Alter_table_ctx Class Reference

#include <sql_alter.h>

Collaboration diagram for Alter_table_ctx:

Public Member Functions
	Alter_table_ctx (THD *thd, TABLE_LIST *table_list, uint tables_opened_arg, char *new_db_arg, char *new_name_arg)
bool	is_database_changed () const
bool	is_table_renamed () const
const char *	get_new_filename () const
const char *	get_path () const
const char *	get_new_path () const
const char *	get_tmp_path () const
void	set_fk_error_if_delete_row (FOREIGN_KEY_INFO *fk)

Public Attributes
Create_field *	datetime_field
bool	error_if_not_empty
uint	tables_opened
char *	db
char *	table_name
char *	alias
char *	new_db
char *	new_name
char *	new_alias
char	tmp_name [80]
bool	fk_error_if_delete_row
const char *	fk_error_id
const char *	fk_error_table

Detailed Description

Runtime context for ALTER TABLE.

Definition at line 260 of file sql_alter.h.

Member Function Documentation

const char* Alter_table_ctx::get_new_filename ( ) const

inline

Returns

filename (including .frm) for the new table.

Definition at line 283 of file sql_alter.h.

const char* Alter_table_ctx::get_new_path ( ) const

inline

Returns

path to the new table.

Definition at line 301 of file sql_alter.h.

const char* Alter_table_ctx::get_path ( ) const

inline

Returns

path to the original table.

Definition at line 292 of file sql_alter.h.

const char* Alter_table_ctx::get_tmp_path ( ) const

inline

Returns

path to the temporary table created during ALTER TABLE.

Definition at line 310 of file sql_alter.h.

bool Alter_table_ctx::is_database_changed ( ) const

inline

Returns

true if the table is moved to another database, false otherwise.

Definition at line 271 of file sql_alter.h.

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bool Alter_table_ctx::is_table_renamed ( ) const

inline

Returns

true if the table is renamed, false otherwise.

Definition at line 277 of file sql_alter.h.

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void Alter_table_ctx::set_fk_error_if_delete_row ( FOREIGN_KEY_INFO *  fk )

inline

Mark ALTER TABLE as needing to produce foreign key error if it deletes a row from the table being changed.

Definition at line 317 of file sql_alter.h.

Member Data Documentation

const char* Alter_table_ctx::fk_error_id

Name of foreign key for the above error.

Definition at line 342 of file sql_alter.h.

bool Alter_table_ctx::fk_error_if_delete_row

Indicates that if a row is deleted during copying of data from old version of table to the new version ER_FK_CANNOT_DELETE_PARENT error should be emitted.

Definition at line 340 of file sql_alter.h.

const char* Alter_table_ctx::fk_error_table

Name of table for the above error.

Definition at line 344 of file sql_alter.h.

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

• sql/sql_alter.h
• sql/sql_alter.cc