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ClickHouse® is a real-time analytics DBMS
2fc1c859c7
* upstream/master: Update tips.md Wait with retries in fast test (#13284) update #syntax-expressions in syntax.md (#13269) fix test Set custom prefix in server-test.xml too. Update HashTable.h Attempt to fix "Arcadia" build More performance tests Fix error + one more optimization Attempt to fix "Arcadia" build Add test Continue Fix hash table with NaN keys Fix tests Fix errors Fix errors Revert some changes shellcheck --check-sourced --external-sources --severity style --exclude SC1071 --format diff *.sh ../1_stateful/*.sh | git apply Fix all info from Shellcheck fgrep -> grep -F shellcheck --check-sourced --external-sources --severity info --exclude SC1071 --format diff */*.sh | git apply Minor changes 2 Minor changes Fix warnings found by Shellcheck Refresh ya.make Better code Fix assertion in KeyCondition Fix including Common/config.h in the Arcadia build. Fix bad code Add more threads for the 01323_too_many_threads_bug Exclude threads used for query_log processing 01323_too_many_threads_bug Use ILIKE over lower() LIKE in 01323_too_many_threads_bug Update test Fix style Simplify CMake for libunwind (suggestion from @azat) Normalize ya.make files, fix "Arcadia" build Fix 01323_too_many_threads_bug (use arrayUniq() over length()) Fix logging in MergeTreeDataSelectExecutor for multiple threads (attach to thread group) Use "Not using primary index on part" over "Not using index on part" (add "primary") Exclude 01413_rows_events from the fasttest (TRUNCATE query_log) fasttest: use arrays for skip list (to make it more patch friendly) Update README.md Fix warning in libunwind Fix warning in libunwind Fix assert in geohashesInBox Fix assert in parseDateTimeBestEffort Add test Fix function if with nullable constexpr as cond that is not literal NULL Fix assert in *Map aggregate functions More tests Fix assert in arrayElement Fix assert in IN with tuple literals and functions Use stored size for UInt16 case Revert "Less indirection in FixedHashTable" Special case for aggregation by 8bit field Less indirection in FixedHashTable Update FixedHashTable.h Avoid increment of size in the inner loop of aggregation by UInt8/UInt16 Trigger CI Slightly better Fix fuzz test Add test Function "materialize" should work for NULL as expected Minor changes in Debian scripts Fix Shellcheck errors Fix some spurious perf test failures Fix test +x for test Merge with master Added and updated tests More sane Remove ridiculous trash Use absolute paths to backup locations (shadow) Add test for macros usage in certain kafka setting. Add QueryTimeMicroseconds, SelectQueryTimeMicroseconds and InsertQueryTimeMicroseconds to system.events try fix sync Fix various code defects in groupArrayMoving functions #12568 fix fixes fixes implement reneme dictionary query rename database with dictionaries fix tests use dictionary ids fix build add uuid to generated config add StorageID to IDictionaryBase 3 add StorageID to IDictionaryBase 2 add StorageID to IDictionaryBase 1 write uuid for ddl dictionaries fixes add implicit uuid macro fix tests fix, add test implement rename database for atomic fix symlinks, add short syntax of attach database add uuid to atomic databases |
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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.
- Yandex.Messenger channel shares announcements and useful links in Russian.
- 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.
Upcoming Events
- ClickHouse at ByteDance (in Chinese) on August 14, 2020.