public function getSqlStatement()
{
$statement = new \Maestro\Database\MSQL();
if (count($this->columns) == 0) {
$this->select('*');
}
$sqlColumns = array();
foreach ($this->columns as $column) {
$sqlColumns[] = $this->getOperand($column)->getSql();
}
$columns = implode(',', $sqlColumns);
$statement->setColumns($columns, $this->distinct);
if (($where = $this->whereCondition->getSql()) != '') {
$statement->setWhere($where);
}
if (count($this->groups)) {
$sqlGroup = array();
foreach ($this->groups as $group) {
$sqlGroups[] = $this->getOperand($group)->getSqlGroup();
}
$groups = implode(',', $sqlGroups);
$statement->setGroupBy($groups);
}
if (($having = $this->havingCondition->getSql()) != '') {
$statement->setHaving($having);
}
if (count($this->orders)) {
$sqlOrders = array();
foreach ($this->orders as $order) {
$o = explode(' ', $order);
$sqlOrders[] = $this->getOperand($o[0])->getSqlOrder() . ' ' . $o[1];
}
$orders = implode(',', $sqlOrders);
$statement->setOrderBy($orders);
}
if ($n = count($this->tableCriteria)) {
for ($i = 0; $i < $n; $i++) {
$tables .= ($i > 0 ? ", " : "") . '(' . $this->tableCriteria[$i][0] . ')' . ' ' . $this->tableCriteria[$i][1];
}
$statement->setTables($tables);
}
$hasJoin = false;
$joins = $this->getForcedJoin();
if (count($joins)) {
$hasJoin = true;
foreach ($joins as $join) {
$statement->join[] = $join;
}
}
$joins = $this->getAssociationsJoin();
if (count($joins)) {
$hasJoin = true;
foreach ($joins as $join) {
$statement->join[] = $join;
}
}
if (!$hasJoin) {
if (count($this->classes)) {
$sqlTables = array();
foreach ($this->classes as $class) {
$sqlTables[] = $this->getTableName($class[0]) . ' ' . $class[1];
}
$tables = implode(',', $sqlTables);
$statement->setTables($tables);
}
}
// Set parameters to the select statement
if (!is_null($this->parameters)) {
$statement->setParameters($this->parameters);
}
// Add a range clause to the select statement
if (!is_null($this->range)) {
$statement->setRange($this->range);
}
// Add a FOR UPDATE clause to the select statement
if ($this->forUpdate) {
$statement->setForUpdate(TRUE);
}
// Add Set Operations
if (count($this->setOperation)) {
foreach ($this->setOperation as $s) {
$statement->setSetOperation($s[0], $s[1]->getSqlStatement());
}
}
return $statement;
}