CI_DB_pdo_forge Class Reference

Inheritance diagram for CI_DB_pdo_forge:

Public Member Functions
	_create_database ()
	_drop_database ($name)
	_create_table ($table, $fields, $primary_keys, $keys, $if_not_exists)
	_drop_table ($table)
	_alter_table ($alter_type, $table, $column_name, $column_definition= '', $default_value= '', $null= '', $after_field= '')
	_rename_table ($table_name, $new_table_name)
Public Member Functions inherited from CI_DB_forge
	__construct ()
	create_database ($db_name)
	drop_database ($db_name)
	add_key ($key= '', $primary=FALSE)
	add_field ($field= '')
	create_table ($table= '', $if_not_exists=FALSE)
	drop_table ($table_name)
	rename_table ($table_name, $new_table_name)
	add_column ($table= '', $field=array(), $after_field= '')
	drop_column ($table= '', $column_name= '')
	modify_column ($table= '', $field=array())
	_reset ()

Additional Inherited Members
Data Fields inherited from CI_DB_forge
	$fields = array()
	$keys = array()
	$primary_keys = array()
	$db_char_set = ''

Member Function Documentation

_alter_table	(		$alter_type,
			$table,
			$column_name,
			$column_definition = '',
			$default_value = '',
			$null = '',
			$after_field = ''
	)

Alter table query

Generates a platform-specific query so that a table can be altered Called by add_column(), drop_column(), and column_alter(),

private

Parameters

string	the ALTER type (ADD, DROP, CHANGE)
string	the column name
string	the table name
string	the column definition
string	the default value
boolean	should 'NOT NULL' be added
string	the field after which we should add the new field

Returns

object

_create_database

(

)

Create database

private

Parameters

string

the database name

Returns

bool

_create_table	(		$table,
			$fields,
			$primary_keys,
			$keys,
			$if_not_exists
	)

Create Table

private

Parameters

string	the table name
array	the fields
mixed	primary key(s)
mixed	key(s)
boolean	should 'IF NOT EXISTS' be added to the SQL

Returns

bool

_drop_database

(

$name)

Drop database

private

Parameters

string

the database name

Returns

bool

_drop_table

(

$table)

Drop Table

private

Returns

bool

_rename_table	(		$table_name,
			$new_table_name
	)

Rename a table

Generates a platform-specific query so that a table can be renamed

private

Parameters

string	the old table name
string	the new table name

Returns

string

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

• system/database/drivers/pdo/pdo_forge.php