ | 2023-11-28T20:31:34Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,365 | ["src/Core/MultiEnum.h", "src/Databases/DatabaseFactory.cpp", "src/Databases/MySQL/ConnectionMySQLSettings.cpp", "src/Databases/MySQL/ConnectionMySQLSettings.h", "src/Databases/MySQL/DatabaseConnectionMySQL.cpp", "src/Databases/MySQL/DatabaseConnectionMySQL.h", "src/Databases/ya.make", "tests/integration/test_mysql_dat... | Cannot create MySQL database, because... There is no query. | ```
Caught exception while loading metadata: Code: 501, e.displayText() = DB::Exception: Cannot create MySQL database, because Code: 393, e.displayText()
= DB::Exception: There is no query, Stack trace (when copying this message, always include the lines below):
0. /home/milovidov/ClickHouse/build_gcc9/../contrib... | https://github.com/ClickHouse/ClickHouse/issues/15365 | https://github.com/ClickHouse/ClickHouse/pull/15384 | a4b4895b26fc03825efc1ed1fb6ac4bca1c44a25 | c9eeb149fd11b314fa0a21ca302503df6623740d | 2020-09-28T00:32:10Z | c++ | 2020-09-30T08:27:15Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,358 | ["src/Dictionaries/SSDComplexKeyCacheDictionary.cpp", "tests/queries/0_stateless/01280_ssd_complex_key_dictionary.sql"] | SSDComplexKeyCacheDictionary: Assertion `key_columns.size() == dict_struct.key->size()' failed | https://clickhouse-test-reports.s3.yandex.net/15348/34addcf61f653e50e493ff8d94fab015db91fa59/fuzzer/report.html#fail1 | https://github.com/ClickHouse/ClickHouse/issues/15358 | https://github.com/ClickHouse/ClickHouse/pull/16550 | 49d3b65cc276aa743d6964bd420d1eba6bc6cfb0 | 94ae5aed739966798245c03c19d6972150498a11 | 2020-09-27T11:09:12Z | c++ | 2020-10-30T19:45:48Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,349 | ["src/Formats/FormatFactory.cpp", "src/Processors/Formats/Impl/JSONAsStringRowInputFormat.cpp", "src/Processors/Formats/Impl/RawBLOBRowInputFormat.cpp", "src/Processors/Formats/Impl/RawBLOBRowInputFormat.h", "src/Processors/Formats/Impl/RawBLOBRowOutputFormat.cpp", "src/Processors/Formats/Impl/RawBLOBRowOutputFormat.h"... | Input format RawBLOB | **Use case**
Import binary data as a single row single column of String or similar type.
It will just read all input as a single value.
Loading large blobs as well as loading data by single rows are typical anipatterns in ClickHouse.
But sometimes it is needed. | https://github.com/ClickHouse/ClickHouse/issues/15349 | https://github.com/ClickHouse/ClickHouse/pull/15364 | 3e99ca797b0e5a737a631e1dd95f65ea5f94d881 | 9f944424cf6d0c5d231ff25d6e877000e3154e26 | 2020-09-26T23:13:28Z | c++ | 2020-09-29T22:14:40Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,313 | ["src/Functions/FunctionDateOrDateTimeToSomething.h", "tests/queries/0_stateless/00921_datetime64_compatibility.reference", "tests/queries/0_stateless/01472_toStartOfInterval_disallow_empty_tz_field.sql"] | toStartOfDay(yesterday()) Function toStartOfDay supports a 2nd argument (optional) that must be non-empty | ```
SELECT toStartOfDay(yesterday())
Received exception from server (version 20.10.1):
Code: 43. DB::Exception: Received from localhost:9000. DB::Exception: Function toStartOfDay supports a 2nd argument (optional) that must be non-empty and be a valid time zone.
SELECT toStartOfDay(today())
Received ex... | https://github.com/ClickHouse/ClickHouse/issues/15313 | https://github.com/ClickHouse/ClickHouse/pull/15319 | fd24654ca450eab6ec925676d1e309efda2585de | 6f3aab8f09576194161c3bd57a0baa06356f74a5 | 2020-09-25T15:56:52Z | c++ | 2020-10-03T14:02:57Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,310 | ["src/Interpreters/NullableUtils.cpp", "src/Interpreters/NullableUtils.h", "src/Interpreters/Set.cpp", "src/Interpreters/Set.h", "tests/queries/0_stateless/01558_transform_null_in.reference", "tests/queries/0_stateless/01558_transform_null_in.sql"] | Wrong results of query with setting transform_null_in=1. | **Describe the bug**
Setting `transform_null_in` works incorrectly with `IN` operator over tuples.
**How to reproduce**
1.
```
CREATE TABLE null_in_1 (u UInt32, n Nullable(UInt32)) ENGINE = Memory;
INSERT INTO null_in_1 VALUES (1, NULL), (2, 2), (3, NULL), (4, 4), (5, NULL);
```
```
SET transform_null_in =... | https://github.com/ClickHouse/ClickHouse/issues/15310 | https://github.com/ClickHouse/ClickHouse/pull/16722 | 0da112744065125da732f3f22afdce627001c22d | dd83a358423bda14e2671fd0a819965d742052dd | 2020-09-25T14:55:22Z | c++ | 2020-11-06T09:39:57Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,268 | ["programs/client/Suggest.cpp", "programs/format/CMakeLists.txt", "programs/format/Format.cpp", "src/Common/BitHelpers.h", "src/Common/StringUtils/StringUtils.h", "src/Parsers/obfuscateQueries.cpp", "src/Parsers/obfuscateQueries.h", "src/Parsers/ya.make", "tests/queries/0_stateless/01508_query_obfuscator.reference", "t... | Query obfuscator | **Use case**
A friend wants to show me a set of queries, but is afraid to reveal the names of columns (domain area) and the values of constants.
**Describe the solution you'd like**
A simple ad-hoc solution that will be mostly acceptable.
Use Lexer to tokenize query and replace tokens. Use a list of english nou... | https://github.com/ClickHouse/ClickHouse/issues/15268 | https://github.com/ClickHouse/ClickHouse/pull/15321 | df6221f7bf96368059cea20a2a8a23cb9c7f7598 | bbbe51033dfd5b8c3d54e168475ca707ac7ec0b4 | 2020-09-25T03:31:35Z | c++ | 2020-09-26T16:43:36Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,235 | ["programs/copier/ClusterCopier.cpp", "tests/integration/test_cluster_copier/task_non_partitioned_table.xml", "tests/integration/test_cluster_copier/test.py"] | 20.6.6.7 clickhouse-copier segfault | ```
2020.09.24 13:54:06.581506 [ 17189 ] {} <Debug> StorageDistributed (.read_shard_0.destination_cluster.dwh._dim_customer_local): Auto-increment is 0
2020.09.24 13:54:06.581537 [ 17192 ] {} <Debug> StorageDistributed (.read_shard_3.destination_cluster.dwh._dim_customer_local): Auto-increment is 0
2020.09.24 13:54:... | https://github.com/ClickHouse/ClickHouse/issues/15235 | https://github.com/ClickHouse/ClickHouse/pull/17248 | edce1e636e1b73488a620a27a3b0c2a8a14d9945 | 27acf6462f1a087e2ccc274a86a1489698be72a6 | 2020-09-24T14:50:49Z | c++ | 2020-11-25T11:31:59Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,228 | ["src/Storages/StorageMerge.cpp", "tests/queries/0_stateless/01483_merge_table_join_and_group_by.reference", "tests/queries/0_stateless/01483_merge_table_join_and_group_by.sql"] | Merge table 'Unknown identifier' in GROUP BY for joined column | **How to reproduce**
Clickhouse server version 20.3.17
```
CREATE TABLE table_2(key UInt32, ID UInt32) ENGINE = MergeTree PARTITION BY tuple() ORDER BY key;
CREATE TABLE merge_table (key UInt32) ENGINE=Merge(default,'^table');
CREATE TABLE table (key UInt32) ENGINE=MergeTree PARTITION BY tuple() ORDER BY key;}
... | https://github.com/ClickHouse/ClickHouse/issues/15228 | https://github.com/ClickHouse/ClickHouse/pull/15242 | aa43e3d5db0675f38da5c023981771b5177f177a | 0ac18a382ffb00358e1da53132c8772c80ba0bf9 | 2020-09-24T10:56:05Z | c++ | 2020-09-30T20:11:27Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,206 | ["src/Core/Settings.h", "src/Storages/AlterCommands.cpp", "src/Storages/StorageMaterializedView.cpp", "tests/integration/test_replicated_database/test.py", "tests/queries/0_stateless/02888_obsolete_settings.reference", "tests/queries/0_stateless/02931_alter_materialized_view_query_inconsistent.reference", "tests/querie... | ALTER MV MODIFY QUERY changes MV query but not columns list. | ```
CREATE TABLE src(v UInt64) ENGINE = Null;
CREATE TABLE dest(v UInt64) Engine = MergeTree() ORDER BY v;
CREATE MATERIALIZED VIEW pipe TO dest AS SELECT v FROM src;
ALTER TABLE dest ADD COLUMN v2 UInt64;
SET allow_experimental_alter_materialized_view_structure = 1;
ALTER TABLE pipe add column v2 Int64, MODI... | https://github.com/ClickHouse/ClickHouse/issues/15206 | https://github.com/ClickHouse/ClickHouse/pull/57311 | e664e66a9a5532bee7ff0533348b041fc2be556f | fb98b212c5ba614fc8f3d8308f4cade183bc7c26 | 2020-09-23T20:12:03Z | c++ | 2023-12-01T11:18:43Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,187 | ["src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp", "src/Interpreters/MySQL/tests/gtest_create_rewritten.cpp"] | MaterializeMySQL Code: 46. DB::Exception: Received from localhost:9000. DB::Exception: Unknown function task_id | **Describe the bug**
version: 20.10.1.4699
I got this issue when access table after MaterializeMySQL database created , and found some tables not synchronized to CH from MySQL
**How to reproduce**
CREATE DATABASE credit_ga ENGINE = MaterializeMySQL('192.168.1.123:3306', 'credit_ga', 'root', '123456');
test-1-118.r... | https://github.com/ClickHouse/ClickHouse/issues/15187 | https://github.com/ClickHouse/ClickHouse/pull/17944 | 5f78280aec51a375827eebfcc7c8a2a91efeb004 | 60aef3d5291bed69947bba7c82e12f5fcd85e7b4 | 2020-09-23T09:38:51Z | c++ | 2020-12-10T16:42:38Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,168 | ["src/Storages/MergeTree/MergeTreeDataSelectExecutor.cpp"] | confusing message "Selected n parts by date", | `Selected 13 parts by date, 13 parts by key, 26 marks by primary key .... `
This message is confusing for new users.
