public Select::preExecute(SelectInterface $query = NULL)
Generic preparation and validation for a SELECT query.
Return value
TRUE if the validation was successful, FALSE if not.
Overrides SelectInterface::preExecute
File
- core/lib/Drupal/Core/Database/Query/Select.php, line 446
Class
- Select
- Query builder for SELECT statements.
Namespace
Drupal\Core\Database\Query
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | public function preExecute(SelectInterface $query = NULL) { // If no query object is passed in, use $this. if (!isset($query)) { $query = $this; } // Only execute this once. if ($query->isPrepared()) { return TRUE; } // Modules may alter all queries or only those having a particular tag. if (isset($this->alterTags)) { $hooks = array('query'); foreach ($this->alterTags as $tag => $value) { $hooks[] = 'query_' . $tag; } \Drupal::moduleHandler()->alter($hooks, $query); } $this->prepared = TRUE; // Now also prepare any sub-queries. foreach ($this->tables as $table) { if ($table['table'] instanceof SelectInterface) { $table['table']->preExecute(); } } foreach ($this->union as $union) { $union['query']->preExecute(); } return $this->prepared;} |
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