database_mover Class Reference

Inheritance diagram for database_mover:

Collaboration diagram for database_mover:

Public Member Functions
	__construct (moodle_database $mdb_source, moodle_database $mdb_target, $check_schema=true, progress_trace $feeback=null)
	set_transaction_mode ($mode)
	begin_database_export ($version, $release, $timestamp, $description)
	begin_table_export (xmldb_table $table)
	export_table_data (xmldb_table $table, $data)
	finish_table_export (xmldb_table $table)
	finish_database_export ()
Protected Attributes
	$importer
	$feeback

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Detailed Description

Definition at line 30 of file database_mover.php.

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Constructor & Destructor Documentation

__construct	(	moodle_database $	mdb_source,
		moodle_database $	mdb_target,
		$	check_schema = true,
		progress_trace $	feeback = null
	)

Object constructor.

Parameters:

moodle_database

$mdb

Connection to the source database (a

See also:

moodle_database object).

Parameters:

moodle_database

$mdb_target

Connection to the target database (a

See also:

moodle_database object).

Parameters:

boolean

$check_schema

- whether or not to check that XML database schema matches the RDBMS database schema before exporting (used by

See also:

export_database).

Definition at line 46 of file database_mover.php.

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Member Function Documentation

begin_database_export	(	$	version,
		$	release,
		$	timestamp,
		$	description
	)

Callback function. Calls importer's begin_database_import callback method.

Parameters:

float	$version	the version of the system which generating the data
string	$timestamp	the timestamp of the data (in ISO 8601) format.
string	$description	a user description of the data.

Returns:

void

Reimplemented from database_exporter.

Definition at line 77 of file database_mover.php.

begin_table_export

(

xmldb_table $

table

)

Callback function. Calls importer's begin_table_import callback method.

Parameters:

xmldb_table

$table

- XMLDB object for the exported table

Returns:

void

Reimplemented from database_exporter.

Definition at line 88 of file database_mover.php.

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export_table_data	(	xmldb_table $	table,
		$	data
	)

Callback function. Calls importer's import_table_data callback method.

Parameters:

xmldb_table	$table	- XMLDB object of the table from which data was retrieved
object	$data	- data object (fields and values from record)

Returns:

void

Reimplemented from database_exporter.

Definition at line 101 of file database_mover.php.

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finish_database_export

(

)

Callback function. Calls importer's finish_database_import callback method.

Returns:

void

Reimplemented from database_exporter.

Definition at line 119 of file database_mover.php.

finish_table_export

(

xmldb_table $

table

)

Callback function. Calls importer's finish_table_import callback method.

Parameters:

xmldb_table

$table

- XMLDB object for the exported table

Returns:

void

Reimplemented from database_exporter.

Definition at line 110 of file database_mover.php.

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set_transaction_mode

(

$

mode

)

How to use transactions during the transfer.

Parameters:

string

$mode

'pertable', 'allinone' or 'none'.

Definition at line 65 of file database_mover.php.

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Field Documentation

$feeback [protected]

Definition at line 33 of file database_mover.php.

$importer [protected]

Importer object used to transfer data.

Definition at line 32 of file database_mover.php.

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

• C:/xampp/htdocs/moodle/lib/dtl/database_mover.php