I suggest to replace it with
`Selected 13 parts by partition key, 13 parts by primary key, 26 marks by primary key...` | https://github.com/ClickHouse/ClickHouse/issues/15168 | https://github.com/ClickHouse/ClickHouse/pull/15169 | 88dc3126ad9f47b3f2406085994d4fa1547d4256 | 88f01954d9b5c3f5836f711ad22881f6b51e0848 | 2020-09-22T19:27:17Z | c++ | 2020-09-22T23:03:05Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 15,117 | ["docs/en/engines/table-engines/special/buffer.md", "docs/ru/engines/table-engines/special/buffer.md"] | ALTER TABLE ADD COLUMN on Buffer table breaks block structure | **Describe the bug**
INSERT fails after adding a column to a buffer table.
FYI SELECT works.
**How to reproduce**
* ClickHouse server version 20.8.3.18 Debian official build. Error message showed version 20.8.2.
* `CREATE TABLE` statement
```
CREATE TABLE t_local (timestamp DateTime)
ENGINE = MergeTree PARTI... | https://github.com/ClickHouse/ClickHouse/issues/15117 | https://github.com/ClickHouse/ClickHouse/pull/27786 | 53d7842877e6f5a77820540545aa0e7ebfbf3ba9 | 29ff255601e06af614ba988fadc289969709182d | 2020-09-22T05:20:40Z | c++ | 2021-08-18T11:41:09Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,894 | ["src/Databases/MySQL/MaterializeMetadata.cpp"] | MaterializeMySQL run error | I have created MaterializeMySQL with：
CREATE DATABASE dmp_idm ENGINE = MaterializeMySQL('xxx:3307', 'dmp_idm', 'root', 'xxx');
====================
my.cnf：
gtid_mode=on
enforce_gtid_consistency=true
binlog_format=ROW
log-bin=mysql-bin
===================
see the log：
tail -100f clickhouse-server.err.log
202... | https://github.com/ClickHouse/ClickHouse/issues/14894 | https://github.com/ClickHouse/ClickHouse/pull/14898 | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | a76d8fb96b99b35b07658114f5f813f647515d96 | 2020-09-17T02:47:07Z | c++ | 2020-09-17T16:18:10Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,865 | ["src/Common/renameat2.cpp", "src/Common/renameat2.h", "src/Databases/DatabaseAtomic.cpp"] | v20.8 cannot create system.query_log when use docker volumes in /var/lib/clcikhouse | **Describe the bug**
System.query_log doesn't exist
It is not because of log_query setting
I found that there was a problem when query_log table initialization
My ClickHouse server version is **20.8.2.3**
**How to reproduce**
> First start a docker sever instance (/var/data/clickhouse is an empty local director... | https://github.com/ClickHouse/ClickHouse/issues/14865 | https://github.com/ClickHouse/ClickHouse/pull/15024 | 5e56f14d5f854066b2fb8de0431c1271e5a9a096 | e29c4c3cc47ab2a6c4516486c1b77d57e7d42643 | 2020-09-16T05:28:33Z | c++ | 2020-09-21T18:08:17Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,840 | ["programs/server/Server.cpp", "src/Common/ThreadStatus.cpp", "src/Functions/trap.cpp"] | Try capturing stack overflow errors? | https://rethinkdb.com/blog/handling-stack-overflow-on-custom-stacks/
https://barrgroup.com/embedded-systems/how-to/prevent-detect-stack-overflow
etc. | https://github.com/ClickHouse/ClickHouse/issues/14840 | https://github.com/ClickHouse/ClickHouse/pull/16346 | dd78c9dc75ad684b4cad458a5e87f3e28d3ba775 | e9d97160f4431e5b460ca77c1851146d24981791 | 2020-09-15T09:44:30Z | c++ | 2020-12-17T19:28:22Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,835 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | MaterializedMySQL Packet payload is not fully read. Stopped after 7372 bytes, while 693 bytes are in buffer | MySQL INSERT INTO :
table: cleanout_asin_info_jp
table count :
select count(1) from cleanout_asin_info_jp
10308
execution sql:
insert into cleanout_asin_info_jp
(asin
,product_title
,provide
,provide_id
,product_path
,img1
,img2
,img3
,img4
,img5
,currency
,list_price
,sale_price
,price
,deal... | https://github.com/ClickHouse/ClickHouse/issues/14835 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-09-15T08:45:09Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,829 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | MaterializeMySQL count() result is incorrect | mysql have table t(a Int, b Int), 2 records: (1,1) and (2, 2), then in ck count
`select count(1) from ckdb.t ` -- 2, that's ok.
then, mysql delete (2,2) and ck count
`select count(1) from ckdb.t ` -- still 2, that's not correct . | https://github.com/ClickHouse/ClickHouse/issues/14829 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-09-15T02:31:49Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,814 | ["programs/server/Server.cpp", "src/Common/ThreadPool.cpp"] | Clickhouse gets stuck talking to Zookeeper at startup | We are seeing an issue where Clickhouse gets stuck at start up, seemingly while talking to Zookeeper. It can start perfectly fine in a single node mode. Trace logs at startup:
```
Processing configuration file '/etc/clickhouse-server/config.xml'.
Merging configuration file '/etc/clickhouse-server/conf.d/config.xml... | https://github.com/ClickHouse/ClickHouse/issues/14814 | https://github.com/ClickHouse/ClickHouse/pull/14843 | e97c9b16a7105841a31aaf31fa6b5398c7cf6443 | 478c7309d45abe861d3d0b7d2c4f88006843c776 | 2020-09-14T17:43:07Z | c++ | 2020-09-22T10:44:39Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,795 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | done MaterializeMySQL，however clickhouse server abort，The error log is as follows | 2020.09.14 15:51:41.314157 [ 4218 ] {} <Fatal> BaseDaemon: ########################################
2020.09.14 15:51:41.314215 [ 4218 ] {} <Fatal> BaseDaemon: (version 20.9.1.4571 (official build), no build id) (from thread 9653) (no query) Received signal Segmentation fault (11)
2020.09.14 15:51:41.314247 [ 4218 ] {... | https://github.com/ClickHouse/ClickHouse/issues/14795 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-09-14T10:11:07Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,786 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | MaterializeMySQLSyncThread: Code: 32, e.displayText() = DB::Exception: Attempt to read after eof | **Describe the bug**
The bug may not be reproduced on each platform.
**How to reproduce**
* Set up replication relationship between MySQL and ClickHouse
* When data copy has completed and after a while, stop ClickHouse service
* Wait for 0.5 hour, start ClickHouse service, you will get odd error, may different f... | https://github.com/ClickHouse/ClickHouse/issues/14786 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-09-14T07:02:28Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,781 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | MaterializeMySQL Data inconsistency between MySQL and Clickhouse | **Describe the bug**
mysql:5.7.31
clickhouse:20.10.1.4635
I found data inconsistency between MySQL and Clickhouse when I execute update in MySQL with one transaction with 439129 rows
**How to reproduce**
step1:
I check that the amount of data is consistent between MySQL and Clickhouse
mysql> select count... | https://github.com/ClickHouse/ClickHouse/issues/14781 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-09-14T01:59:35Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,778 | ["src/Functions/array/arrayCompact.cpp", "tests/queries/0_stateless/01020_function_array_compact.sql", "tests/queries/0_stateless/01025_array_compact_generic.reference", "tests/queries/0_stateless/01025_array_compact_generic.sql"] | arrayCompact for array with tuples | Currently arrayCompact doesn't work with tuples like other array functions arraySort or arrayFilter.
Please consider adding such functionality to arrayCompact.
