1 query.inc | public UpdateQuery::execute() |
Executes the UPDATE query.
Return value
int: The number of rows matched by the update. This count includes rows that may have matched but not necessarily changed by the update.
Overrides Query::execute
File
- core/
includes/ database/ query.inc, line 1173 - Non-specific Database query code. Used by all engines.
Class
- UpdateQuery
- General class for an abstracted UPDATE operation.
Code
public function execute() {
// Expressions take priority over literal fields, so we process those first
// and remove any literal fields that conflict.
$fields = $this->fields;
$update_values = array();
foreach ($this->expressionFields as $field => $data) {
if (!empty($data['arguments'])) {
$update_values += $data['arguments'];
}
unset($fields[$field]);
}
// Because we filter $fields the same way here and in __toString(), the
// placeholders will all match up properly.
$max_placeholder = 0;
foreach ($fields as $field => $value) {
$update_values[':db_update_placeholder_' . ($max_placeholder++)] = $value;
}
if (count($this->condition)) {
$this->condition->compile($this->connection, $this);
$update_values = array_merge($update_values, $this->condition->arguments());
}
return $this->connection->query((string) $this, $update_values, $this->queryOptions);
}