Make the behavior of the substring function consistent with Spark - Githubissues

Kyligence / ClickHouse

ClickHouse® is a free analytics DBMS for big data

https://clickhouse.com

Apache License 2.0

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Make the behavior of the substring function consistent with Spark #445

Open leejaywei opened 1 year ago

leejaywei commented 1 year ago

Changelog category (leave one):

New Feature
Improvement
Bug Fix (user-visible misbehavior in an official stable release)
Performance Improvement
Backward Incompatible Change
Build/Testing/Packaging Improvement
Documentation (changelog entry is not required)
Not for changelog (changelog entry is not required)

Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):

...

Documentation entry for user-facing changes

[ ] Documentation is written (mandatory for new features)

Information about CI checks: https://clickhouse.com/docs/en/development/continuous-integration/

kyligence-git commented 1 year ago

Can one of the admins verify this patch?