/**
* Magic function to convert the query to a string.
*
* @return string The completed query.
*
* @since 11.1
*/
public function __toString()
{
$query = '';
switch ($this->type) {
case 'select':
$query .= (string) $this->select;
$query .= (string) $this->from;
if ($this->join) {
// Special case for joins
foreach ($this->join as $join) {
$query .= (string) $join;
}
}
if ($this->where) {
$query .= (string) $this->where;
}
if ($this->group) {
$query .= (string) $this->group;
}
if ($this->order) {
$query .= (string) $this->order;
}
if ($this->having) {
$query .= (string) $this->having;
}
if ($this instanceof FOFDatabaseQueryLimitable && ($this->limit > 0 || $this->offset > 0)) {
$query = $this->processLimit($query, $this->limit, $this->offset);
}
break;
case 'insert':
$query .= (string) $this->insert;
// Set method
if ($this->set) {
$query .= (string) $this->set;
} elseif ($this->values) {
if ($this->columns) {
$query .= (string) $this->columns;
}
$elements = $this->insert->getElements();
$tableName = array_shift($elements);
$query .= 'VALUES ';
$query .= (string) $this->values;
if ($this->autoIncrementField) {
$query = 'SET IDENTITY_INSERT ' . $tableName . ' ON;' . $query . 'SET IDENTITY_INSERT ' . $tableName . ' OFF;';
}
if ($this->where) {
$query .= (string) $this->where;
}
}
break;
case 'delete':
$query .= (string) $this->delete;
$query .= (string) $this->from;
if ($this->join) {
// Special case for joins
foreach ($this->join as $join) {
$query .= (string) $join;
}
}
if ($this->where) {
$query .= (string) $this->where;
}
if ($this->order) {
$query .= (string) $this->order;
}
break;
case 'update':
$query .= (string) $this->update;
if ($this->join) {
// Special case for joins
foreach ($this->join as $join) {
$query .= (string) $join;
}
}
$query .= (string) $this->set;
if ($this->where) {
$query .= (string) $this->where;
}
if ($this->order) {
$query .= (string) $this->order;
}
break;
default:
$query = parent::__toString();
break;
}
return $query;
}
/**
* Clear data from the query or a specific clause of the query.
*
* @param string $clause Optionally, the name of the clause to clear, or nothing to clear the whole query.
*
* @return FOFDatabaseQueryPostgresql Returns this object to allow chaining.
*
* @since 11.3
*/
public function clear($clause = null)
{
switch ($clause) {
case 'limit':
$this->limit = null;
break;
case 'offset':
$this->offset = null;
break;
case 'forUpdate':
$this->forUpdate = null;
break;
case 'forShare':
$this->forShare = null;
break;
case 'noWait':
$this->noWait = null;
break;
case 'returning':
$this->returning = null;
break;
case 'select':
case 'update':
case 'delete':
case 'insert':
case 'from':
case 'join':
case 'set':
case 'where':
case 'group':
case 'having':
case 'order':
case 'columns':
case 'values':
parent::clear($clause);
break;
default:
$this->type = null;
$this->limit = null;
$this->offset = null;
$this->forUpdate = null;
$this->forShare = null;
$this->noWait = null;
$this->returning = null;
parent::clear($clause);
break;
}
return $this;
}
