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| if (!exists_expression) | ||
| return; | ||
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| /// EXISTS(subquery) --> 1 IN (SELECT 1 FROM subquery LIMIT 1) |
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Does LIMIT pushdown work alright?
CC @KochetovNicolai
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It should.
Some things may be still improved for exists, e.g. we don't have to wait for GROUP BY
alexey-milovidov
approved these changes
Oct 4, 2021
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Cannot merge, tests have failed :( |
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24 tasks
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Internal documentation ticket: DOCSUP-17653 |
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Support EXISTS(subquery). Closes #6852.