[meeting] Migrate Meeting 2025-02-13 1400Z

Core migration issues

• RTBC
• NR
• all open
• Needs subsystem maintainer review
• Statistics, Google spreadsheet

Next video meeting 2025-04-24

Hello all, it’s time for the biweekly migration subsystem meeting. The meeting will take place in slack in various threads. This meeting:
➤ Is for core migrate maintainers and developers and anybody else in the community with an interest in migrations
➤ Usually happens every second Thursday and alternates between 1400 and 2100 UTC.
➤ Is done on the #migration channel in Drupal Slack (see www.drupal.org/slack for information).
➤ Happens in threads, which you can follow to be notified of new replies even if you don’t comment in the thread. You may also join the meeting later and participate asynchronously!
➤ Has a public agenda anyone can add to. #3456078: [meeting] Migrate Meeting 2024-07-18 2100Z)See the parent issue for an idea of the typical agenda.
➤Transcript will be exported and posted to the agenda issue. For anonymous comments, start with a 👤 emoji. To take a comment or thread off the record, start with a 🚫 emoji.

0️⃣ Who is here today?

1️⃣ What should we talk about today? Suggest topics here and I will add threads. I will also check for comments on the issue for today's meeting.

2️⃣ Action items. To be added later.

3️⃣ Statistics

4️⃣ Comment in this thread if you are looking for ways to contribute. Give us some idea of what you would like to do: documentation, code review, testing, project management, ...

5️⃣ Previous minutes.

6️⃣ Announcements

7️⃣ Convert MigrateSource plugin discovery to attributes

8️⃣ SQL source plugins: allow defining conditions and join in migration yml

9️⃣ Documentation: using hook_query_tag_alter()

use Drupal\Core\Database\Query\AlterableInterface;

/**
 * Implements hook_query_TAG_alter().
 */
function udrupalcom_query_migrate_alter(AlterableInterface $query) {
  /** @var \Drupal\migrate\Plugin\MigrationInterface $migration */
  $migration = $query->getMetaData('migration');

  if (in_array('Drupal 7', $migration->getMigrationTags())) {
    var_dump((string) $query);
  }
  
}

use Drupal\Core\Database\Query\AlterableInterface;

/**
 * Implements hook_query_TAG_alter().
 */
function udrupalcom_query_migrate_alter(AlterableInterface $query) {
  /** @var \Drupal\migrate\Plugin\MigrationInterface $migration */
  $migration = $query->getMetaData('migration');

  if (array_key_exists('high_water_property', $migration->getSourceConfiguration())) {
    $query->range(0, 100);
  }
  
}

🔟 Moving \Drupal\migrate_drupal\Plugin\migrate\source\d8\Config source plugin to migrate module.

1️⃣1️⃣ Wrap-Up

Participants: