Strategy for prelocking algorithm to be used for ALTER TABLE statements. More...

#include <sql_base.h>

Inheritance diagram for Alter_table_prelocking_strategy:

Public Member Functions
bool	handle_routine (THD thd, Query_tables_list prelocking_ctx, Sroutine_hash_entry rt, sp_head sp, bool *need_prelocking) override
	Defines how prelocking algorithm for ALTER TABLE statement should handle routines - do nothing as this statement is not supposed to call routines. More...

bool	handle_table (THD thd, Query_tables_list prelocking_ctx, Table_ref table_list, bool need_prelocking) override
	Defines how prelocking algorithm for ALTER TABLE statement should handle table list elements. More...

bool	handle_view (THD thd, Query_tables_list prelocking_ctx, Table_ref table_list, bool need_prelocking) override
	Defines how prelocking algorithm for ALTER TABLE statement should handle view - do nothing. More...

Public Member Functions inherited from Prelocking_strategy
virtual	~Prelocking_strategy ()=default

Detailed Description

Strategy for prelocking algorithm to be used for ALTER TABLE statements.

Unlike DML or LOCK TABLES strategy, it doesn't prelock triggers, views or stored routines, since they are not used during ALTER.

The documentation for this class was generated from the following files:

Public Member Functions