We need something like this... SELECT arrayCompact( (x,y) -> y, arr1, arr2) AS v
Current behavior:
`SELECT
[('a', 1), ('a', 2), ('c', 3), ('a', 2)] A... | https://github.com/ClickHouse/ClickHouse/issues/14778 | https://github.com/ClickHouse/ClickHouse/pull/34795 | aea7bfb59aa23432b7eb6f69c4ce158c40f65c11 | 7d01516202152c8d60d4fed6b72dad67357d337f | 2020-09-13T21:20:15Z | c++ | 2022-03-03T18:25:43Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,677 | ["base/common/throwError.h", "base/common/types.h", "base/common/wide_integer.h", "base/common/wide_integer_impl.h", "base/common/wide_integer_to_string.h", "src/IO/WriteHelpers.h", "tests/queries/0_stateless/01475_fix_bigint_shift.reference", "tests/queries/0_stateless/01475_fix_bigint_shift.sql"] | (unreleased) debug assertion in some arithmetic operations on UInt256 | `SELECT bitShiftLeft(toInt256(-2), number)`
`shift left for negative lhsbers is underfined!`
See https://clickhouse-test-reports.s3.yandex.net/14525/44726c37c3003ec8112dbf32efa350bd595163b3/fuzzer/report.html#fail1 | https://github.com/ClickHouse/ClickHouse/issues/14677 | https://github.com/ClickHouse/ClickHouse/pull/14697 | 3113aa6cfefbf5eee6de6541ffd1f20596f8f8d2 | d274125c74c4784b461e938a92c0afd2cb2e9b41 | 2020-09-10T03:06:54Z | c++ | 2020-09-14T11:56:43Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,648 | ["src/Functions/FunctionUnixTimestamp64.h", "tests/queries/0_stateless/01277_fromUnixTimestamp64.reference", "tests/queries/0_stateless/01277_fromUnixTimestamp64.sql"] | fromUnixTimestamp64 functions expect Int64 and not UInt64 | SELECT toYYYYMMDD(fromUnixTimestamp64Micro(1599672041963889))
Received exception from server (version 20.9.1):
Code: 43. DB::Exception: Received from localhost:9000.
DB::Exception: Illegal type of argument #0 'value' of function fromUnixTimestamp64Micro, expected Int64, got UInt64. | https://github.com/ClickHouse/ClickHouse/issues/14648 | https://github.com/ClickHouse/ClickHouse/pull/33505 | 8c9266b24c0bb434fd144ca4dad9744109b542b4 | 5a4ad04ae6c182e8bc6e8bacf12409b167567652 | 2020-09-09T17:25:30Z | c++ | 2022-01-27T19:54:53Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,614 | ["src/Storages/tests/gtest_transform_query_for_external_database.cpp", "src/Storages/transformQueryForExternalDatabase.cpp", "tests/integration/test_mysql_database_engine/test.py"] | Joining MySQL table and MergeTree table causes 'Missing columns' | **Describe the bug**
If you make a query to MySQL Engine Table with joined MergeTree Engine Table, you use any columns of the latter.
**How to reproduce**
* ClickHouse server 20.8.2
* ClickHouse client version 20.8.2.3 (official build).
```sql
CREATE TABLE mysql_table
(
`id` UInt64,
`name` Nullab... | https://github.com/ClickHouse/ClickHouse/issues/14614 | https://github.com/ClickHouse/ClickHouse/pull/21640 | aa3e8fc4f01a80ef93996d19fa17469a825f8c37 | 0171ab95fa922e79511f2be2b05ec6af662fbb37 | 2020-09-09T09:07:01Z | c++ | 2021-03-29T13:14:10Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,613 | ["docs/en/sql-reference/functions/ext-dict-functions.md"] | dictGet gives error External dictionary not found | Select from `system.dictionaries` shows my external odbc-sourced dictionary with status `LOADED`.
I can SELECT from that dictionary successfully.
However, running `dictGet()` on that dictionary says it was not found.
> Code: 36, e.displayText() = DB::Exception: external dictionary 'my_d' not found (version 20.... | https://github.com/ClickHouse/ClickHouse/issues/14613 | https://github.com/ClickHouse/ClickHouse/pull/14620 | cdb72add3534f33912bf5a77612aae7e1d9073be | 9acb8fe196b1b04a20d1f001213e5cc8ad66b487 | 2020-09-09T08:25:15Z | c++ | 2020-09-09T16:59:58Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,589 | ["src/Common/MemoryTracker.cpp", "src/Common/ProfileEvents.cpp"] | New "Query Memory Limit Exceeded" event in system.events | Would love to have an event that tracks the number of times this happens so that we can adjust resources accordingly.
Example log:
```
Memory limit (for query) exceeded: would use 3.47 GiB (attempt to allocate chunk of 1073758016 bytes), maximum: 2.79 GiB
``` | https://github.com/ClickHouse/ClickHouse/issues/14589 | https://github.com/ClickHouse/ClickHouse/pull/14647 | 92b746116a9661523a7a8e0281e77149b70d0bae | e65e29d5376923deaac0d0b00643d33fd0c21dfb | 2020-09-08T15:58:19Z | c++ | 2020-09-10T03:12:39Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,571 | ["src/Storages/Distributed/DistributedBlockOutputStream.cpp", "src/Storages/StorageDistributed.cpp", "tests/queries/0_stateless/01639_distributed_sync_insert_zero_rows.reference", "tests/queries/0_stateless/01639_distributed_sync_insert_zero_rows.sql", "tests/queries/0_stateless/arcadia_skip_list.txt"] | INSERT to Distributed sent to a shard with zero weight | No rows are written, though. Still, this may be problematic when this insert fails due to the `too many parts` error, which leads to the parent insert also failing. I haven't reproduced this failure exactly (complicated to do on localhost), but seen it happen for a ClickHouse user in Yandex.
Apparently this only hap... | https://github.com/ClickHouse/ClickHouse/issues/14571 | https://github.com/ClickHouse/ClickHouse/pull/18775 | fdff71a36fd4d2f051b303659c80914c78e9f74a | 417e685830d424d99edb5f87d677d69c1cbc991a | 2020-09-08T05:10:52Z | c++ | 2021-01-06T17:06:35Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,560 | ["src/Common/MemoryTracker.cpp", "src/Common/MemoryTracker.h", "src/Interpreters/SystemLog.h", "src/Interpreters/executeQuery.cpp", "src/Storages/MergeTree/IMergeTreeDataPart.cpp", "src/Storages/MergeTree/MergeTreeDataPartWriterOnDisk.cpp", "src/Storages/MergeTree/MergeTreeMarksLoader.cpp", "src/Storages/StorageBuffer.... | A query from `generateRandom` function may lead to OOM | **Describe the bug**
`SELECT i FROM generateRandom('i Array(Int8)', 1048575, 10, 1048577) LIMIT 1048575`
Memory limit should be respected. | https://github.com/ClickHouse/ClickHouse/issues/14560 | https://github.com/ClickHouse/ClickHouse/pull/16206 | c53f59decebc38c5003d66167ffd12a9236746f2 | 0b7430dda1409c0d9d71eceab2d9ce7abf6693e0 | 2020-09-07T22:20:23Z | c++ | 2020-10-21T11:34:22Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,531 | ["src/Storages/MergeTree/MergeTreeBlockReadUtils.cpp", "tests/queries/0_stateless/01084_defaults_on_aliases.reference", "tests/queries/0_stateless/01084_defaults_on_aliases.sql", "tests/queries/0_stateless/01497_alias_on_default_array.reference", "tests/queries/0_stateless/01497_alias_on_default_array.sql"] | 'Missing columns' when column DEFAULT value refers to ALIAS columns | ```sql
CREATE TABLE test_new_col
(
`_csv` String,
`csv_as_array` Array(String) ALIAS splitByChar(';',_csv),
`csv_col1` String DEFAULT csv_as_array[1],
`csv_col2` String DEFAULT csv_as_array[2]
)
ENGINE = MergeTree
ORDER BY tuple();
INSERT INTO test_new_col (_csv) values
('a1;b1;c1;... | https://github.com/ClickHouse/ClickHouse/issues/14531 | https://github.com/ClickHouse/ClickHouse/pull/14845 | a67986791ffa9f8b1942f7178445de880f3581ac | 73544a37819567b3fb868d7e071da82d51c3bb06 | 2020-09-07T08:04:53Z | c++ | 2020-09-17T07:02:39Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,489 | ["programs/odbc-bridge/ODBCBridge.cpp", "src/Common/XDBCBridgeHelper.h", "src/Dictionaries/ExternalQueryBuilder.h", "src/IO/ReadWriteBufferFromHTTP.h"] | "clickhouse-odbc-bridge is not responding" during dictionary initialization: program startup sequence problems | docker version: 1.13.1
clickhouse version: 20.3.11.97
system: centos7
The **/docker-entrypoint-initdb.d/** path contains the sql file, and the sql contains the **odbc Dictionary ENGINE**; when the **_entrypoint.sh_** script is executed, there is a certain probability that the dictionary table creation fails: `Cod... | https://github.com/ClickHouse/ClickHouse/issues/14489 | https://github.com/ClickHouse/ClickHouse/pull/18278 | 850d584d3f0afd50353f2612bbc649a08dbc0979 | fa68af02d7863eaf62635feb51ebaae4433994c0 | 2020-09-04T09:12:54Z | c++ | 2020-12-21T07:18:04Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,476 | ["src/DataTypes/IDataType.h", "src/Functions/FunctionsConversion.h", "tests/queries/0_stateless/01837_cast_to_array_from_empty_array.reference", "tests/queries/0_stateless/01837_cast_to_array_from_empty_array.sql"] | Can't create VIEW from select query | **Describe the unexpected behaviour**
Expected create view from any "select" query, but it doesn't work.
But select-query is correct and working
version 20.4.5.36
**How to reproduce**
CREATE VIEW tempView AS
WITH(SELECT groupArray(a) FROM (SELECT [1, 2] AS a)) AS aaa
SELECT aaa
**Error message and/or stac... | https://github.com/ClickHouse/ClickHouse/issues/14476 | https://github.com/ClickHouse/ClickHouse/pull/23456 | a2170b7818013691691bb3814f3e54f79a296b61 | 8134c270a2f468deaa6534be8765588cd61b1076 | 2020-09-04T07:51:32Z | c++ | 2021-04-22T05:41:35Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,447 | ["src/Common/Macros.cpp", "src/Storages/MergeTree/registerStorageMergeTree.cpp"] | Misleading exception message on creating a table with double-quoted arguments | **Describe the bug**
A clear and concise description of what works not as it is supposed to.
