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289 Commits

Author SHA1 Message Date
zhongyuankai
fd9d766a44 fix doc system views 2021-08-31 21:28:38 +08:00
zhongyuankai
1a088e36c6 fix doc system views 2021-08-31 21:25:46 +08:00
zhongyuankai
d4d72d9346 add doc system views 2021-08-31 17:42:04 +08:00
tavplubix
8b98c52ca8
Merge pull request #27576 from sevirov/sevirov-DOCSUP-12331-document_the_system_zookeeper_log_table 
DOCSUP-12331: Document the system.zookeeper_log table
 2021-08-18 22:29:09 +03:00
Dmitriy
baa7b204fc Fix by comments 
Поправил согласно комментариям в PR.
 2021-08-18 19:27:39 +03:00
Dmitriy
693b8271dc Fix typo 
Выделил watch и sequental как ключевые слова.
 2021-08-17 23:05:21 +03:00
Dmitriy
bc52374f17 Translate to Russian 
Выполнил перевод на русский язык.
 2021-08-16 20:12:12 +03:00
sevirov
4ac49fe5b0
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:35:21 +03:00
sevirov
388db25516
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:35:04 +03:00
sevirov
382491b7a0
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:34:57 +03:00
sevirov
6b77dcacca
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:34:46 +03:00
sevirov
4c9a5aa0f1
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:34:23 +03:00
sevirov
8a79ed0d38
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:34:03 +03:00
sevirov
d5db8f8979
Update docs/en/operations/system-tables/zookeeper_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-08-15 20:33:16 +03:00
Dmitriy
c35136a47b Create zookeeper_log.md 
Выполнил описание новой системной таблицы zookeeper_log.
 2021-08-11 20:08:51 +03:00
Raúl Marín
479f053f2e Merge remote-tracking branch 'blessed/master' into materialization_log 2021-08-05 17:24:10 +02:00
Maksim Kita
3f48c85722 StorageSystemReplicas added column replica_is_active 2021-08-04 16:19:42 +03:00
Raúl Marín
9f32ecca89 Merge remote-tracking branch 'blessed/master' into materialization_log 2021-08-02 16:21:10 +02:00
Alexey Boykov
e3431dfbf4
Merge pull request #26793 from michon470/kuriatnikovm-DOCSUP-10297-update-system.query_log-system-table 
DOCSUP-10297: system.query_log system table documentation updated
 2021-07-30 14:28:28 +03:00
Alexey Milovidov
df3be36758 Remove trailing whitespaces from docs 2021-07-29 18:27:50 +03:00
Alexey Milovidov
d87d833691 Remove trailing whitespaces from docs 2021-07-29 18:20:55 +03:00
Mikhail
4f44b541c1 Update query_log.md 2021-07-28 16:49:36 +03:00
Raúl Marín
844681a7fd Update docs to match changes 2021-07-27 16:29:34 +02:00
Raúl Marín
69577a782f Views: Once started, finish all concurrent views before throwing 
Since sequential processing executes things in phases too, try to finish
all (non errored out) views before throwing any exception
 2021-07-27 16:29:33 +02:00
Raúl Marín
f0125262b7 Add views and it's tables to system.query_log 2021-07-27 16:29:33 +02:00
Raúl Marín
eb994d8f04 Fix a couple of bugs 
- Don't use threads if there is only one dependent view and parallel_view
- Reset the current_thread when destroying views ThreadStatus
