Inheritance diagram for Sql_cmd_handler_read:

Collaboration diagram for Sql_cmd_handler_read:

Public Member Functions
	Sql_cmd_handler_read (enum_ha_read_modes read_mode, const char key_name, List< Item > key_expr, ha_rkey_function rkey_mode)
virtual enum_sql_command	sql_command_code () const
	Return the command code for this statement.
virtual bool	execute (THD *thd)

Additional Inherited Members
Static Public Member Functions inherited from Sql_alloc
static void *	operator new (size_t size) throw ()
static void *	operator new[] (size_t size) throw ()
static void *	operator new[] (size_t size, MEM_ROOT *mem_root) throw ()
static void *	operator new (size_t size, MEM_ROOT *mem_root) throw ()
static void	operator delete (void *ptr, size_t size)
static void	operator delete (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void ptr, MEM_ROOT mem_root)
static void	operator delete[] (void *ptr, size_t size)

Detailed Description

Sql_cmd_handler_read represents HANDLER READ statement.

Note: Some information about this statement, for example, table list element which identifies HANDLER to be read from, WHERE and LIMIT clauses is still kept in LEX class.

Definition at line 59 of file sql_handler.h.

Member Function Documentation

bool Sql_cmd_handler_read::execute ( THD * thd )

virtual

Execute a HANDLER READ statement.

Parameters

thd	The current thread.

Note: Closes the table that is associated (on the handler tables hash) with the name (TABLE_LIST::alias) of the specified table.

Return values

FALSE	on success.
TRUE	on failure.

Implements Sql_cmd.

Definition at line 495 of file sql_handler.cc.

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