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| author | azevaykin <[email protected]> | 2026-07-07 11:48:39 +0300 |
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| committer | azevaykin <[email protected]> | 2026-07-07 12:26:27 +0300 |
| commit | 65fbcdc91d53bb48efff3bb41c23732b6c4b32fc (patch) | |
| tree | 386abfc1246cca980ba9f9df5c1cd55c47bff3d6 /contrib/python/PyYAML | |
| parent | 1540d7662ca2b227ab3fd14d6787ec662df0f31f (diff) | |
KIKIMR-25621: Introduce multi-column statistics
#### Introduce multi-column statistics support ✎
- Adds support for defining multi-column statistics in table schemas, allowing users to specify statistics for combinations of columns rather than individual columns
- Introduces new SQL syntax for CREATE TABLE and ALTER TABLE statements to declare statistics with optional type specifications
- Implements validation for statistics definitions, ensuring column references are valid and names are unique
- Extends the query processing pipeline to handle statistics declarations during table creation and modification operations
- Updates syntax highlighting and parsing rules to recognize the new statistics keyword and related constructs
- Adds comprehensive unit tests covering various statistics scenarios including multi-column definitions, type specifications, and validation rules
<a href="https://nda.ya.ru/t/qa0kX64r7DqvtN"><font size="2">Autodescription by Yandex Code Assistant</font></a>
commit_hash:5ca3f8721d3e3660f2bb890c1408e420cf7c3e81
Diffstat (limited to 'contrib/python/PyYAML')
0 files changed, 0 insertions, 0 deletions