/**
* The preprocess before writing SQL statement
* @return boolean
* @throws epExceptionQueryBuilder
*/
protected function preproc()
{
// get root alias
$this->aliases_secondary = array();
if (!$this->processFrom()) {
return false;
}
// collect contained aliases
$this->aliases_contained = array();
if (!$this->walk($this->root, 'collectAliases')) {
return false;
}
// normalize variables
if (!$this->walk($this->root, 'normalizeVariable')) {
return false;
}
// process 'contains' and 'variable' nodes
while (!$this->walk($this->root, 'processVariable')) {
// loop until all aliases and vars are set up
}
// process array or object place holders
if (!$this->walk($this->root, 'processPlaceholder')) {
return false;
}
// call path manager to create SQL from clause
return $this->pm->generateSql();
}
/**
* The preprocess before writing SQL statement
* @return boolean
* @throws epExceptionQueryBuilder
*/
protected function preproc()
{
// create query path
include_once EP_SRC_QUERY . '/epQueryPath.php';
if (!($this->pm = new epQueryPathManager())) {
throw new epExceptionQueryBuilder('cannot instantiate path manager');
return false;
}
// get root alias
$this->aliases_secondary = array();
if (!$this->processFrom()) {
return false;
}
// collect contained aliases
$this->aliases_contained = array();
if (!$this->walk($this->root, 'collectAliases')) {
return false;
}
// normalize variables
if (!$this->walk($this->root, 'normalizeVariable')) {
return false;
}
// process 'contains' and 'variable' nodes
while (!$this->walk($this->root, 'processVariable')) {
// loop until all aliases and vars are set up
}
// process array or object place holders
if (!$this->walk($this->root, 'processPlaceholder')) {
return false;
}
// call path manager to create SQL from clause
return $this->pm->generateSql();
}