```
CREATE TABLE table_repl
(
number UInt32
)
ENGINE = ReplicatedMergeTree("/clickhouse/{cluster}/tables/{shard}/table_repl", "{replica}")
PARTITION BY intDiv(number, 1000)
ORDER BY number
```
yields an Excep... | https://github.com/ClickHouse/ClickHouse/issues/14447 | https://github.com/ClickHouse/ClickHouse/pull/14704 | e73ca17ad3f689d2ae5ee1ed8a7b11f7b7e113ac | 1f47b1ff6bb1f6f266aa3482466420a4c355d7f6 | 2020-09-03T16:55:11Z | c++ | 2020-09-11T09:45:32Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,441 | ["src/Databases/DatabaseFactory.cpp", "src/Databases/MySQL/DatabaseMySQL.cpp", "src/Databases/MySQL/DatabaseMySQL.h", "tests/integration/test_mysql_database_engine/test.py"] | ClickHouse fails to start with 'Cannot create MySQL database' when MySQL is not available | I had one mysql engine connection in clickhouse.
I shutdown mysql aws RDS instance.
I updated clickhouse using apt get.
Then I restarted clickhouse. Clickhouse wont start.
`ClickHouse client version 20.7.2.30 (official build).`
```
No LSB modules are available.
Distributor ID: Debian
Description: Debian ... | https://github.com/ClickHouse/ClickHouse/issues/14441 | https://github.com/ClickHouse/ClickHouse/pull/32802 | e929175dae5cdab3536826abeb45ec35827d5043 | db01e94f6608ca0f42fc8245a57559dd0e37a32d | 2020-09-03T12:38:35Z | c++ | 2021-12-17T05:57:15Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,314 | ["src/Dictionaries/ClickHouseDictionarySource.cpp", "src/Dictionaries/ClickHouseDictionarySource.h", "tests/queries/0_stateless/01780_clickhouse_dictionary_source_loop.reference", "tests/queries/0_stateless/01780_clickhouse_dictionary_source_loop.sql", "tests/queries/skip_list.json"] | It is possible to create a dictionary that looks at itself. Query from this dictionary will hang. | ```
milovidov-desktop :) CREATE DICTIONARY dict
:-] (
:-] k1 UInt64,
:-] k2 UInt8,
:-] value String
:-] )
:-] PRIMARY KEY k1, k2
:-] SOURCE(CLICKHOUSE(HOST 'localhost' PORT 9000 USER 'default' TABLE 'dict'))
:-] LIFETIME(1000)
:-] LAYOUT(COMPLEX_KEY_HASHED());
CREATE DICTIONARY dict
(
`k1... | https://github.com/ClickHouse/ClickHouse/issues/14314 | https://github.com/ClickHouse/ClickHouse/pull/22479 | 751222743191c243f7f59cce08e6e9a8914f579b | 0bfb429c42bc84fa20c9706f99981e44cde07473 | 2020-08-31T23:01:34Z | c++ | 2021-04-04T10:29:17Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,298 | ["debian/clickhouse-server.init"] | Centos/8: sysV vs systemd mess. Service status is 'stopped' although it is running | **Description**
Whenever I run `sudo service clickhouse-server status` I get `clickhouse-server service is stopped`, although the server is actually running.
I can verify that it is running with the following:
```
$ ps -ef | grep clickhouse
clickho+ 2646 1 0 20:00 ? 00:00:01 clickhouse-server ... | https://github.com/ClickHouse/ClickHouse/issues/14298 | https://github.com/ClickHouse/ClickHouse/pull/25921 | edce77803f07a29efd32190bc7c3053325894113 | 38d1ce310d9ff824fc38143ab362460b2b83ab7d | 2020-08-31T20:20:20Z | c++ | 2021-07-03T11:50:05Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,275 | ["src/Functions/ignore.cpp", "tests/queries/0_stateless/01652_ignore_and_low_cardinality.reference", "tests/queries/0_stateless/01652_ignore_and_low_cardinality.sql"] | Logical error: 'Expected single dictionary argument for function.' | ```
set allow_suspicious_low_cardinality_types = 1;
CREATE TABLE lc_null_int8_defnull (val LowCardinality(Nullable(Int8)) DEFAULT NULL) ENGINE = MergeTree order by tuple();
SELECT ignore(10, ignore(*), ignore(ignore(-2, 1025, *)), NULL, *), * FROM lc_null_int8_defnull AS values;
2020.08.31 16:54:42.486431 [ 1... | https://github.com/ClickHouse/ClickHouse/issues/14275 | https://github.com/ClickHouse/ClickHouse/pull/19016 | ac1c17ac76df709b57a5e379b3c47a8956885ea8 | d8b9278193405512bc96bd74d3f30d281c481bb9 | 2020-08-31T13:56:59Z | c++ | 2021-01-14T13:50:54Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,251 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/IO/MySQLBinlogEventReadBuffer.cpp", "src/IO/MySQLBinlogEventReadBuffer.h", "src/IO/tests/gtest_mysql_binlog_event_read_buffer.cpp", "src/IO/ya.make"] | MaterializeMySQLSyncThread DB::Exception: Packet payload is not fully read | **Describe the bug**
I got below error message when data replication is in progress, after then data replication has stopped and the DB is not accessible (detach and attach not work), I'm wondering what does the error message mean?
```
2020.08.30 11:43:28.441220 [ 105102 ] {} <Error> MaterializeMySQLSyncThread: Co... | https://github.com/ClickHouse/ClickHouse/issues/14251 | https://github.com/ClickHouse/ClickHouse/pull/14852 | 652163c07c62bdd8724e109160b03016551b6c1a | 5a890d73777ed1be4da46dc30df4f2c03b53a9be | 2020-08-30T03:55:09Z | c++ | 2020-09-17T16:17:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,235 | ["src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h"] | MaterializeMySQL unable to handle 'COMMIT' log may cause synced DB inaccessible |
It seems MaterializeMySQL not able to handle below bin log events, hence cause exception, the problem is high frequency occur of the exception may cause MaterializeMySQLSyncThread crash (I guess, the phenomenon is the synced DB in ClickHouse is not accessible)
My suggestion is, if such log event is harmless, we ju... | https://github.com/ClickHouse/ClickHouse/issues/14235 | https://github.com/ClickHouse/ClickHouse/pull/14253 | ebbdaf41aa44b8c9a70bc738c1be56dd9a5e0304 | 0586f0d555f7481b394afc55bbb29738cd573a1c | 2020-08-29T08:51:55Z | c++ | 2020-08-31T12:08:34Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,231 | ["src/Databases/MySQL/MaterializeMySQLSyncThread.cpp", "src/Parsers/Lexer.cpp", "tests/queries/0_stateless/01460_allow_dollar_and_number_in_identifier.reference", "tests/queries/0_stateless/01460_allow_dollar_and_number_in_identifier.sql"] | MaterializeMySQL not support number started column name | **Describe the bug**
Table schema:
> mysql> show create table name\G
>
> *************************** 1. row ***************************
> Table: name
> Create Table: CREATE TABLE `name` (
> `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT,
> `username` varchar(40) DEFAULT NULL,
> `1m_10m` small... | https://github.com/ClickHouse/ClickHouse/issues/14231 | https://github.com/ClickHouse/ClickHouse/pull/14232 | bc8765d5ada07f658d302110d6d762a21c10cf53 | 75ca3d217fe0dd6dce7411abdbcb43069a8138d0 | 2020-08-29T01:07:39Z | c++ | 2020-08-31T16:03:04Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,224 | ["src/Interpreters/InterpreterAlterQuery.cpp", "src/Storages/LiveView/StorageLiveView.cpp", "src/Storages/LiveView/StorageLiveView.h", "tests/queries/0_stateless/01463_test_alter_live_view_refresh.reference", "tests/queries/0_stateless/01463_test_alter_live_view_refresh.sql"] | ALTER LIVE VIEW REFRESH throws an exception | **Describe the bug**
Using `ALTER LIVE VIEW view REFRESH` results in an exception.
**How to reproduce**
* Connected to ClickHouse server version 20.8.1 revision 54438
* `CREATE TABLE` statements for all tables involved
```
clicktest :) SHOW CREATE table0
SHOW CREATE TABLE table0
┌─statement───────────────... | https://github.com/ClickHouse/ClickHouse/issues/14224 | https://github.com/ClickHouse/ClickHouse/pull/14320 | 951bce59118538c33192713bc334d7e34b3fe5d7 | 08ed74732e944e7cb6e9fb8ff27709ef9c6ee520 | 2020-08-28T15:24:25Z | c++ | 2020-09-02T01:52:35Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,157 | ["src/Core/ExternalResultDescription.cpp", "src/Core/ExternalResultDescription.h", "src/Core/MySQL/MySQLReplication.cpp", "src/Core/MySQL/MySQLReplication.h", "src/Databases/MySQL/MaterializeMySQLSyncThread.cpp", "src/Formats/MySQLBlockInputStream.cpp", "tests/integration/test_materialize_mysql_database/materialize_wit... | DB::Exception: Unsupported type Decimal(13, 4) when using MaterializeMySQL | It seems MaterializeMySQL doesn't support Decimal data type when doing replication. | https://github.com/ClickHouse/ClickHouse/issues/14157 | https://github.com/ClickHouse/ClickHouse/pull/14535 | c1402d62db751f502e118b56f06a9730798652a1 | 6e0bdaf46da2c939c45d360a442ce739db63ba94 | 2020-08-27T07:08:18Z | c++ | 2020-09-19T11:05:32Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,156 | ["docker/client/Dockerfile", "docker/server/Dockerfile", "docker/server/Dockerfile.alpine"] | orc requires tzdata: 'orc::getLocalTimezone(): Can't open /etc/localtime." | when i use "SELECT *
FROM hdfs()" with version 20.6 .but it works well when use version 19.14.
