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MDL-21432 backup - move all the files handling on restore to use new backup_files_temp table

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This commit is contained in:
Eloy Lafuente
2010-07-18 11:13:03 +00:00
parent 8bc29d46b4
commit b8bb45b001
5 changed files with 59 additions and 44 deletions
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backup/util/dbops/backup_controller_dbops.class.php
+13 -5
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@@ -85,16 +85,24 @@ abstract class backup_controller_dbops extends backup_dbops {
}
public static function create_backup_ids_temp_table($backupid) {
self::create_temptable_from_real_table($backupid, 'backup_ids_template', 'backup_ids_temp');
}
/**
* Given one "real" tablename, create one temp table suitable for be used in backup/restore operations
*/
public static function create_temptable_from_real_table($backupid, $realtablename, $temptablename) {
global $CFG, $DB;
$dbman = $DB->get_manager(); // We are going to use database_manager services
// Note: For now we are going to load the backup_ids_template from core lib/db/install.xml
// Note: For now we are going to load the realtablename from core lib/db/install.xml
// that way, any change in the "template" will be applied here automatically. If this causes
// too much slow, we can always forget about the template and keep maintained the xmldb_table
// structure inline - manually - here.
$templatetablename = 'backup_ids_template';
$targettablename = 'backup_ids_temp';
$xmldb_file = new xmldb_file($CFG->dirroot . '/lib/db/install.xml');
$templatetablename = $realtablename;
$targettablename = $temptablename;
$xmlfile = $CFG->dirroot . '/lib/db/install.xml';
$xmldb_file = new xmldb_file($xmlfile);
if (!$xmldb_file->fileExists()) {
throw new ddl_exception('ddlxmlfileerror', null, 'File does not exist');
}
@@ -105,7 +113,7 @@ abstract class backup_controller_dbops extends backup_dbops {
$xmldb_structure = $xmldb_file->getStructure();
$xmldb_table = $xmldb_structure->getTable($templatetablename);
if (is_null($xmldb_table)) {
throw new ddl_exception('ddlunknowntable', null, 'The table ' . $templatetablename . ' is not defined in file ' . $file);
throw new ddl_exception('ddlunknowntable', null, 'The table ' . $templatetablename . ' is not defined in file ' . $xmlfile);
}
// Set default backupid (not needed but this enforce any missing backupid). That's hackery in action!
$xmldb_table->getField('backupid')->setDefault($backupid);