A condition information item. More...

#include <sql_get_diagnostics.h>

Inheritance diagram for Condition_information_item:

Public Types
enum	Name { CLASS_ORIGIN , SUBCLASS_ORIGIN , CONSTRAINT_CATALOG , CONSTRAINT_SCHEMA , CONSTRAINT_NAME , CATALOG_NAME , SCHEMA_NAME , TABLE_NAME , COLUMN_NAME , CURSOR_NAME , MESSAGE_TEXT , MYSQL_ERRNO , RETURNED_SQLSTATE }
	The name of a condition information item. More...

Public Member Functions
	Condition_information_item (Name name, Item *target)
	Constructor, used to represent a condition information item. More...

Item *	get_value (THD thd, const Sql_condition cond)
	Obtain value of this condition information item. More...

Public Member Functions inherited from Diagnostics_information_item
bool	set_value (THD thd, Item *value)
	Set a value for this item. More...

Private Member Functions
Item *	make_utf8_string_item (THD thd, const String str)
	Create an string item to represent a condition item string. More...

Private Attributes
Name	m_name
	The name of this condition information item. More...

Additional Inherited Members
Protected Member Functions inherited from Diagnostics_information_item
	Diagnostics_information_item (Item *target)
	Constructor, used to represent a diagnostics information item. More...

virtual	~Diagnostics_information_item ()
	Diagnostics_information_item objects are allocated in thd->mem_root. More...

Detailed Description

A condition information item.

Member Enumeration Documentation

◆ Name

enum Condition_information_item::Name

The name of a condition information item.

Enumerator
CLASS_ORIGIN
SUBCLASS_ORIGIN
CONSTRAINT_CATALOG
CONSTRAINT_SCHEMA
CONSTRAINT_NAME
CATALOG_NAME
SCHEMA_NAME
TABLE_NAME
COLUMN_NAME
CURSOR_NAME
MESSAGE_TEXT
MYSQL_ERRNO
RETURNED_SQLSTATE

Constructor & Destructor Documentation

◆ Condition_information_item()

Condition_information_item::Condition_information_item	(	Name	name,
		Item *	target
	)

inline

Constructor, used to represent a condition information item.

Parameters

name	The name of this item.
target	A target that gets the value of this item.

Member Function Documentation

◆ get_value()

Item * Condition_information_item::get_value	(	THD *	thd,
		const Sql_condition *	cond
	)

Obtain value of this condition information item.

Obtain the value of this condition information item in the context of a given condition.

Parameters

thd	The current thread.
cond	The SQL condition.

Return values

Item	representing the value.
NULL	on error.

◆ make_utf8_string_item()

Item * Condition_information_item::make_utf8_string_item	(	THD *	thd,
		const String *	str
	)

private

Create an string item to represent a condition item string.

Create an UTF-8 string item to represent a condition item string.

Remarks: The string might not have a associated charset. For example, this can be the case if the server does not or fails to process the error message file.; See "Design notes about Sql_condition::m_message_text." in sql_error.cc

Returns: Pointer to an string item, NULL on failure.

Member Data Documentation

◆ m_name

Name Condition_information_item::m_name

private

The name of this condition information item.

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

sql/sql_get_diagnostics.h
sql/sql_get_diagnostics.cc

Public Types

Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members