moodle/moodle
3
0
Fork 0
mirror of https://github.com/moodle/moodle.git synced 2025-08-05 00:46:50 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

MDL-15671 support for table sequence resetting - code by Andrei Bautu (with minor modifications)

Browse source
This commit is contained in:
skodak 2008-08-25 12:52:49 +00:00
parent a3668b25c0
commit e16e38818e
6 changed files with 98 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

14
lib/dml/sqlite3_pdo_moodle_database.php
View file

@ -323,4 +323,18 @@ class sqlite3_pdo_moodle_database extends pdo_moodle_database {
}
return implode('||', $elements);
}
/**
* Reset a sequence to the id field of a table.
* @param string $table name of table
* @return bool success
*/
public function reset_sequence($table) {
// From http://sqlite.org/autoinc.html
if (!$this->get_manager()->table_exists($table)) {
return false;
}
$value = (int)$this->get_field_sql('SELECT MAX(id) FROM {'.$table.'}');
return $this->change_database_structure("UPDATE sqlite_sequence SET seq=$value WHERE name='$this->prefix$table'");
}
}