public Update::__toString()
Implements PHP magic __toString method to convert the query to a string.
Return value
string The prepared statement.
Overrides Query::__toString
File
- core/lib/Drupal/Core/Database/Query/Update.php, line 157
Class
- Update
- General class for an abstracted UPDATE operation.
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 | public function __toString() { // Create a sanitized comment string to prepend to the query. $comments = $this->connection->makeComment($this->comments); // Expressions take priority over literal fields, so we process those first // and remove any literal fields that conflict. $fields = $this->fields; $update_fields = array(); foreach ($this->expressionFields as $field => $data) { if ($data['expression'] instanceof SelectInterface) { // Compile and cast expression subquery to a string. $data['expression']->compile($this->connection, $this); $data['expression'] = ' (' . $data['expression'] . ')'; } $update_fields[] = $this->connection->escapeField($field) . '=' . $data['expression']; unset($fields[$field]); } $max_placeholder = 0; foreach ($fields as $field => $value) { $update_fields[] = $this->connection->escapeField($field) . '=:db_update_placeholder_' . ($max_placeholder++); } $query = $comments . 'UPDATE {' . $this->connection->escapeTable($this->table) . '} SET ' . implode(', ', $update_fields); if (count($this->condition)) { $this->condition->compile($this->connection, $this); // There is an implicit string cast on $this->condition. $query .= "\nWHERE " . $this->condition; } return $query;} |
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