CI_Migration Class Reference

Public Member Functions
	__construct ($config=array())
	version ($target_version)
	latest ()
	current ()
	error_string ()
	__get ($var)

Protected Member Functions
	find_migrations ()
	_get_version ()
	_update_version ($migrations)

Protected Attributes
	$_migration_enabled = FALSE
	$_migration_path = NULL
	$_migration_version = 0
	$_error_string = ''

Member Function Documentation

__get

(

$var)

Enable the use of CI super-global

Parameters

mixed

$var

Returns

mixed

_get_version ( )

protected

Retrieves current schema version

Returns

int Current Migration

_update_version (   $migrations)

protected

Stores the current schema version

Parameters

int	Migration reached

Returns

bool

current

(

)

Set's the schema to the migration version set in config

Returns

mixed true if already current, false if failed, int if upgraded

error_string

(

)

Error string

Returns

string Error message returned as a string

find_migrations ( )

protected

Set's the schema to the latest migration

Returns

mixed true if already latest, false if failed, int if upgraded

latest

(

)

Set's the schema to the latest migration

Returns

mixed true if already latest, false if failed, int if upgraded

version

(

$target_version)

Migrate to a schema version

Calls each migration step required to get to the schema version of choice

Parameters

int	Target schema version

Returns

mixed TRUE if already latest, FALSE if failed, int if upgraded

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

• system/libraries/Migration.php