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ClickHouse® is a real-time analytics DBMS
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Azat Khuzhin d476a4a9bd Add type conversion for optimize_skip_unused_shards_rewrite_in 
MSan reports [1]:

    2021.04.17 15:20:06.665152 [ 56 ] {2336bf92-0269-4acd-8b3f-f09623223d18} <Debug> executeQuery: (from [::1]:44744, using production parser) SELECT * FROM dist_01757 WHERE dummy IN ('255', 0) FORMAT Null
    ...
    0 0x305af885 in (anonymous namespace)::shardContains() obj-x86_64-linux-gnu/../src/Interpreters/OptimizeShardingKeyRewriteInVisitor.cpp:50:28
    ...
    Uninitialized value was created by an allocation of 'sharding_value' in the stack frame of function '_ZN12_GLOBAL__N_113shardContainsERKN2DB5FieldERKNSt3__112basic_stringIcNS4_11char_traitsIcEENS4_9allocatorIcEEEERKNS4_10shared_ptrINS0_17ExpressionActionsEEESC_RKNS0_7Cluster9ShardInfoERKNS4_6vectorImNS8_ImEEEE'
    0 0x305ae260 in (anonymous namespace)::shardContains() obj-x86_64-linux-gnu/../src/Interpreters/OptimizeShardingKeyRewriteInVisitor.cpp:42

  [1]: https://clickhouse-test-reports.s3.yandex.net/23212/d02eb3f6b7a8dc07bbed5605e1afcf7634436b3a/fuzzer_msan/report.html#fail1

P.S. fuzzers are great!
2021-04-19 00:03:38 +03:00
.github Drop truthy.check-keys from yamllint (does not supported on CI) 2021-02-21 06:15:36 +03:00
base Merge branch 'master' of https://github.com/ClickHouse/ClickHouse into support-apple-m1 2021-04-15 22:54:26 +08:00
benchmark Convert to python3 (#15007) 2020-10-02 19:54:07 +03:00
cmake Merge branch 'support-apple-m1' of github.com:changvvb/ClickHouse into support-apple-m1 2021-04-15 22:57:23 +08:00
contrib Fix waiting for all connections closed on shutdown. 2021-04-17 16:06:27 +03:00
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src Add type conversion for optimize_skip_unused_shards_rewrite_in 2021-04-19 00:03:38 +03:00
tests Add type conversion for optimize_skip_unused_shards_rewrite_in 2021-04-19 00:03:38 +03:00
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.editorconfig Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
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.vimrc Changed tabs to spaces in editor configs and in style guide [#CLICKHOUSE-3]. 2017-04-01 11:35:09 +03:00
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README.md

ClickHouse — open source distributed column-oriented DBMS

ClickHouse® is an open-source column-oriented database management system that allows generating analytical data reports in real time.

Useful Links

  • Official website has quick high-level overview of ClickHouse on main page.
  • Tutorial shows how to set up and query small ClickHouse cluster.
  • Documentation provides more in-depth information.
  • YouTube channel has a lot of content about ClickHouse in video format.
  • Slack and Telegram allow to chat with ClickHouse users in real-time.
  • Blog contains various ClickHouse-related articles, as well as announcements and reports about events.
  • Code Browser with syntax highlight and navigation.
  • Contacts can help to get your questions answered if there are any.
  • You can also fill this form to meet Yandex ClickHouse team in person.