/**
* Any migration code in here is wrapped inside of a transaction.
*
* @return bool
*/
public function safeUp()
{
if (!craft()->db->tableExists('searchindex')) {
// Taking the scenic route here so we can get to MysqlSchema's $engine argument
$table = DbHelper::addTablePrefix('searchindex');
$columns = array('elementId' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Int, 'null' => false)), 'attribute' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Varchar, 'maxLength' => 25, 'null' => false)), 'fieldId' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Int, 'null' => false)), 'locale' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Locale, 'null' => false)), 'keywords' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Text, 'null' => false)));
$this->execute(craft()->db->getSchema()->createTable($table, $columns, null, 'MyISAM'));
// Give it a composite primary key
$this->addPrimaryKey('searchindex', 'elementId,attribute,fieldId,locale');
// Add the FULLTEXT index on `keywords`
$this->execute('CREATE FULLTEXT INDEX ' . craft()->db->quoteTableName(DbHelper::getIndexName('searchindex', 'keywords')) . ' ON ' . craft()->db->quoteTableName($table) . ' ' . '(' . craft()->db->quoteColumnName('keywords') . ')');
Craft::log('Successfully added the `searchindex` table with a fulltext index on `keywords`.', LogLevel::Info, true);
} else {
Craft::log('Tried to add the `searchindex` table, but it already exists.', LogLevel::Warning, true);
}
return true;
}
/**
* Creates the searchindex table.
*
* @access private
*/
private function _createSearchIndexTable()
{
Craft::log('Creating the searchindex table.');
// Taking the scenic route here so we can get to MysqlSchema's $engine argument
$table = DbHelper::addTablePrefix('searchindex');
$columns = array('elementId' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Int, 'null' => false)), 'attribute' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Varchar, 'maxLength' => 25, 'null' => false)), 'fieldId' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Int, 'null' => false)), 'locale' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Locale, 'null' => false)), 'keywords' => DbHelper::generateColumnDefinition(array('column' => ColumnType::Text, 'null' => false)));
craft()->db->createCommand()->setText(craft()->db->getSchema()->createTable($table, $columns, null, 'MyISAM'))->execute();
// Give it a composite primary key
craft()->db->createCommand()->addPrimaryKey('searchindex', 'elementId,attribute,fieldId,locale');
// Add the FULLTEXT index on `keywords`
craft()->db->createCommand()->setText('CREATE FULLTEXT INDEX ' . craft()->db->quoteTableName(DbHelper::getIndexName('searchindex', 'keywords')) . ' ON ' . craft()->db->quoteTableName($table) . ' ' . '(' . craft()->db->quoteColumnName('keywords') . ')')->execute();
Craft::log('Finished creating the searchindex table.');
}
/**
* Returns whether a table exists.
*
* @param string $table
* @param bool $refresh
* @return bool
*/
public function tableExists($table, $refresh = null)
{
// Default to refreshing the tables if Craft isn't installed yet
if ($refresh || $refresh === null && !Craft::isInstalled()) {
$this->getSchema()->refresh();
}
$table = DbHelper::addTablePrefix($table);
return in_array($table, $this->getSchema()->getTableNames());
}
/**
* Get SQL bit for sub-selects.
*
* @access private
* @param string $where
* @return string
*/
private function _sqlSubSelect($where)
{
return sprintf("%s IN (SELECT %s FROM %s WHERE %s)", craft()->db->quoteColumnName('elementId'), craft()->db->quoteColumnName('elementId'), craft()->db->quoteTableName(DbHelper::addTablePrefix('searchindex')), $where);
}
/**
* @param string $table
* @param string $columns
* @return int
*/
public function dropPrimaryKey($table, $columns)
{
$name = DbHelper::getPrimaryKeyName($table, $columns);
$table = DbHelper::addTablePrefix($table);
return parent::dropPrimaryKey($name, $table);
}