Join with LowCardinality: downcast of address 0x7f3a18005340 which does not point to an object of type 'const DB::ColumnVector<DB::Int16>' #42380
Labels
comp-joins
JOINs
fuzz
Problem found by one of the fuzzers
testing
Special issue with list of bugs found by CI
Describe the bug
Found in https://s3.amazonaws.com/clickhouse-test-reports/42284/7b96a7b798813900504e0517cbb7ed5f93f8c3c1/fuzzer_astfuzzerubsan//report.html
Fatal output:
Query logs
How to reproduce
Managed to reproduce it in a ubsan build of master (link to today's build which is using HEAD == 191158f):
Assert:
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