Skip to content
Navigation Menu
Sign in
Appearance settings
Platform
AI CODE CREATION
GitHub Copilot
Write better code with AI
GitHub Copilot app
Direct agents from issue to merge
MCP Registry
Integrate external tools
DEVELOPER WORKFLOWS
Actions
Automate any workflow
Codespaces
Instant dev environments
Issues
Plan and track work
Code Review
Manage code changes
Code Quality
Enforce quality at merge
APPLICATION SECURITY
GitHub Advanced Security
Find and fix vulnerabilities
Code security
Secure your code as you build
Secret protection
Stop leaks before they start
EXPLORE
Why GitHub
Documentation
Blog
Changelog
Marketplace
View all features
Solutions
BY COMPANY SIZE
Enterprises
Small and medium teams
Startups
Nonprofits
BY USE CASE
App Modernization
DevSecOps
DevOps
CI/CD
View all use cases
BY INDUSTRY
Healthcare
Financial services
Manufacturing
Government
View all industries
View all solutions
Resources
EXPLORE BY TOPIC
AI
Software Development
DevOps
Security
View all topics
EXPLORE BY TYPE
Customer stories
Events & webinars
Ebooks & reports
Business insights
GitHub Skills
SUPPORT & SERVICES
Documentation
Customer support
Community forum
Trust center
Partners
View all resources
Open Source
COMMUNITY
GitHub Sponsors
Fund open source developers
PROGRAMS
Security Lab
Maintainer Community
GitHub Stars
Archive Program
REPOSITORIES
Topics
Trending
Collections
Enterprise
ENTERPRISE SOLUTIONS
Enterprise platform
AI-powered developer platform
AVAILABLE ADD-ONS
GitHub Advanced Security
Enterprise-grade security features
Copilot for Business
Enterprise-grade AI features
Premium Support
Enterprise-grade 24/7 support
Pricing
Search
/
Sign in
Sign up
Appearance settings
You signed in with another tab or window.
Reload
to refresh your session.
You signed out in another tab or window.
Reload
to refresh your session.
You switched accounts on another tab or window.
Reload
to refresh your session.
Dismiss alert
{{ message }}
Uh oh!
There was an error while loading.
Please reload this page
.
ClickHouse
/
ClickHouse
Public
Notifications
You must be signed in to change notification settings
Fork
9k
Star
49.9k
Code
Issues
5k+
Pull requests
2.3k
Discussions
Actions
Projects
Wiki
Security and quality
7
Insights
Additional navigation options
Code
Issues
Pull requests
Discussions
Actions
Projects
Wiki
Security and quality
Insights
Commits
Breadcrumbs
History for
ClickHouse
src
DataTypes
DataTypeString.cpp
on
master
User selector
All users
Datepicker
All time
Commit history
Commits on Aug 11, 2026
Canonicalize embedded documentation links
Show description for 2f222bd
Blargian
committed
2f222bd
View commit details
Copy full SHA for 2f222bd
View code at this point
Browse repository at this point
Commits on Jul 25, 2026
Docs: use absolute links in source documentation
Show description for ae81d2e
Blargian
committed
ae81d2e
View commit details
Copy full SHA for ae81d2e
View code at this point
Browse repository at this point
Commits on May 31, 2026
Add embedded documentation for data types
Show description for a333412
alexey-milovidov
and
claude
committed
a333412
View commit details
Copy full SHA for a333412
View code at this point
Browse repository at this point
Commits on Mar 10, 2026
Merge branch 'master' of github.com:ClickHouse/ClickHouse into serialization-object-pool
Show description for 0043c31
nikitamikhaylov
committed
0043c31
View commit details
Copy full SHA for 0043c31
View code at this point
Browse repository at this point
Commits on Feb 10, 2026
Added a SerializationObjectPool, every SerializationObject is added and removed from the pool automatically
nikitamikhaylov
committed
76ebda2
View commit details
Copy full SHA for 76ebda2
View code at this point
Browse repository at this point
Commits on Jan 22, 2026
Propagate data types serialization versions to nested data types
Avogar
committed
056b81b
View commit details
Copy full SHA for 056b81b
View code at this point
Browse repository at this point
Commits on Dec 11, 2025
Enable sparse nullable consistently
amosbird
committed
3dc690a
View commit details
Copy full SHA for 3dc690a
View code at this point
Browse repository at this point
Commits on Nov 24, 2025
Add nullable_serialization_version setting to control Nullable(T) serialization compatibility
amosbird
committed
2f72b0f
View commit details
Copy full SHA for 2f72b0f
View code at this point
Browse repository at this point
Commits on Oct 25, 2025
Merge branch 'master' into lazy-column-replication
Avogar
authored
22648a9
View commit details
Copy full SHA for 22648a9
View code at this point
Browse repository at this point
Commits on Oct 22, 2025
add docs
scanhex12
committed
73dca6f
View commit details
Copy full SHA for 73dca6f
View code at this point
Browse repository at this point
start
scanhex12
committed
daf9661
View commit details
