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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_load.cc
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@@ -295,6 +295,9 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
if (setup_fields(thd, 0, set_values, MARK_COLUMNS_READ, 0, 0))
DBUG_RETURN(TRUE);
}
switch_to_nullable_trigger_fields(fields_vars, table);
switch_to_nullable_trigger_fields(set_fields, table);
switch_to_nullable_trigger_fields(set_values, table);
table->prepare_triggers_for_insert_stmt_or_event();
table->mark_columns_needed_for_insert();