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MDEV-29924 Assertion `(((nr) % (1LL << 24)) % (int) log_10_int[6 - dec]) == 0' failed in my_time_packed_to_binary on SELECT when using TIME field

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when assigning the cached item to the Item_cache for the first time
make sure to use Item_cache::setup(), not Item_cache::store().
Because the former copies the metadata (and allocates memory, in case
of Item_cache_row), and Item_cache::decimal must be set for
comparisons to work correctly.
This commit is contained in:
Sergei Golubchik
2022-11-01 13:22:34 +01:00
parent 29633dc0c0
commit 1a3859fff0
3 changed files with 28 additions and 4 deletions
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4
sql/sql_class.cc
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@ -3753,8 +3753,10 @@ int select_max_min_finder_subselect::send_data(List<Item> &items)
{
cache= val_item->get_cache(thd);
set_op(val_item->type_handler());
cache->setup(thd, val_item);
}
cache->store(val_item);
else
cache->store(val_item);
it->store(0, cache);
}
it->assigned(1);