Sql_cmd_handler_read Class Reference

#include <sql_handler.h>

Inheritance diagram for Sql_cmd_handler_read:

List of all members.

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)

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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.

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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.

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

• sql_handler.h
• sql_handler.cc