Andrey Mashenkov created IGNITE-15744:
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Summary: Incorrect vartable compaction to TINY format.
Key: IGNITE-15744
URL: https://issues.apache.org/jira/browse/IGNITE-15744
Project: Ignite
Issue Type: Bug
Affects Versions: 3.0.0-alpha2
Reporter: Andrey Mashenkov
Fix For: 3.0.0-alpha4
Var-table compaction may lead to row data corruption when {{TINY}} format is
selected
in case of 256+ empty (not null) varlen fields.
{{TINY}} format will be selected in this case, because payload size fit to a
single byte,
however, the size of vartable will be truncated{{ int->byte}} with overflow.
Possible fixes are:
* switch to {{MEDIUM}} format
* always use {{short}} for vartable size
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