function Sql::next

Implementation of \Iterator::next().

This is called at the bottom of the loop implicitly, as well as explicitly from rewind().

File

core/modules/migrate/src/Plugin/migrate/id_map/Sql.php, line 989

Class

Sql

Defines the sql based ID map implementation.

Namespace

Code

public function next() {
    $this->currentRow = $this->result
        ->fetchAssoc();
    $this->currentKey = [];
    if ($this->currentRow) {
        foreach ($this->sourceIdFields() as $map_field) {
            $this->currentKey[$map_field] = $this->currentRow[$map_field];
            // Leave only destination fields.
            unset($this->currentRow[$map_field]);
        }
    }
}