 2021-07-27 16:29:33 +02:00
Raúl Marín
7c1fcc94b0 View log: Make sure to only profile events during view execution 2021-07-27 16:29:33 +02:00
Raúl Marín
ab05fc12e2 Docs and settings 2021-07-27 16:29:33 +02:00
Mikhail
39e1b21385 Update query_log.md 
requested edit
 2021-07-26 08:19:30 +03:00
sevirov
601ed5046a
Update docs/en/operations/system-tables/data_skipping_indices.md 
Co-authored-by: Dmitry Novik <d1mas1k4@yandex.ru>
 2021-07-11 12:17:37 +03:00
Dmitriy
c435bd85f7 Edit and translate to Russian 
Выполнил перевод на русский язык.
 2021-07-07 22:47:47 +03:00
alexey-milovidov
e45bd26721
Merge pull request #25675 from Nicholaswang/master 
fix broken links and incorrect translations
 2021-07-02 04:38:39 +03:00
Maksim Kita
294b937a39
Merge branch 'system-query-log-map-type-merge' into system-querylog-map-continue 2021-06-28 11:27:59 +03:00
Dmitry Novik
c2acf12245 Add english documentation for system.data_skipping_indices 2021-06-25 02:49:47 +03:00
nickzhwang
00a2dfb1bf resolve conflicts 2021-06-24 20:59:40 +08:00
nickzhwang
9fc890abf5 resolve conflicts 2021-06-24 20:47:02 +08:00
nickzhwang
bb35a113bf fix broken links and incorrect translations 2021-06-24 20:18:14 +08:00
Kseniia Sumarokova
67e2695e8b
Merge pull request #24548 from kirillikoff/DOCSUP-9474-document-table-comments 
Docsup 9474: document table comments
 2021-05-31 11:11:27 +03:00
Tatiana Kirillova
ee049678a1 Translation into Russian and system.tables 2021-05-29 16:42:21 +03:00
tavplubix
e82196f9d4
Merge pull request #24503 from sevirov/sevirov-DOCSUP-9597-add_thread_name_and_support_datetime64_for_ver 
DOCSUP-9597: Add thread_name in system.stack_trace and add support DateTime64 for ver parameter
 2021-05-28 00:44:58 +03:00
Romain Neutron
7b515c7235
Avoid short syntax 2021-05-27 21:44:11 +02:00
Dmitriy
f68a6af5f0 Update examples 
Обновил примеры.
 2021-05-27 20:01:56 +03:00
Dmitriy
9a963a7a1f Add thread_name and support DateTime64 
Добавил столбец thread_name и поддержку типа данных DateTime64.
 2021-05-26 00:39:34 +03:00
Azat Khuzhin
e08389b2d2 Add interface for rate of found elements in the dictionaries 
- IDictionary abstraction
- skeleton implementation into each dictionary
- system.dictionaries.found_rate
- documentation changes
 2021-05-08 17:09:01 +03:00
hexiaoting
a1d521902c Merge remote-tracking branch 'origin/master' into dev-continue-sundyli 2021-05-07 14:22:53 +08:00
Azat Khuzhin
74269882f7 Add broken_data_files/broken_data_compressed_bytes into distribution_queue 2021-05-04 22:48:07 +03:00
Dmitriy
7b17a07915 Delete the note 
Удалил примечание.
 2021-04-26 14:06:45 +03:00
Dmitriy
ad59cfb48f Merge branch 'sevirov-DOCSUP-7574-add_columns_in_the_clusters_table' of https://github.com/sevirov/ClickHouse into sevirov-DOCSUP-7574-add_columns_in_the_clusters_table 2021-04-25 19:12:44 +03:00
Dmitriy
fa0d815297 Add the note 
Оформил примечание.
 2021-04-25 19:12:07 +03:00
sevirov
ac059d5247
Update docs/en/operations/system-tables/clusters.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-04-25 19:01:19 +03:00
Dmitriy
19d05b0db0 Add columns 
Добавил недостающие столбцы и привел в порядок описание, добавив ссылки и обновив примеры.
 2021-04-24 18:44:00 +03:00
tavplubix
b1081bcf54
Merge pull request #23316 from sevirov/sevirov-DOCSUP-8233-edit_and_translate_replication 
DOCSUP-8233: Edit and translate to Russian
 2021-04-21 22:47:20 +03:00
sevirov
176ca58e72
Update docs/en/operations/system-tables/replication_queue.md 
Co-authored-by: tavplubix <tavplubix@gmail.com>
 2021-04-21 19:30:04 +03:00
Dmitriy
f1aef7e9a2 Edit and translate to Russian 
Поправил английскую версию и выполнил перевод на русский язык.
 2021-04-19 21:01:38 +03:00
olgarev
6abe37b13e
Apply suggestions from code review 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-04-19 20:04:51 +03:00
Olga Revyakina
310632d602 One more link added 2021-04-18 02:05:32 +03:00
Olga Revyakina
8e573c41e6 Start 2021-04-18 01:47:43 +03:00
alexey-milovidov
af9d5440bd
Update trace_log.md 2021-04-05 00:18:48 +03:00
chasingegg
c1556e4d8e tiny fix 2021-04-05 00:17:42 +08:00
chasingegg
1aa2b3a4cd fix trace type 2021-04-05 00:16:35 +08:00
Mike Kot
c947280dfc Merge remote-tracking branch 'upstream/master' into feature/attach-partition-local 2021-04-01 21:38:51 +03:00
alexey-milovidov
0c70b06960
Merge branch 'master' into system-querylog-map 2021-03-31 04:54:30 +03:00
Mike Kot
285af08949 Merge remote-tracking branch 'upstream/master' into feature/attach-partition-local 2021-03-24 22:34:20 +03:00
Azat Khuzhin
7c07b43597 Convert system.errors.stack_trace from String into Array(UInt64) 
This should decrease overhead for the errors collecting.
 2021-03-24 06:52:48 +03:00
Nikolai Kochetov
c2cbdf89a0
Merge pull request #21601 from ka1bi4/romanzhukov-DOCSUP-7042-deltaSum-quota-type 
DOCSUP-7042: Edit and translate to Russian (deltaSum function and queries quota type)
 2021-03-23 12:05:28 +03:00
Dmitriy
f2de3f5dfd Update query_log 
Внес небольшие изменения.
 2021-03-21 19:22:04 +03:00
Dmitriy
ccb40e56a0 Fix by comments 
Поправил русскую и английскую версии согласно комментариям разработчика.
 2021-03-21 18:16:34 +03:00
Dmitriy
3630668242 Update the example 
Обновил пример и некоторые столбцы.
 2021-03-21 01:12:05 +03:00
Dmitriy
7bf89bce06 Merge remote-tracking branch 'remotes/clickhouse/master' into sevirov-DOCSUP-6177-add_new_columns_system_query_log_system_table 2021-03-19 00:46:52 +03:00
Dmitriy
4046f414fe Add new columns 
Добавил новые и недостающие столбцы в описание таблицы.
 2021-03-19 00:15:43 +03:00
Roman Bug
2248001079
Merge branch 'master' into romanzhukov-DOCSUP-7042-deltaSum-quota-type 2021-03-18 16:33:38 +03:00
romanzhukov
01b3bd12cd DOCSUP-7042: Fix by PR comments. 2021-03-18 16:28:24 +03:00
romanzhukov
348e76a47f DOCSUP-7042: Fix by PR comments. 2021-03-18 16:16:15 +03:00
Mike Kot
831b90f272 Replaced the iteration algorithm in part finder 
Now, instead of iterating through the directories, we iterate though
directories of on of the table disks (which doesn't give us a
substantial boost but is a bit neater to read).

