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MDEV-8605 MariaDB not use DEFAULT value even when inserted NULL for NOT NULLABLE column

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NOT NULL constraint must be checked *after* the BEFORE triggers.
That is for INSERT and UPDATE statements even NOT NULL fields
must be able to store a NULL temporarily at least while
BEFORE INSERT/UPDATE triggers are running.
This commit is contained in:
Sergei Golubchik
2015-11-14 22:51:54 +01:00
parent ad5db17e88
commit 0686c34d22
22 changed files with 898 additions and 85 deletions
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sql/sql_base.h
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@ -150,6 +150,7 @@ bool find_and_use_temporary_table(THD *thd, const TABLE_LIST *tl,
TABLE *find_temporary_table(THD *thd, const char *table_key,
uint table_key_length);
void close_thread_tables(THD *thd);
void switch_to_nullable_trigger_fields(List<Item> &items, TABLE *);
bool fill_record_n_invoke_before_triggers(THD *thd, TABLE *table,
List<Item> &fields,
List<Item> &values,