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ClickHouseยฎ is a real-time analytics DBMS
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Click House v20.5.4.40-stable

Click House: v20.5.4.40-stable Release

Release date:
August 1, 2020
Previous version:
v20.5.3.27-stable (released August 5, 2020)
Magnitude:
52 Diff Delta
Contributors:
3 total committers
Data confidence:
Commits:
30 impacting commits

44 Features Released with v20.5.4.40-stable

Fix performance with large tuples
#12700
Exclude partition key columns from SummingMergeTree
#12173
Make read buffer size lower, while reading from compact parts
#12492
Fix TOTALS/ROLLUP/CUBE for aggregate functions with -State and Nullable arguments
#12376
Fix memory tracking for input_format_parallel_parsing
#12672
Fix limiting the number of threads for VIEW.
#12085
Fix over-limiting the number of threads for union.
#12103
Merging #12548 - Correction to `merge_with_ttl_timeout` logic by @excitoon
#12982
Headers for CSVWithNames in StorageFile
#12197
Try fix pk in tuple performance
#12062
ISSUES-12293 allow push predicate when subquery contains with clause
#12663
Fix SIGSEGV in StorageKafka when broker is unavailable
#12658
Fix crash in 'JOIN dict ON expr(dict_key) = k'
#12458
Fix loading parts without checksums
#12545
Remove sort description from streams
#12613
Fix std::bad_typeid when JSON functions called with argument of wrong type
#12400
Fixing race condition in live view tables which could cause data duplication and live view tests
#12519
kafka: fix SIGSEGV if there is a message with error in the middle of the batch
#12302
Fix external sort pipeline stuck
#12618
Avoid exception when negative or floating point constant is used in WHERE condition for indexed tables
#12384
Better exception during directories creation
#12625
Remove thread limiting.
#12840
Fix wrong index analysis with functions
#13081
ISSUES-10572 fix bloom filter with const column
#12659
Backport #12658 to 20.5: Fix SIGSEGV in StorageKafka when broker is unavailable
#12972
Backport #12376 to 20.5: Fix TOTALS/ROLLUP/CUBE for aggregate functions with -State and Nullable arguments
#12905
Backport #12519 to 20.5: Fixing race condition in live view tables which could cause data duplication and live view tests
#12892
Backport #12492 to 20.5: Make read buffer size lower, while reading from compact parts
#13004
Backport #13081 to 20.5: Fix wrong index analysis with functions
#13144
Backport #12700 to 20.5: Fix performance with large tuples
#13185

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