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MDL-32323 cache structure of all tables and reset sequences only in table where id is primary key

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This commit is contained in:
Petr Skoda 2012-04-06 22:24:42 +02:00
parent fe35ccafe3
commit 0b9251e330
1 changed files with 46 additions and 7 deletions
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53
lib/phpunit/lib.php
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@ -40,6 +40,11 @@ class phpunit_util {
*/
protected static $tabledata = null;
/**
* @var array original structure of all database tables
*/
protected static $tablestructure = null;
/**
* @var array An array of globals cloned from CFG
*/
@ -137,6 +142,31 @@ class phpunit_util {
return self::$tabledata;
}
/**
* Returns structure of all tables right after installation.
* @static
* @return array $table=>$records
*/
protected static function get_tablestructure() {
global $CFG;
if (!file_exists("$CFG->dataroot/phpunit/tablestructure.ser")) {
// not initialised yet
return array();
}
if (!isset(self::$tablestructure)) {
$data = file_get_contents("$CFG->dataroot/phpunit/tablestructure.ser");
self::$tablestructure = unserialize($data);
}
if (!is_array(self::$tablestructure)) {
phpunit_bootstrap_error(1, 'Can not read dataroot/phpunit/tablestructure.ser or invalid format, reinitialize test database.');
}
return self::$tablestructure;
}
/**
* Reset all database tables to default values.
* @static
@ -158,6 +188,10 @@ class phpunit_util {
// not initialised yet
return false;
}
if (!$structure = self::get_tablestructure()) {
// not initialised yet
return false;
}
$trans = $DB->start_delegated_transaction(); // faster and safer
@ -171,8 +205,7 @@ class phpunit_util {
continue;
}
$firstrecord = reset($records);
if (property_exists($firstrecord, 'id')) {
if (isset($structure[$table]['id']) and $structure[$table]['id']->primary_key) {
if ($DB->count_records($table) >= count($records)) {
$currentrecords = $DB->get_records($table, array(), 'id ASC');
$changed = false;
@ -204,16 +237,16 @@ class phpunit_util {
}
$DB->delete_records($table, array());
if (property_exists($firstrecord, 'id')) {
$resetseq[$table] = $table;
}
$resetseq[$table] = $table;
foreach ($records as $record) {
$DB->import_record($table, $record, false, true);
}
}
// reset all sequences
foreach ($resetseq as $table) {
$DB->get_manager()->reset_sequence($table, true);
if (isset($structure[$table]['id']) and $structure[$table]['id']->primary_key) {
$DB->get_manager()->reset_sequence($table, true);
}
}
$trans->allow_commit();
@ -428,7 +461,7 @@ class phpunit_util {
return array(131, 'Can not use test database, try changing prefix');
}
if (!file_exists("$CFG->dataroot/phpunit/tabledata.ser")) {
if (!file_exists("$CFG->dataroot/phpunit/tabledata.ser") or !file_exists("$CFG->dataroot/phpunit/tablestructure.ser")) {
if (empty($tables)) {
return array(132, '');
} else {
@ -534,9 +567,11 @@ class phpunit_util {
// store data for all tables
$data = array();
$structure = array();
$tables = $DB->get_tables();
foreach ($tables as $table) {
$columns = $DB->get_columns($table);
$structure[$table] = $columns;
if (isset($columns['id'])) {
$data[$table] = $DB->get_records($table, array(), 'id ASC');
} else {
@ -548,6 +583,10 @@ class phpunit_util {
file_put_contents("$CFG->dataroot/phpunit/tabledata.ser", $data);
phpunit_boostrap_fix_file_permissions("$CFG->dataroot/phpunit/tabledata.ser");
$structure = serialize($structure);
file_put_contents("$CFG->dataroot/phpunit/tablestructure.ser", $structure);
phpunit_boostrap_fix_file_permissions("$CFG->dataroot/phpunit/tablestructure.ser");
// hash all plugin versions - helps with very fast detection of db structure changes
$hash = phpunit_util::get_version_hash();
file_put_contents("$CFG->dataroot/phpunit/versionshash.txt", $hash);