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MDEV-17325 NULL-ability problems with LEAST() in combination with NO_ZERO_DATE and NO_ZERO_IN_DATE

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This commit is contained in:
Alexander Barkov
2018-09-29 21:20:24 +04:00
parent ad8e02ac45
commit 23740441d8
4 changed files with 284 additions and 0 deletions
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2
sql/sql_type.h
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@ -3283,6 +3283,8 @@ public:
Item *source_expr, Item *source_const) const;
bool subquery_type_allows_materialization(const Item *inner,
const Item *outer) const;
bool Item_func_min_max_fix_attributes(THD *thd, Item_func_min_max *func,
Item **items, uint nitems) const;
bool Item_sum_hybrid_fix_length_and_dec(Item_sum_hybrid *func) const;
bool Item_sum_sum_fix_length_and_dec(Item_sum_sum *) const;
bool Item_sum_avg_fix_length_and_dec(Item_sum_avg *) const;