database/mariadb-columnstore-engine
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Merge pull request #657 from mariadb-corporation/MCOL-2018

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MCOL-2018 Fix array bounds issue
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David.Hall 2018-12-13 09:24:33 -06:00 committed by GitHub
commit 289c163a73
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utils/rowgroup/rowgroup.h
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@ -1617,7 +1617,7 @@ inline bool StringStore::isNullValue(uint64_t off) const
return true;
if (mc->data[offset+4] == 0) // "" = NULL string for some reason...
return true;
return (*((uint64_t *) &mc->data[offset]+4) == *((uint64_t *) joblist::CPNULLSTRMARK.c_str()));
return (memcmp(&mc->data[offset+4], joblist::CPNULLSTRMARK.c_str(), 8) == 0);
}
inline bool StringStore::equals(const std::string &str, uint64_t off) const