Code: 1001. DB::Exception: Received from hadoop:9000. DB::Exception: N3orc13TimezoneErrorE: Can't open /etc/localtime.
I am searching for a long time on net. But no use. Please help or try to give some ideas how to ac... | https://github.com/ClickHouse/ClickHouse/issues/14156 | https://github.com/ClickHouse/ClickHouse/pull/22000 | 087be05dfdc044f71d02aabebc5e04690b25e5fd | b6a0f2f4ad8b1dd6734929a2370f9f6fab128c30 | 2020-08-27T05:42:28Z | c++ | 2021-03-24T20:10:54Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,130 | ["src/Storages/Distributed/DirectoryMonitor.cpp", "tests/integration/test_insert_distributed_async_extra_dirs/__init__.py", "tests/integration/test_insert_distributed_async_extra_dirs/configs/remote_servers.xml", "tests/integration/test_insert_distributed_async_extra_dirs/test.py"] | Clickhouse unable to start with unclear error if Distributed table have unexpected folders | ```
create table default.DFA(A Int64) Engine=MergeTree order by tuple();
create table default.DFAD as default.DFA Engine=Distributed(test_shard_localhost, default, DFA)
mkdir /var/lib/clickhouse/data/default/DFAD/shard1_replica1,shard1_replica2
chown -R clickhouse.clickhouse /var/lib/clickhouse/data/default/DFA... | https://github.com/ClickHouse/ClickHouse/issues/14130 | https://github.com/ClickHouse/ClickHouse/pull/20498 | 2c7c5c9604e6f71cecc6d6d534a5431c6409cd16 | 6363d444887ff3e66caeac04c2c0fd3d4d5a39eb | 2020-08-26T19:00:57Z | c++ | 2021-02-17T06:43:11Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,118 | ["src/Functions/FunctionBinaryArithmetic.h", "src/Functions/FunctionUnaryArithmetic.h", "src/Functions/FunctionsComparison.h", "src/Functions/FunctionsLogical.h", "tests/queries/0_stateless/01457_compile_expressions_fuzzer.reference", "tests/queries/0_stateless/01457_compile_expressions_fuzzer.sql"] | Debug assertion with function GREATEST if compile_expressions = 1. | ```
SET compile_expressions = 1
SELECT GREATEST(2,0)
```
| https://github.com/ClickHouse/ClickHouse/issues/14118 | https://github.com/ClickHouse/ClickHouse/pull/14122 | 0f706c01caad8ac83308413ddc019d7c4ee0373d | 67f16d5ae8e5ecfdb989c689134c279f8a9c2fa4 | 2020-08-26T16:32:08Z | c++ | 2020-08-26T23:15:40Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,114 | ["src/Interpreters/MySQL/InterpretersMySQLDDLQuery.cpp", "src/Interpreters/MySQL/tests/gtest_create_rewritten.cpp", "src/Parsers/MySQL/ASTDeclareColumn.cpp"] | experimental MaterializeMySQL in 20.8 cannot synchronize "create table" commands | i use
my steps
1. create a new database ckdb on mysql, then create table t1(a int, primary key(a)); and insert some rows
2. SET allow_experimental_database_materialize_mysql=1; at clickhouse,
3. CREATE DATABASE ckdb ENGINE = MaterializeMySQL('127.0.0.1:3306', 'ckdb', 'root', 'A123b_456');
4. use ckdb and select ... | https://github.com/ClickHouse/ClickHouse/issues/14114 | https://github.com/ClickHouse/ClickHouse/pull/14397 | 8e2fba5be1ec3b5a0c7f8bf34b72913547b19b20 | 3a7181cfcb47b9f54cde1dcb80340009909c20d4 | 2020-08-26T14:47:44Z | c++ | 2020-09-02T20:12:33Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,045 | ["src/Columns/ColumnVector.h", "src/Functions/if.cpp", "tests/queries/0_stateless/01475_mutation_with_if.reference", "tests/queries/0_stateless/01475_mutation_with_if.sql"] | Segmentation fault after upgrade from v20.5.5.74 to v20.6.4.44 | ```
2020.08.25 12:14:14.924784 [ 10386 ] {} <Fatal> BaseDaemon: ########################################
2020.08.25 12:14:14.924879 [ 10386 ] {} <Fatal> BaseDaemon: (version 20.6.4.44 (official build), no build id) (from thread 10231) (no query) Received signal Segmentation fault (11)
2020.08.25 12:14:14.924933 [ 10... | https://github.com/ClickHouse/ClickHouse/issues/14045 | https://github.com/ClickHouse/ClickHouse/pull/14646 | 3e00d64ebf38218a3210b8be42f73858bbb804c4 | 336430d3c27bfcfd7b45d314fea62dbaf66c3852 | 2020-08-25T12:26:58Z | c++ | 2020-09-14T06:51:40Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 14,006 | ["src/Functions/FunctionBase64Conversion.h"] | MemorySanitizer: use-of-uninitialized-value | https://clickhouse-test-reports.s3.yandex.net/13925/0f492917338ba5b20728563e38abc35be67d606c/stress_test_(memory)/stderr.log
MemorySanitizer: use-of-uninitialized-value in DB::FunctionToStringCutToZero::tryExecuteString.
Uninitialized value was created ... in DB::FunctionBase64ConversionDB::Base64Decode::executeImp... | https://github.com/ClickHouse/ClickHouse/issues/14006 | https://github.com/ClickHouse/ClickHouse/pull/15030 | bf81dcbd2ff02945527f19f13a97f8aadbde26b7 | 068e9f372e35a9c0cad84cfe7230de61f5ed2023 | 2020-08-24T14:08:30Z | c++ | 2020-09-20T16:03:28Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,992 | ["src/Interpreters/OptimizeIfWithConstantConditionVisitor.cpp", "tests/queries/0_stateless/01503_if_const_optimization.reference", "tests/queries/0_stateless/01503_if_const_optimization.sql"] | Syntax check fails for function CAST() (found by fuzzer) | **Describe the bug**
ClickHouse is unable to detect syntax error in expression: `SELECT if(CAST(NULL), '2.55', NULL) AS x`, which leads to a failure.
**How to reproduce**
* Reproduces in 20.7, 20.8 version of ClickHouse
* Queries to run that lead to unexpected result
**Expected behavior**
A clear message, ind... | https://github.com/ClickHouse/ClickHouse/issues/13992 | https://github.com/ClickHouse/ClickHouse/pull/15029 | 068e9f372e35a9c0cad84cfe7230de61f5ed2023 | 3f5d7843f6a2f2a4bd284db3bc79fefe15b7ce8f | 2020-08-24T09:52:21Z | c++ | 2020-09-20T16:03:47Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,990 | ["tests/queries/0_stateless/01584_distributed_buffer_cannot_find_column.reference", "tests/queries/0_stateless/01584_distributed_buffer_cannot_find_column.sql", "tests/queries/0_stateless/arcadia_skip_list.txt"] | Code: 8. DB::Exception: Cannot find column xx in source stream | **Describe the bug**
I created a table with engine = buffer and going to flush data to distributed table in shard. All things are done from create tables to insert data. I also select data by basic queries but it failed if I use sum, count and the following error shows:
```
SELECT sum(amount)
FROM realtime.realtime... | https://github.com/ClickHouse/ClickHouse/issues/13990 | https://github.com/ClickHouse/ClickHouse/pull/17298 | 00da5148a105f9306b6d15492090453e96988d39 | 650d20fdeb9db045f96f5ee5abfa046b785a17cd | 2020-08-24T09:05:41Z | c++ | 2020-11-29T14:54:24Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,981 | ["src/Dictionaries/ExternalQueryBuilder.cpp", "src/Dictionaries/SSDComplexKeyCacheDictionary.cpp", "src/Dictionaries/SSDComplexKeyCacheDictionary.h"] | An error in SSD Cache dictionary (found by fuzzer) | https://clickhouse-test-reports.s3.yandex.net/8367/333ec2e496f4fe4addd22d5fa7c5c2a499099c57/fuzzer/fuzzer.log#fail1 | https://github.com/ClickHouse/ClickHouse/issues/13981 | https://github.com/ClickHouse/ClickHouse/pull/14313 | 76aa1d15adcfc9745f730b1294d9378358f18de7 | 7bd31fb3d3b5a2b0d960f0da52e00b829825eb1f | 2020-08-23T21:32:32Z | c++ | 2020-09-02T21:50:24Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,962 | ["src/Functions/FunctionsJSON.h", "tests/queries/0_stateless/01685_json_extract_double_as_float.reference", "tests/queries/0_stateless/01685_json_extract_double_as_float.sql"] | JSONExtract returns 0 for numbers with floating-point for type float / Float32 | **Describe the bug**
JSONExtract returns 0 for numbers with floating-point for type *float / Float32*.
**How to reproduce**
```sql
WITH '{ "v":1.1}' AS raw
SELECT
JSONExtract(raw, 'v', 'float') AS float32_1,
JSONExtract(raw, 'v', 'Float32') AS float32_2,
JSONExtractFloat(raw, 'v') AS float64_... | https://github.com/ClickHouse/ClickHouse/issues/13962 | https://github.com/ClickHouse/ClickHouse/pull/19960 | fb02d5653494e8b45560e3dc5f6f0be18c1dff9c | 695e28079dff59d4eb1798da98899a3b2c3ffa44 | 2020-08-22T08:01:33Z | c++ | 2021-02-02T12:15:37Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,958 | ["src/Columns/ColumnLowCardinality.cpp", "tests/queries/0_stateless/01456_low_cardinality_sorting_bugfix.reference", "tests/queries/0_stateless/01456_low_cardinality_sorting_bugfix.sql"] | Multiple ORDER BY expressions not returning correct order | **Describe the bug**
When using ORDER BY with multiple expressions on a MergeTree table, the ordering is not correct.
