Fix INTERSECT and EXCEPT with sparse columns
#45987
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robot-ch-test-poll2
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pr-bugfix
alexey-milovidov
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Feb 3, 2023
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Changelog entry (a user-readable short description of the changes that goes to CHANGELOG.md):
Fix crash in
SELECTqueries withINTERSECTandEXCEPTmodifiers that read data from tables with enabled sparse columns (controlled by setting `ratio_of_defaults_for_sparse_serialization).Found by WingFuzz team with the help of Griffin tool.