- Updated the system.replication_queue command types.
- Fixed the part ptr being empty (added the checksum loading and
initialization).
- Removed extra logging.
 2021-03-17 16:55:26 +03:00
Azat Khuzhin
44c9dc753d Add system.errors.last_error_stacktrace column 2021-03-16 22:31:49 +03:00
Azat Khuzhin
775f8f7682 Add system.errors.last_error_message column 2021-03-16 22:31:49 +03:00
Azat Khuzhin
c8852331a2 Add system.errors.last_error_time column 2021-03-16 22:31:49 +03:00
Azat Khuzhin
259e5ba88e Separate accounting of remote exceptions in system.errors 2021-03-16 22:31:46 +03:00
Alexey Milovidov
f617976571 Fix broken links 2021-03-14 15:55:11 +03:00
Alexey Milovidov
ecb686b0be Fix some broken links 2021-03-14 15:29:23 +03:00
alesapin
cae9751961
Merge pull request #21493 from olgarev/revolg-DOCSUP-5854_show_settings 
DOCSUP-5854: Documented the SHOW SETTINGS statement
 2021-03-11 11:47:32 +03:00
sevirov
5e887b4c99
Update docs/en/operations/system-tables/trace_log.md 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
 2021-03-10 20:21:43 +03:00
Dmitriy
cf51574d82 Edit and translate to Russian 
Исправил английскую версию и перевел на русский язык.
 2021-03-09 23:31:48 +03:00
Olga Revyakina
ff76356fd1 Docs en,ru PLUS templates updates 2021-03-06 11:59:50 +03:00
Dmitriy
fec0cf5f09 Edit and translate to Russian 
Поправил английскую версию и выполнил перевод на русский язык.
 2021-03-02 20:59:33 +03:00
Roman Bug
a4f2ee0752
DOCSUP-6144: Edit and translate PR to Russian (#19780) 
Co-authored-by: Anna <42538400+adevyatova@users.noreply.github.com>
Co-authored-by: romanzhukov <romanzhukov@yandex-team.ru>
Co-authored-by: Vladimir <vdimir@yandex-team.ru>
 2021-03-01 16:51:38 +03:00
Dmitriy
efb17c0f31 Merge remote-tracking branch 'remotes/clickhouse/master' into sevirov-DOCSUP-6544-edit_translate_russian_insert_query_support 2021-02-25 23:34:36 +03:00
Alexey Milovidov
0d2d2dc2ed Merge branch 'master' into sundy-li/system-querylog-map 2021-02-18 00:47:54 +03:00
Alexander Kuzmenkov
22a5ef3635
Merge pull request #20095 from sevirov/sevirov-DOCSUP-6437-document_system_opentelemetry_span_log 
DOCSUP-6437: Document the system.opentelemetry_span_log system table
 2021-02-15 22:34:48 +03:00
Dmitriy
0d9578efc9 Edit and translate 
Поправил английскую версию и выполнил перевод.
 2021-02-14 14:14:39 +03:00
Dmitriy
d3549aca95 Fix the description of the table 
Поправил описание таблицы.
 2021-02-11 21:42:15 +03:00
bharatnc
072e0802b5 PartLog - Docs 2021-02-08 07:29:28 -08:00
Alexander Kuzmenkov
e18349f87a
Merge pull request #20008 from sevirov/sevirov-DOCSUP-5930-add_query_id_to_part_log 
DOCSUP-5930: Update the system.part_log system table
 2021-02-08 16:58:06 +03:00
Alexander Kuzmenkov
5ea35a9ff6
Update part_log.md 2021-02-08 16:56:52 +03:00
alexey-milovidov
e192676238
Merge pull request #19603 from JackyWoo/add_quota_type 
add quota type QUERY_SELECTS and QUERY_INSERTS
 2021-02-08 15:31:54 +03:00
zhangxiao871
a0c62db9c3 Update documentation. 2021-02-07 14:06:25 +08:00
JackyWoo
77c0f0a0e7 add quota type QUERY_SELECTS and QUERY_INSERTS 2021-02-07 10:57:18 +08:00
zhangxiao871
b75a8a0eb3 documentation. 2021-02-05 17:46:08 +08:00
zhangxiao871
581495ae23 Supports system.zookeeper path IN query. 2021-02-05 14:45:28 +08:00
Dmitriy
409ff2f6b3 Document system.opentelemetry_span_log system table 
Задокументировал системную таблицу system.opentelemetry_span_log.
 2021-02-04 22:13:55 +03:00
bharatnc
dc6a9ab9f9 Docs - fix unit for event_time_microseconds system.trace_log 2021-02-03 09:38:02 -08:00
Dmitriy
698d5ac022 Fix the description of the system.part_log system table 
Поправил на основании комментарий в PR.