**How to reproduce**
` yandex/clickhouse-server:20.5.2.7`
Create the table:
```sql
create table order_test
(
timestamp DateTime64(3),
color LowCardinality(Nullable(String))
)... | https://github.com/ClickHouse/ClickHouse/issues/13958 | https://github.com/ClickHouse/ClickHouse/pull/14223 | 2d33a4029bc71a3ab5127330e8f8f74db1f3a24f | 2a514eae219839940a28d3b7678b9097fc421eff | 2020-08-21T18:35:58Z | c++ | 2020-08-29T15:25:26Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,926 | ["src/Common/UnicodeBar.cpp", "src/Common/UnicodeBar.h", "src/Common/ya.make", "tests/queries/0_stateless/01502_bar_overflow.reference", "tests/queries/0_stateless/01502_bar_overflow.sql"] | It's possible that function `bar` will try to allocate too much memory. | Not a bug (the user will get exception) but triggers assertion in debug build. See:
https://clickhouse-test-reports.s3.yandex.net/13922/dd4b8b96635beecaaa40cd635f56818242b3f2a3/fuzzer/fuzzer.log#fail1 | https://github.com/ClickHouse/ClickHouse/issues/13926 | https://github.com/ClickHouse/ClickHouse/pull/15028 | 3f5d7843f6a2f2a4bd284db3bc79fefe15b7ce8f | 7b35a6a59a52be8ff6d0d3e85869ca7270455f68 | 2020-08-20T17:45:04Z | c++ | 2020-09-20T16:04:15Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,911 | ["docs/en/sql-reference/statements/create/table.md", "src/Interpreters/InterpreterCreateQuery.cpp", "src/Storages/AlterCommands.cpp", "tests/queries/0_stateless/01462_test_codec_on_alias.reference", "tests/queries/0_stateless/01462_test_codec_on_alias.sql"] | CODEC is allowed for ALIAS column | **Describe the bug**
`CODEC` is allowed for `ALIAS` column
**How to reproduce**
``` sql
CREATE TABLE t102
(
`c0` ALIAS c1 CODEC(ZSTD),
`c1` String
)
ENGINE = Memory()
Ok.
DESCRIBE TABLE t102
┌─name─┬─type───┬─default_type─┬─default_expression─┬─comment─┬─codec_expression─┬─ttl_expression─┐
... | https://github.com/ClickHouse/ClickHouse/issues/13911 | https://github.com/ClickHouse/ClickHouse/pull/14263 | 4d96510a294cd498d649051ed85187b9eb7f9484 | e28b477f79a38e8e2b9726f7a94dbd94ff1cce9b | 2020-08-20T10:37:15Z | c++ | 2020-09-01T06:42:53Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,907 | ["tests/queries/0_stateless/02210_toColumnTypeName_toLowCardinality_const.reference", "tests/queries/0_stateless/02210_toColumnTypeName_toLowCardinality_const.sql"] | toColumnTypeName(toLowCardinality(...)) does not work | **Describe the unexpected behaviour**
ClickHouse reports an error on `toColumnTypeName(toLowCardinality(...))`.
**How to reproduce**
```sql
SELECT toColumnTypeName(toLowCardinality(1))
Received exception from server (version 20.7.1):
Code: 44. DB::Exception: Received from localhost:9000. DB::Exception: Cannot... | https://github.com/ClickHouse/ClickHouse/issues/13907 | https://github.com/ClickHouse/ClickHouse/pull/34471 | 3a0e71ca14751a0f43ef99b7a6faa7f4bb1974a7 | 9a757c0ed1704301407c0d587efcc7e852c2bf60 | 2020-08-20T06:11:54Z | c++ | 2022-02-10T10:30:10Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,893 | ["tests/queries/0_stateless/01537_fuzz_count_equal.reference", "tests/queries/0_stateless/01537_fuzz_count_equal.sql"] | Crash with Null and countEqual | ```
SELECT NULL = countEqual(materialize([arrayJoin([NULL, NULL, NULL]), NULL AS x, arrayJoin([255, 1025, NULL, NULL]), arrayJoin([2, 1048576, NULL, NULL])]), materialize(x))
```
```
020.08.19 19:27:31.685853 [ 30223 ] {} <Trace> BaseDaemon: Received signal 11
2020.08.19 19:27:31.686133 [ 16976 ] {} <Fatal> Base... | https://github.com/ClickHouse/ClickHouse/issues/13893 | https://github.com/ClickHouse/ClickHouse/pull/16453 | 6667261b023296054c1811d5d27a5c416e17a299 | 7c4b0e559d123b5e71c1c91c0dc0a24e90ceb9db | 2020-08-19T16:30:34Z | c++ | 2020-10-28T06:26:03Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,871 | ["src/IO/WriteBufferFromS3.cpp", "src/IO/WriteBufferFromS3.h", "src/Storages/StorageS3.cpp", "src/Storages/StorageS3.h", "tests/integration/test_storage_s3/test.py"] | S3 table engine compression doesn't work. | **Describe the bug**
Clickhouse expect last parameter of S3 table engine to be data format, not compression type.
**How to reproduce**
Clickhouse version 20.5.4.40
```
CREATE TABLE test_s3(S_SUPPKEY UInt32, S_NAME String, S_ADDRESS String, S_CITY LowCardina... | https://github.com/ClickHouse/ClickHouse/issues/13871 | https://github.com/ClickHouse/ClickHouse/pull/15376 | 2f95609f98a1c690f81b198b8ec1fe238dd0c6f9 | 9808d0be818e1c764ba11eccf19b3e8d3929ba83 | 2020-08-18T22:18:40Z | c++ | 2020-10-01T01:30:32Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,864 | ["src/Storages/MergeTree/MergeTreeReaderStream.cpp"] | Performance degradation between 20.1 and 20.3 for large number of very short queries with LowCardinality fields | Schema
```
ATTACH TABLE default.test (`col1` UUID, `col2` LowCardinality(String)) ENGINE = MergeTree ORDER BY (col1, col2) SETTINGS index_granularity = 128;
```
Data sample: https://www.dropbox.com/s/untu96ad69a2thl/test_data.tar.gz?dl=0
Query:
```
echo "SELECT col1, col2 FROM test PREWHERE col1 = '042fecec-... | https://github.com/ClickHouse/ClickHouse/issues/13864 | https://github.com/ClickHouse/ClickHouse/pull/14129 | 65a69ff6ad674df1a2d436c07819b7bd90198089 | 9baa0fbf816ba498c870672b82c13caa53d3f573 | 2020-08-18T16:27:47Z | c++ | 2020-08-27T12:07:19Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,857 | ["src/Functions/array/arrayCompact.cpp", "tests/queries/0_stateless/01025_array_compact_generic.reference", "tests/queries/0_stateless/01025_array_compact_generic.sql"] | arrayCompact UB for nan, nan + Null | in some cases nan === nan
```
SELECT arrayCompact([1, 1, nan, nan, 2, 3, 3, 3]) AS x
┌─x───────────────┐
│ [1,nan,nan,2,3] │
└─────────────────┘
SELECT arrayCompact([1, 1, nan, nan, 2, 3, 3, inf, inf, 3]) AS x
┌─x─────────────────────┐
│ [1,nan,nan,2,3,inf,3] │
└───────────────────────┘
SELECT array... | https://github.com/ClickHouse/ClickHouse/issues/13857 | https://github.com/ClickHouse/ClickHouse/pull/13868 | 663ff938c208bdb97183d357f95d42891df00c0b | 6d72777b6e9f9dc83b0a9cd2b26ba5fabecb6b64 | 2020-08-18T13:07:58Z | c++ | 2020-08-19T08:53:58Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,845 | ["tests/queries/0_stateless/01765_tehran_dst.reference", "tests/queries/0_stateless/01765_tehran_dst.sql"] | data not from oracle in date 2020-03-21 (Daylight Saving Time) | when i try to import data from oracle in 2020-03-21 , 30 % of records import and others ignored.
my clickhouse DateTime timezone is Asia-Tehran | https://github.com/ClickHouse/ClickHouse/issues/13845 | https://github.com/ClickHouse/ClickHouse/pull/21995 | 7a48ce6b794b1259898d919b24ae0abbc25cac06 | 7c0dba1b0ce30ff216f82fb1fa87b1d11b88b5d6 | 2020-08-18T01:45:46Z | c++ | 2021-03-23T17:04:13Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,832 | ["src/Interpreters/ExternalLoader.cpp", "tests/integration/test_catboost_model_first_evaluate/__init__.py", "tests/integration/test_catboost_model_first_evaluate/config/models_config.xml", "tests/integration/test_catboost_model_first_evaluate/model/libcatboostmodel.so", "tests/integration/test_catboost_model_first_eval... | First modelEvaluate() call on a newly created CatBoost model deadlocks forever | Hello,
so I'm working to integrate CatBoost model with our ClickHouse cluster. It appears that, whenever we create a new XML model file in the configured path, the **first** call to the new model never returns (this is true both of the HTTP interface as well as via clickhouse-client).
