/**
* Special handling for PDO query().
* All bind parameter names must begin with ':'
*
* @param string|\Micro\Database\Select $sql The SQL statement with placeholders.
* @param array $bind An array of data to bind to the placeholders.
* @return \Micro\Database\Statement\Pdo
* @throws \Micro\Database\Statement\Exception To re-throw \PDOException.
*/
public function query($sql, $bind = array())
{
if (empty($bind) && $sql instanceof Select) {
$bind = $sql->getBind();
}
if (is_array($bind)) {
foreach ($bind as $name => $value) {
if (!is_int($name) && !preg_match('/^:/', $name)) {
$newName = ":{$name}";
unset($bind[$name]);
$bind[$newName] = $value;
}
}
}
try {
return parent::query($sql, $bind);
} catch (\PDOException $e) {
throw new StatementException($e->getMessage(), $e->getCode(), $e);
}
}
public function applyWhereConditions(Select $select)
{
foreach ($this->where as $field => $condition) {
if ($condition instanceof Expr) {
$select->where($condition);
continue;
}
if (is_array($condition)) {
$select->where($field . ' IN (?)', $condition);
} elseif (is_string($condition && preg_match('/(^%|%$)/i', $condition))) {
$select->where($field . ' LIKE ?', $condition);
} else {
$select->where($field . ' = ?', $condition);
}
}
}
/**
* Returns an array of items for a page.
*
* @param integer $offset Page offset
* @param integer $itemCountPerPage Number of items per page
* @return array
*/
public function getItems($offset = \null, $itemCountPerPage = \null)
{
$this->_select->limit($itemCountPerPage, $offset);
return $this->_select->query()->fetchAll();
}
/**
* Performs a validation on the select query before passing back to the parent class.
* Ensures that only columns from the primary \Micro\Database\Table\TableAbstract are returned in the result.
*
* @return string|null This object as a SELECT string (or null if a string cannot be produced)
*/
public function assemble()
{
$fields = $this->getPart(Select::COLUMNS);
$primary = $this->_info[TableAbstract::NAME];
$schema = $this->_info[TableAbstract::SCHEMA];
if (count($this->_parts[self::UNION]) == 0) {
// If no fields are specified we assume all fields from primary table
if (!count($fields)) {
$this->from($primary, self::SQL_WILDCARD, $schema);
$fields = $this->getPart(Select::COLUMNS);
}
$from = $this->getPart(Select::FROM);
if ($this->_integrityCheck !== false) {
foreach ($fields as $columnEntry) {
list($table, $column) = $columnEntry;
// Check each column to ensure it only references the primary table
if ($column) {
if (!isset($from[$table]) || $from[$table]['tableName'] != $primary) {
throw new Exception('Select query cannot join with another table');
}
}
}
}
}
return parent::assemble();
}
