function Merge::__toString

Implements PHP magic __toString method to convert the query to a string.

The toString operation is how we compile a query object to a prepared statement.

Return value

string A prepared statement query string for this object.

Overrides Query::__toString

File

core/lib/Drupal/Core/Database/Query/Merge.php, line 338

Class

Merge

General class for an abstracted MERGE query operation.

Namespace

Code

public function __toString() {
  // In the degenerate case, there is no string-able query as this operation
  // is potentially two queries.
  throw new \BadMethodCallException('The merge query can not be converted to a string');
}