Independently from whether t... | https://github.com/ClickHouse/ClickHouse/issues/13832 | https://github.com/ClickHouse/ClickHouse/pull/21844 | 36898bdc4a2df3ec38e0e6befa8589564a3cef9a | 090e558da4a93741dbe8de5415781fe1951d82c1 | 2020-08-17T10:20:37Z | c++ | 2021-03-23T12:01:04Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,804 | ["src/Functions/FunctionsComparison.h", "tests/queries/0_stateless/01560_DateTime_and_DateTime64_comparision.reference", "tests/queries/0_stateless/01560_DateTime_and_DateTime64_comparision.sql", "tests/queries/0_stateless/01561_Date_and_DateTime64_comparision.reference", "tests/queries/0_stateless/01561_Date_and_DateT... | Comparison DateTime64 to DateTime / Date | **Use case**
Comparison between DateTime64 and DateTime / Date types is allowed but the behavior is confusing (it looks like used numerical comparison):
* from one side for zero-precision it works as expected (values compared as datetime-based ones):
```sql
SELECT toTypeName(dt64) AS dt64_typename, dt64 = dt... | https://github.com/ClickHouse/ClickHouse/issues/13804 | https://github.com/ClickHouse/ClickHouse/pull/18050 | b93d0f3922369d4cf0b51e41ffb15f742d014ed4 | 7985ed9778ff9f4bebc22be63dac420482a9f1bc | 2020-08-16T08:47:39Z | c++ | 2020-12-22T02:12:14Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,750 | ["docker/test/fuzzer/query-fuzzer-tweaks-users.xml"] | JIT, least/greatest, vector range check | ```
will now parse 'SELECT toTypeName(least(-9223372036854775808, 18446744073709551615)), toTypeName(greatest(-9223372036854775808, 18446744073709551615));
'
fuzzing step 0 out of 1000 for query at pos 0
[linux-ubuntu-14-04-trusty] 2020.08.14 20:44:02.223877 [ 246 ] <Fatal> BaseDaemon: #############################... | https://github.com/ClickHouse/ClickHouse/issues/13750 | https://github.com/ClickHouse/ClickHouse/pull/18777 | 6430fd3b2ab60b5b68d8a97252b3864eac1cc80b | cb8b6ff3fadda5a9c37cab8e4d63085ef0cc83e8 | 2020-08-15T08:03:31Z | c++ | 2021-01-06T04:18:36Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,742 | ["docs/en/sql-reference/aggregate-functions/reference/index.md", "docs/en/sql-reference/aggregate-functions/reference/quantileexact.md", "src/AggregateFunctions/AggregateFunctionQuantile.cpp", "src/AggregateFunctions/AggregateFunctionQuantile.h", "src/AggregateFunctions/QuantileExact.h", "tests/queries/0_stateless/0070... | quantileExactLow, quantileExactHight | Users want to get rounding mode in `quantileExact` equivalent to "median_low" from Python:
https://docs.python.org/3/library/statistics.html#statistics.median_low
while current implementation works equivalent to "median_high" (?) | https://github.com/ClickHouse/ClickHouse/issues/13742 | https://github.com/ClickHouse/ClickHouse/pull/13818 | e3c919ec19157f24b1ab2e121ba0693203d3bebe | e4fc48254a563874157f28f0535649ee684475dd | 2020-08-14T23:28:51Z | c++ | 2020-08-24T19:51:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,705 | ["src/AggregateFunctions/IAggregateFunction.h", "src/Interpreters/Aggregator.cpp", "tests/queries/0_stateless/01441_array_combinator.reference", "tests/queries/0_stateless/01441_array_combinator.sql"] | A bug in GROUP BY in version 20.7 (unreleased) | **Describe the bug**
```
SELECT number % 100 AS k, sumArray(emptyArrayUInt8()) AS v FROM numbers(10) GROUP BY k
```
Fails under ASan.
| https://github.com/ClickHouse/ClickHouse/issues/13705 | https://github.com/ClickHouse/ClickHouse/pull/13709 | 9a640ff210541cf52fef44bcccf0a6f0a2c16287 | 9e33f41dece5be2fe925414da6a2c44547d5b0c6 | 2020-08-14T05:12:01Z | c++ | 2020-08-14T22:10:34Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,666 | ["src/Interpreters/DuplicateDistinctVisitor.h", "src/Interpreters/TreeOptimizer.cpp", "tests/queries/0_stateless/01305_duplicate_order_by_and_distinct.reference", "tests/queries/0_stateless/01306_disable_duplicate_order_by_and_distinct_optimize_for_distributed_table.reference", "tests/queries/0_stateless/01306_disable_... | DISTINCT works incorrectly if was already applied to one of the subqueries | Hello, there. Run into the problem with DISTINCT expression. It works incorrectly on the main query if it was already applied to one of the subqueries bond with UNION ALL.
**How to reproduce**
Server version: 20.5.4.40. 19.17.6.36 was free of the bug.
Using Datagrip for running queries.
Non-default settings:
```... | https://github.com/ClickHouse/ClickHouse/issues/13666 | https://github.com/ClickHouse/ClickHouse/pull/13925 | 6a164634d7a5ea5ddcafc39a8455ace136f211a2 | 2e6ff0c5ec0b5d39781f8602769358c57af39a66 | 2020-08-13T06:14:01Z | c++ | 2020-08-24T19:33:22Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,654 | ["base/common/LineReader.cpp", "tests/queries/0_stateless/01599_multiline_input_and_singleline_comments.reference", "tests/queries/0_stateless/01599_multiline_input_and_singleline_comments.sh"] | client interactive mode line comments (-- ) does not work anymore. | 20.7.1.4189
```
clickhouse-client -m
:) select 1
:-] ---abbbb
:-] , 2 b
:-] ;
SELECT 1
┌─1─┐
│ 1 │
└───┘
```
19.13.7.57
```
clickhouse-client -m
select 1
:-] --xxxx
:-] ,2 b
:-] ;
SELECT
1,
2 AS b
┌─1─┬─b─┐
│ 1 │ 2 │
└───┴───┘
``` | https://github.com/ClickHouse/ClickHouse/issues/13654 | https://github.com/ClickHouse/ClickHouse/pull/17565 | df90cbd7d34059d22e16c6ab4775f43f16e6faba | 46e685e1b8e3e1150f978e885670dd058318924e | 2020-08-12T17:22:54Z | c++ | 2020-11-30T06:38:41Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,653 | ["tests/queries/0_stateless/02468_has_any_tuple.reference", "tests/queries/0_stateless/02468_has_any_tuple.sql"] | Unexpected type inequality | select [(toUInt8(3), toUInt8(3))] = [(toInt16(3), toInt16(3))] -- true
select hasAny([(toInt16(3), toInt16(3))],[(toInt16(3), toInt16(3))]) -- true
select arrayFilter(x -> x = (toInt16(3), toInt16(3)), arrayZip([toUInt8(3)], [toUInt8(3)])) -- [(3,3)]
select hasAny([(toUInt8(3), toUInt8(3))],[(toInt16(3), to... | https://github.com/ClickHouse/ClickHouse/issues/13653 | https://github.com/ClickHouse/ClickHouse/pull/42512 | bd80e6a10b0b7e2f539e79419b160cef9a775141 | 8c5e6a8d6c4e043ea4a56e3ebce516d22b026d93 | 2020-08-12T16:04:15Z | c++ | 2022-10-20T22:03:36Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,634 | ["src/Columns/ColumnVector.h", "src/Functions/if.cpp", "tests/queries/0_stateless/01475_mutation_with_if.reference", "tests/queries/0_stateless/01475_mutation_with_if.sql"] | Updating a Nullable column to a value would sets another value if `where` is used | Updating a Nullable column value by using alter .... where ... causes to set another value!
ClickHouse version: 20.6.3.28
Engine: MergeTree
OS: Ubuntu 18.04.3 LTS
Steps to reproduce:
```sql
CREATE TABLE table1(
id int,
price Nullable(Int32)
)
ENGINE = MergeTree()
PARTITION BY id
ORDER BY (id);
INSERT... | https://github.com/ClickHouse/ClickHouse/issues/13634 | https://github.com/ClickHouse/ClickHouse/pull/14646 | 3e00d64ebf38218a3210b8be42f73858bbb804c4 | 336430d3c27bfcfd7b45d314fea62dbaf66c3852 | 2020-08-12T04:38:06Z | c++ | 2020-09-14T06:51:40Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,630 | ["src/Formats/FormatFactory.cpp", "src/Processors/Formats/Impl/LineAsStringRowInputFormat.cpp", "src/Processors/Formats/Impl/LineAsStringRowInputFormat.h", "src/Processors/ya.make", "tests/queries/0_stateless/01460_line_as_string_format.reference", "tests/queries/0_stateless/01460_line_as_string_format.sh"] | LineAsString format. | Treat every line of input as a single String field.
Similar to `JSONAsString`. | https://github.com/ClickHouse/ClickHouse/issues/13630 | https://github.com/ClickHouse/ClickHouse/pull/13846 | e9be2f14ea8ac45f11c7c65b6c36646b64a5b390 | a39ba57e8c4e72781e22c7b45a8f30efab1d3e75 | 2020-08-12T00:00:54Z | c++ | 2020-09-10T14:10:47Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,629 | ["src/Formats/FormatFactory.cpp", "src/Formats/FormatFactory.h", "src/Processors/Formats/Impl/ODBCDriverBlockOutputFormat.cpp", "src/Processors/Formats/Impl/ODBCDriverBlockOutputFormat.h", "src/Processors/ya.make"] | Deprecate ODBCDriver format. | Leave only ODBCDriver2. | https://github.com/ClickHouse/ClickHouse/issues/13629 | https://github.com/ClickHouse/ClickHouse/pull/13847 | 2e6ff0c5ec0b5d39781f8602769358c57af39a66 | e3c919ec19157f24b1ab2e121ba0693203d3bebe | 2020-08-11T23:57:00Z | c++ | 2020-08-24T19:34:52Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,584 | ["programs/client/Client.cpp", "tests/queries/0_stateless/00964_live_view_watch_events_heartbeat.py", "tests/queries/0_stateless/00965_live_view_watch_heartbeat.py"] | SELECT ... FORMAT JSON is not a valid JSON. | **How to reproduce**
```
:) CREATE TABLE `test` (`data` Int64) ENGINE=MergeTree() ORDER BY(`data`);
CREATE TABLE test
(
`data` Int64
)
ENGINE = MergeTree()
ORDER BY data
Ok.
