/**
* @return Schema
*/
public function init()
{
$this->getDb()->query('USE ' . $this->getName());
$sql = 'show tables';
$tableNames = array();
$_tableNames = $this->_db->fetchAll($sql);
uasort($_tableNames, function ($a, $b) {
$v = reset($a);
$vv = reset($b);
if (substr($v, -5) == '_link' && substr($vv, -5) == '_link') {
if (substr_count($v, '_') == substr_count($vv, '_')) {
return strcmp($v, $vv);
} else {
return substr_count($v, '_') > substr_count($vv, '_');
}
} elseif (substr($v, -5) == '_link') {
return true;
} else {
if (substr_count($v, '_') == substr_count($vv, '_')) {
return strcmp($v, $vv);
} else {
return substr_count($v, '_') > substr_count($vv, '_');
}
}
});
foreach ($_tableNames as $name) {
$tableNames[] = reset($name);
}
if (!empty($tableNames)) {
foreach ($tableNames as $tableName) {
if ($tableName[0] == '_') {
continue;
}
$table = new Table($tableName, $this);
$this->addTable($table->init());
}
}
$this->initIndex();
/** @var Schema|Table[] $this */
foreach ($this as $table) {
/** @var Table|Column[] $table */
foreach ($table as $column) {
$column->init();
}
}
$this->initTableLinks();
return $this;
}
/**
* @param \Model\Cond\AbstractCond $cond
*
* @throws \Model\Db\Exception\ErrorException
* @throws \Model\Exception\ErrorException
* @return mixed
*/
public function fetchOne(Cond $cond = null)
{
$entity = $cond->getEntityName() ? $cond->getEntityName() : $this->getRawName();
$select = $this->prepareSelect($cond->limit(1), $entity);
if ($cond->checkCond(Cond::SHOW_QUERY) || $cond->checkCond(Cond::SHOW_QUERY_EXTENDED)) {
echo '<!--' . $select . "-->\n";
}
return $this->db->fetchOne($select->__toString(), $select->getBind());
}
/**
* Render ORDER clause
*
* @param string $sql SQL query
* @return string
*/
protected function _renderOrder($sql)
{
if ($this->_parts[self::ORDER]) {
$order = array();
foreach ($this->_parts[self::ORDER] as $term) {
if (is_array($term)) {
if (is_numeric($term[0]) && strval(intval($term[0])) == $term[0]) {
$order[] = (int) trim($term[0]) . ' ' . $term[1];
} else {
$order[] = $this->_adapter->quoteIdentifier($term[0], true) . ' ' . $term[1];
}
} else {
if (is_numeric($term) && strval(intval($term)) == $term) {
$order[] = (int) trim($term);
} else {
$order[] = $this->_adapter->quoteIdentifier($term, true);
}
}
}
$sql .= ' ' . self::SQL_ORDER_BY . ' ' . implode(', ', $order);
}
return $sql;
}