Use the {@link getTableInfo} method to retrieve a table information.
function __construct()
{
if (!class_exists("TActiveRecordManager", false)) {
throw new Exception("You need to enable the ActiveRecord module in your application configuration file.");
}
$ar_manager = TActiveRecordManager::getInstance();
$_conn = $ar_manager->getDbConnection();
$_conn->Active = true;
$this->_dbMetaData = TDbMetaData::getInstance($_conn);
}
public function create(TSqlMapManager $manager, $connection, $statement, $parameterObject, $skip = null, $max = null)
{
$sqlText = $statement->getSQLText();
$prepared = $sqlText->getPreparedStatement($parameterObject);
$connection->setActive(true);
$sql = $prepared->getPreparedSql();
if ($sqlText instanceof TSimpleDynamicSql) {
$sql = $sqlText->replaceDynamicParameter($sql, $parameterObject);
}
if ($max !== null || $skip !== null) {
$builder = TDbMetaData::getInstance($connection)->createCommandBuilder();
$sql = $builder->applyLimitOffset($sql, $max, $skip);
}
$command = $connection->createCommand($sql);
$this->applyParameterMap($manager, $command, $prepared, $statement, $parameterObject);
return $command;
}
/**
* Quotes a column alias for use in a query.
* @param string $name column alias
* @return string the properly quoted column alias
*/
public function quoteColumnAlias($name)
{
return parent::quoteColumnAlias($name, '`', '`');
}
/**
* @return TDbMetaData
*/
public function getDbMetaData()
{
if ($this->_dbMeta === null) {
$this->_dbMeta = TDbMetaData::getInstance($this);
}
return $this->_dbMeta;
}
/**
* Sets up the command builder for the given table.
* @param string table or view name.
*/
protected function setTableName($tableName)
{
$meta = TDbMetaData::getInstance($this->getDbConnection());
$this->initCommandBuilder($meta->createCommandBuilder($tableName));
}
/**
* Returns table information for table in the database connection.
* @param TDbConnection database connection
* @param string table name
* @return TDbTableInfo table details.
*/
public function getTableInfo(TDbConnection $connection, $tableName)
{
$connStr = $connection->getConnectionString();
$key = $connStr . $tableName;
if (!isset($this->_tables[$key])) {
//call this first to ensure that unserializing the cache
//will find the correct driver dependent classes.
if (!isset($this->_meta[$connStr])) {
$this->_meta[$connStr] = TDbMetaData::getInstance($connection);
}
$tableInfo = null;
if (($cache = $this->getManager()->getCache()) !== null) {
$tableInfo = $cache->get($key);
}
if (empty($tableInfo)) {
$tableInfo = $this->_meta[$connStr]->getTableInfo($tableName);
if ($cache !== null) {
$cache->set($key, $tableInfo);
}
}
$this->_tables[$key] = $tableInfo;
}
return $this->_tables[$key];
}