0 rows in set. Elapsed: 0.007 sec.
```
```
:) INSERT INTO `test` VALUES(100);
INSERT INTO test VALUES
Ok.
1 r... | https://github.com/ClickHouse/ClickHouse/issues/13584 | https://github.com/ClickHouse/ClickHouse/pull/13691 | c157b7a6858fa2de229721a6667213274388e561 | 318f14b95e0bbc02d1a5f07241d8f2c1c3d4d281 | 2020-08-10T15:05:45Z | c++ | 2020-08-26T10:25:25Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,477 | ["tests/queries/0_stateless/01633_limit_fuzz.reference", "tests/queries/0_stateless/01633_limit_fuzz.sql"] | limit + offset: PODArray.h:342 assertion failed | ```
SELECT number, 1 AS k FROM numbers(100000) ORDER BY k, number LIMIT 1025, 1023
clickhouse-server: /home/akuzm/ch2/ch/src/Common/PODArray.h:342: const T &DB::PODArray<char8_t, 4096, Allocator<false, false>, 15, 16>::operator[](ssize_t) const [T = char8_t, initial_bytes = 4096, TAllocator = Allocator<false,... | https://github.com/ClickHouse/ClickHouse/issues/13477 | https://github.com/ClickHouse/ClickHouse/pull/18708 | c0a1d6b9b09d8c7c777a87e0573884bc542b6ec0 | 750a39171689ceacb3c67d73098503c18f7acc2d | 2020-08-07T13:49:58Z | c++ | 2021-01-04T13:45:36Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,424 | ["src/Interpreters/JoinedTables.cpp", "src/Interpreters/PredicateExpressionsOptimizer.cpp", "src/Storages/StorageMerge.cpp", "src/Storages/VirtualColumnUtils.h", "tests/queries/0_stateless/01436_storage_merge_with_join_push_down.reference", "tests/queries/0_stateless/01436_storage_merge_with_join_push_down.sql"] | Server crash on Merge-table join & filter condition | In (Merge -> Distributed -> MergeTree) tables structure server **crashes** on SELECT query when:
1. Merge table is queried
2. There is a filtration condition
3. There is JOIN on some other table (no matter what)
**How to reproduce**
Prerequisites: CH with 'clstr1' cluster created (I tested on 2 nodes cluster in... | https://github.com/ClickHouse/ClickHouse/issues/13424 | https://github.com/ClickHouse/ClickHouse/pull/13679 | 09a72d0c64ef1efeff54dc47b9943ea61008fb62 | 89e967333662c8ec4c46dfa1ba12bd10781538b9 | 2020-08-06T16:01:01Z | c++ | 2020-08-14T09:38:18Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,383 | ["src/Functions/extractAllGroups.h", "tests/queries/0_stateless/01497_extract_all_groups_empty_match.reference", "tests/queries/0_stateless/01497_extract_all_groups_empty_match.sql"] | extactAllGroups[Horizonta|Vertical] stuck and high memory usage with specific regexp expression | **How to reproduce**
Clickhouse version 20.5.2.7
```
SELECT extractAllGroupsHorizontal(' a=10e-2,b=c,c="d",d=2,f=1.3, g="1,3", s=, k=3', '\W(\w+)=("[\w.,-]*")|([\w.-]*)');
SELECT extractAllGroupsVertical(' a=10e-2,b=c,c="d",d=2,f=1.3, g="1,3", s=, k=3', '\W(\w+)=("[\w.,-]*")|([\w.-]*)');
SELECT extractAllGroupsV... | https://github.com/ClickHouse/ClickHouse/issues/13383 | https://github.com/ClickHouse/ClickHouse/pull/14889 | 000cd42d5ea64199b95029dfbde60def67ffccef | 2413caa7d5b62db0b0ea2a5e7d3ab9406a3e6c75 | 2020-08-05T12:37:16Z | c++ | 2020-09-17T13:02:30Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,380 | ["docs/en/sql-reference/aggregate-functions/reference/index.md"] | Incorrect link in documentation | On the page https://clickhouse.tech/docs/en/sql-reference/aggregate-functions/reference/, the link topK actually leads to topKWeighted.
| https://github.com/ClickHouse/ClickHouse/issues/13380 | https://github.com/ClickHouse/ClickHouse/pull/13381 | 0eaab3d0954683aa6adf3d9d31e16c267ba5ebc0 | 4e08b60b5e77e6ff2e2c8a40e7d2357cc8de014d | 2020-08-05T11:29:01Z | c++ | 2020-08-05T13:06:31Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,369 | ["programs/client/Client.cpp", "tests/queries/0_stateless/00964_live_view_watch_events_heartbeat.py", "tests/queries/0_stateless/00965_live_view_watch_heartbeat.py"] | Invalid json output with FORMAT JSON | Easy to reproduce:
### 20.3.13
```
SELECT 1
FORMAT JSON
{
"meta":
[
{
"name": "1",
"type": "UInt8"
}
],
"data":
[
{
"1": 1
... | https://github.com/ClickHouse/ClickHouse/issues/13369 | https://github.com/ClickHouse/ClickHouse/pull/13691 | c157b7a6858fa2de229721a6667213274388e561 | 318f14b95e0bbc02d1a5f07241d8f2c1c3d4d281 | 2020-08-05T10:24:16Z | c++ | 2020-08-26T10:25:25Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,368 | ["src/Functions/lcm.cpp", "tests/queries/0_stateless/01435_lcm_overflow.reference", "tests/queries/0_stateless/01435_lcm_overflow.sql"] | Assert in lcm function. | ```
SELECT lcm(256, 9223372036854775807)
```
| https://github.com/ClickHouse/ClickHouse/issues/13368 | https://github.com/ClickHouse/ClickHouse/pull/13510 | ec89e921709370d2e931d4354c197836bca51291 | 3af1eba808da93018777821b8260c85ebede8fde | 2020-08-05T10:11:55Z | c++ | 2020-08-08T14:02:56Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,362 | ["src/Common/BitHelpers.h", "src/IO/parseDateTimeBestEffort.cpp", "tests/queries/0_stateless/01432_parse_date_time_best_effort_timestamp.reference", "tests/queries/0_stateless/01432_parse_date_time_best_effort_timestamp.sql"] | parseDateTime64BestEffort can not parse timestamp correct | (you don't have to strictly follow this form)
i use parseDateTime64BestEffort function to parse string to datetime.
i have met a stranger situation.
when i use :
```
select parseDateTime64BestEffortOrNull('1596538462') from test_file_1_tmp limit 1;
```
result:
```
2020-08-04 18:55:26.000
```
when i use ：... | https://github.com/ClickHouse/ClickHouse/issues/13362 | https://github.com/ClickHouse/ClickHouse/pull/13441 | 55088d53cdfc90f0dcf3521ceec29394224053d3 | b5667e3b0f9df563ff7bf515b2f3d8aba21dda3d | 2020-08-05T09:10:15Z | c++ | 2020-08-07T11:02:59Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,361 | ["src/Interpreters/DDLWorker.cpp", "tests/integration/test_on_cluster_timeouts/__init__.py", "tests/integration/test_on_cluster_timeouts/configs/remote_servers.xml", "tests/integration/test_on_cluster_timeouts/configs/users_config.xml", "tests/integration/test_on_cluster_timeouts/test.py"] | Cannot execute replicated DDL query on leader | I deleted all the zookeeper's for clickhouse path because its hard disk was full, after that I restarted the cluster.
Right now the data can not be inserted because the path is not created | https://github.com/ClickHouse/ClickHouse/issues/13361 | https://github.com/ClickHouse/ClickHouse/pull/13450 | a348bc4641684b79f87c083643a5a46ae60132bb | d806e0c0522978cf7fc1b06d6ebf020c1311079e | 2020-08-05T09:02:11Z | c++ | 2020-08-24T16:23:09Z |
closed | ClickHouse/ClickHouse | https://github.com/ClickHouse/ClickHouse | 13,342 | ["tests/queries/0_stateless/01536_fuzz_cast.reference", "tests/queries/0_stateless/01536_fuzz_cast.sql"] | Assert in CAST | ```
SELECT CAST(arrayJoin([NULL, '', '', NULL, '', NULL, '01.02.2017 03:04\005GMT', '', NULL, '01/02/2017 03:04:05 MSK01/02/\0017 03:04:05 MSK', '', NULL, '03/04/201903/04/201903/04/\001903/04/2019']), 'Enum8(\'a\' = 1, \'b\' = 2)') AS x
```
`Logical error: 'Last column should be ColumnNullable'.` | https://github.com/ClickHouse/ClickHouse/issues/13342 | https://github.com/ClickHouse/ClickHouse/pull/16452 | 7c4b0e559d123b5e71c1c91c0dc0a24e90ceb9db | 0cb377da6e85744c53b123cc5143c07c32c7cc5d | 2020-08-04T21:20:41Z | c++ | 2020-10-28T06:26:19Z |
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