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various cleanups

* remove a confusing method name - Field::set_default_expression()
* remove handler::register_columns_for_write()
* rename stuff
* add asserts
* remove unlikely unlikely
* remove redundant if() conditions
* fix mark_unsupported_function() to report the most important violation
* don't scan vfield list for default values (vfields don't have defaults)
* move handling for DROP CONSTRAINT IF EXIST where it belongs
* don't protect engines from Alter_inplace_info::ALTER_ADD_CONSTRAINT
* comments
This commit is contained in:
Sergei Golubchik
2016-06-29 21:27:34 +02:00
parent 047d762d51
commit f93a2a3b3b
20 changed files with 145 additions and 183 deletions

View File

@ -139,7 +139,7 @@ TABLE_LIST *find_table_in_list(TABLE_LIST *table,
const char *table_name);
void close_thread_tables(THD *thd);
void switch_to_nullable_trigger_fields(List<Item> &items, TABLE *);
void switch_to_nullable_trigger_fields(Field **info, TABLE *table);
void switch_defaults_to_nullable_trigger_fields(TABLE *table);
bool fill_record_n_invoke_before_triggers(THD *thd, TABLE *table,
List<Item> &fields,
List<Item> &values,