 2021-02-02 22:27:06 +03:00
Dmitriy
807476cc6a Add some columns 
Добавил отсутствующие столбцы, пример, ссылки на типы.
 2021-02-02 21:08:10 +03:00
Dmitriy
cad9f2da6c Update the system.distributed_ddl_queue system table 
Поправил английскую версию и выполнил перевод на русский язык.
 2021-01-31 14:46:44 +03:00
sundy-li
7083ef45a6 Merge remote-tracking branch 'origin/master' into system-querylog-map 2021-01-29 09:26:02 +08:00
Olga Revyakina
f3dd1aadc3 Syntax and links 2021-01-28 13:06:44 +03:00
sundy-li
339133f32a Support Map for OpenTelemetrySpanLog && improve docs update 2021-01-22 13:16:13 +08:00
tavplubix
213c653ef8
Merge pull request #17656 from bharatnc/ncb/ddl-worker-queue-table 
add  system.distributed_ddl_queue table
 2021-01-11 14:59:26 +03:00
Azat Khuzhin
a8f13594ed Update documentation for system.table_engines 2021-01-08 14:57:24 +03:00
alexey-milovidov
4a2bf8b699
Update index.md 2021-01-08 09:06:35 +03:00
alexey-milovidov
c9d37b194e
Update index.md 2021-01-08 07:33:01 +03:00
alexey-milovidov
723d52e08d
Update index.md 2021-01-08 07:32:19 +03:00
Alexey Milovidov
6dcc779978 Merge branch 'master' into spongedu-complete_sysemlog_table_doc 2021-01-07 22:27:37 +03:00
bharatnc
1e579ac375 Fixes to code, build and style checks 2021-01-07 11:10:49 -08:00
bharatnc
8dacfde3d3 Docs - update to reflect code changes 2021-01-07 11:10:41 -08:00
bharatnc
5365d556e3 Docs - distributed_ddl_queue 2021-01-07 11:10:41 -08:00
alexey-milovidov
138b029934
Merge pull request #18102 from AnaUvarova/ana-uvarova-DOCSUP-4712-metric-log-transfer 
DOCSUP-4712 Transferred metric_log setting to another page
 2020-12-31 03:29:21 +03:00
alexey-milovidov
af39c2f1d7
Merge branch 'master' into dmozhaeva-DOCSUP-4706-edit-and-translate 2020-12-30 17:11:54 +03:00
ana-uvarova
8d63689b17 content fix 2020-12-30 02:53:44 +03:00
alexey-milovidov
4371e36d92
Update index.md 2020-12-29 20:43:10 +03:00
Dmitriy
e53281e176 Update distribution_queue.md 
Исправил this на these.
 2020-12-16 23:38:28 +03:00
ana-uvarova
b81a932408 redone 2020-12-15 20:49:00 +03:00
Dmitriy
153610b2c3 Update distribution_queue.md 
Поменял also на Also.
 2020-12-13 23:44:09 +03:00
Dmitriy
698737681a Merge remote-tracking branch 'remotes/clickhouse/master' into sevirov-DOCSUP-4919-document_replication_queue_system_table 2020-12-13 23:41:22 +03:00
Dmitriy
629f5f0797 Update replication_queue.md 
Выполнил перевод на русский язык, внес изменения в английскую версию.
 2020-12-13 18:42:34 +03:00
Dmitriy
065a64cc37 Update distribution_queue.md 
Добавил ссылку на движок таблиц Distributed.
 2020-12-12 22:43:52 +03:00
alexey-milovidov
6e417088dc
Update distribution_queue.md 2020-12-11 00:34:10 +03:00
Dmitriy
123923b5e5 Create distribution_queue.md 
Задокументировал системную таблицу distribution_queue.
 2020-12-09 21:14:55 +03:00
Daria Mozhaeva
843a26cbca Edit and translate v2. 2020-12-09 18:50:58 +03:00
Daria Mozhaeva
d1c7833f28 Edit and translate. 2020-12-09 17:03:38 +03:00
Dmitriy
215c5675dd Update replication_queue.md 
Изменил описание столбца node_name.
 2020-12-08 23:25:45 +03:00
Dmitriy
ce721f95ee Create replication_queue.md 
Задокументировал системную таблицу replication_queue.
 2020-12-08 21:46:25 +03:00
spongedc
5914e6e451 Refine documents for system log table, and fix a link error in config.xml 2020-12-07 16:04:29 +08:00
bharatnc
4f33a6b044 few fixes and formatting 2020-12-03 13:48:02 -08:00
bharatnc
67e6cc8faf docs - add more examples for systems tables 2020-12-03 13:47:56 -08:00
bharatnc
8e0e29480f system.columns - add some doc examples 2020-12-03 11:15:29 -08:00
Anna Shakhova
4479cfbcb0
DOCSUP-3871: Document prefer_not_to_merge option (#17090) 
* Init commit

