ydb/yql/essentials/tests/sql/suites/blocks/guess_struct.yql, branch main Mirror of YDB github repos https://code.mastervirt.ru/ydb/atom?h=main 2026-06-26T09:00:47Z YQL-21315: Implement block guess 2026-06-26T09:00:47Z atarasov5 atarasov5@yandex-team.com 2026-06-26T08:29:42Z urn:sha1:2db9f0c19f62105ce3a9ea4a4322946c5c19f594 #### Implement BlockGuess functionality for variant type extraction ✎ - Introduces BlockGuess functionality to extract specific alternatives from variant types, supporting both tuple and struct variants - Adds type annotation and runtime implementation for BlockGuess operations with proper validation and error handling - Implements peephole optimization support for BlockGuess operations to improve query execution plans - Includes comprehensive unit tests and SQL format validation for various BlockGuess scenarios - Updates runtime version to 79 to enable new BlockGuess features and ensures backward compatibility <a href="https://nda.ya.ru/t/qa0kX64r7DqvtN"><font size="2">Autodescription by Yandex Code Assistant</font></a> commit_hash:e8f7fc2859cc1986ee0d5fba8b3e25bbf9ba4c41