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public function Sql::key in Drupal 9

Same name and namespace in other branches
  1. 8 core/modules/migrate/src/Plugin/migrate/id_map/Sql.php \Drupal\migrate\Plugin\migrate\id_map\Sql::key()

Implementation of \Iterator::key().

This is called when entering a loop iteration, returning the key of the current row. It must be a scalar - we will serialize to fulfill the requirement, but using getCurrentKey() is preferable.

File

core/modules/migrate/src/Plugin/migrate/id_map/Sql.php, line 922

Class

Sql
Defines the sql based ID map implementation.

Namespace

Drupal\migrate\Plugin\migrate\id_map

Code

public function key() {
  return serialize($this->currentKey);
}