* Translation

* Fixed

* Fixed

* Fixed

* Fixed
 2020-12-02 22:03:24 +03:00
Matthew Peveler
d5ec885674
Fix link to database engines 
Signed-off-by: Matthew Peveler <matt.peveler@popsql.com>
 2020-12-02 00:30:05 +02:00
Matthew Peveler
aa45b852b6
Update wording per suggestion 
Signed-off-by: Matthew Peveler <matt.peveler@popsql.com>
 2020-12-01 23:26:28 +02:00
Matthew Peveler
a10222b5fe
Update column info for system.database 
Signed-off-by: Matthew Peveler <matt.peveler@popsql.com>
 2020-12-01 21:36:08 +02:00
sevirov
75f04fac40
DOCSUP-4162: Document the system.replicated_fetches system table (#16900) 
* Create replicated_fetches.md

Задокументировал системную таблицу system.replicated_fetches.

* Edit and translate replicated_fetches.md

Поправил английскую версию и перевел на русский язык.

* Update replicated_fetches.md

Внес поправки.

* Update replicated_fetches.md

Внес изменения в русскую версию.

Co-authored-by: Dmitriy <sevirov@yandex-team.ru>
 2020-11-19 21:12:22 +03:00
alexey-milovidov
4fede5b008
Merge pull request #16438 from azat/errorCode-v2 
Add errorCodeToName() and system.errors
 2020-11-04 12:40:47 +03:00
alexey-milovidov
85d5c8edc5
Merge pull request #16515 from AnaUvarova/ana-uvarova-DOCSUP-2962-one-more-field-metric-log 
DOCSUP-2962: one more field metric log
 2020-11-04 12:30:02 +03:00
alexey-milovidov
8a3f38f332
Merge branch 'master' into errorCode-v2 2020-11-04 01:40:41 +03:00
sevirov
993af08779
DOCSUP-1829: Update the system.columns table description (#16576) 
* Update order-by.md

Задокументировал параметры OFFSET и FETCH.

* Update prewhere.md

Поправляю битые ссылки.

* Update prewhere.md

Вернул изменения назад.

* Update order-by.md

Пытаюсь исправить битые ссылки.

* Update columns.md

Добавил position и compression_codec.

* Translation columns.md

Сделал перевод на русский язык.

* Delete changes order-by.md

Удалил изменения в файле order-by.

Co-authored-by: Dmitriy <sevirov@yandex-team.ru>
 2020-11-03 18:36:25 +03:00
sevirov
baa8958ad4
DOCSUP-1830: Describe the system.parts_columns table (#16531) 
* Update order-by.md

Задокументировал параметры OFFSET и FETCH.

* Update prewhere.md

Поправляю битые ссылки.

* Update prewhere.md

Вернул изменения назад.

* Update order-by.md

Пытаюсь исправить битые ссылки.

* Create parts_columns.md

Сделал описание системной таблицы parts_columns.

* Delete changes order-by.md

Удалил изменения файла, не относящегося к этой ветке.

* Update parts_columns.md

Исправил линки.

* Edit and translate russian parts_columns.md

Выполнил перевел на русский язык.

Co-authored-by: Dmitriy <sevirov@yandex-team.ru>
 2020-11-02 19:32:43 +03:00
Denis Zhuravlev
4adef402e6 Doc/multiple_leaders 2020-11-01 12:14:25 -04:00
ana-uvarova
3bded85c4f Details 2020-10-29 15:43:18 +03:00
Azat Khuzhin
b2e2322895 Add system.errors table 
Contains error codes with number of times they have been triggered.

Columns:

-   `name` ([String](../../sql-reference/data-types/string.md)) — name of the error (`errorCodeToName`).
-   `code` ([Int32](../../sql-reference/data-types/int-uint.md)) — code number of the error.
-   `value` ([UInt64](../../sql-reference/data-types/int-uint.md)) - number of times this error has been happened.

**Example**

``` sql
SELECT *
FROM system.errors
WHERE value > 0
ORDER BY code ASC
LIMIT 1

┌─name─────────────┬─code─┬─value─┐
│ CANNOT_OPEN_FILE │   76 │     1 │
└──────────────────┴──────┴───────┘
 2020-10-29 10:55:38 +03:00
ana-uvarova
ce016ba8c9 Draft 2020-10-27 10:22:14 +03:00