InsertMigration.php

<?php

namespace Drupal\migration\Utility;

/**
 * FeedsToMigration.
 */
class InsertMigration {

  /**
   * Insert.
   */
  public static function insert($data, $table = 'migrate_map_********') {
    $db = \Drupal::database();
    $fields = [
      'source_ids_hash',
      'sourceid1',
      'destid1',
      'source_row_status',
      'rollback_action',
      'last_imported',
      'hash',
    ];
    foreach ($data as $src => $dst) {
      print "{$src} > {$dst}\n";
      $hash = hash('sha256', serialize(array_map('strval', [$src])));
      $line = [$hash, $src, $dst, 0, 0, 0, ""];
      // Insert the record to table.
      $insert = $db->insert($table)->fields($fields)->values($line);
      // $insert->execute();
    }
  }

}