Copy full SHA for daf9661
View code at this point
Browse repository at this point
Commits on Oct 17, 2025
Implement lazy columns replication in JOIN and ARRAY JOIN
Avogar
committed
2b6cb36
View commit details
Copy full SHA for 2b6cb36
View code at this point
Browse repository at this point
Commits on Sep 23, 2025
Address more reviews
amosbird
committed
bb2b03f
View commit details
Copy full SHA for bb2b03f
View code at this point
Browse repository at this point
Commits on Sep 18, 2025
Address review comments to use versions
amosbird
committed
bf489ba
View commit details
Copy full SHA for bf489ba
View code at this point
Browse repository at this point
Commits on Sep 13, 2025
Address review comments
amosbird
committed
26dbffa
View commit details
Copy full SHA for 26dbffa
View code at this point
Browse repository at this point
Commits on Sep 11, 2025
Store string length in a separate stream
Show description for 8002ffa
amosbird
committed
8002ffa
View commit details
Copy full SHA for 8002ffa
View code at this point
Browse repository at this point
Commits on Jul 17, 2024
Make CaseSensitiveness an enum class
rschu1ze
committed
79402aa
View commit details
Copy full SHA for 79402aa
View code at this point
Browse repository at this point
Commits on Jan 23, 2023
Better formatting for exception messages (#45449)
Show description for 70d1adf
tavplubix
authored
70d1adf
View commit details
Copy full SHA for 70d1adf
View code at this point
Browse repository at this point
Commits on Jan 21, 2022
to MaterializeMySQL_support_set_and_other_dataType
zzsmdfj
committed
411f43e
View commit details
Copy full SHA for 411f43e
View code at this point
Browse repository at this point
MaterializeMySQL support SET YEAR TIME GEOMETRY dataType
zzsmdfj
committed
e380e59
View commit details
Copy full SHA for e380e59
View code at this point
Browse repository at this point
Commits on Dec 3, 2021
MaterializedMySQL support VARBINARY type
zzsmdfj
committed
4fbfc7c
View commit details
Copy full SHA for 4fbfc7c
View code at this point
Browse repository at this point
Commits on Oct 14, 2021
better interfaces for IDataType and ISerialization
CurtizJ
committed
92413ae
View commit details
Copy full SHA for 92413ae
View code at this point
Browse repository at this point
Commits on Mar 9, 2021
return back data types
CurtizJ
committed
be540e4
View commit details
Copy full SHA for be540e4
View code at this point
Browse repository at this point
move data types to serializations
CurtizJ
committed
1e61f64
View commit details
Copy full SHA for 1e61f64
View code at this point
Browse repository at this point
Commits on Feb 17, 2021
Improved serialization for data types combined of Arrays and Tuples.
Show description for 18e036d
Vitaly Baranov
committed
18e036d
View commit details
Copy full SHA for 18e036d
View code at this point
Browse repository at this point
Commits on Dec 2, 2020
rename function name
nautaa
committed
4cc56c2
View commit details
Copy full SHA for 4cc56c2
View code at this point
Browse repository at this point
Commits on Oct 17, 2020
ISSUES-15883 support zero length argument with string type
zhang2014
committed
d084e05
View commit details
Copy full SHA for d084e05
View code at this point
Browse repository at this point
Commits on Jul 30, 2020
another removes
nikitamikhaylov
committed
4d49d2c
View commit details
Copy full SHA for 4d49d2c
View code at this point
Browse repository at this point
Commits on Jun 27, 2020
Fix typos
alexey-milovidov
committed
1462a66
View commit details
Copy full SHA for 1462a66
View code at this point
Browse repository at this point
Commits on Jun 18, 2020
separate parser for data type
tavplubix
committed
acd0d3c
View commit details
Copy full SHA for acd0d3c
View code at this point
Browse repository at this point
Commits on Jun 14, 2020
Merge branch 'master' into multiword_data_type
tavplubix
committed
045f804
View commit details
Copy full SHA for 045f804
View code at this point
Browse repository at this point
Commits on Jun 10, 2020
Merge pull request #11028 from Potya/master
Show description for d6e1662
Vitaly Baranov
authored
d6e1662
View commit details
Copy full SHA for d6e1662
View code at this point
Browse repository at this point
Commits on Jun 7, 2020
Add better code
Potya
committed
8049662
View commit details
Copy full SHA for 8049662
View code at this point
Browse repository at this point
Commits on May 27, 2020
Fix style errors
Potya
committed
3ee757d
View commit details
Copy full SHA for 3ee757d
View code at this point
Browse repository at this point
Commits on May 26, 2020
Add some multiword data types
Potya
committed
2919f67
View commit details
Copy full SHA for 2919f67
View code at this point
Browse repository at this point
Previous
Next
You can’t perform that action at this time.
Vitaly Baranov
