ohmu/third/drupal/mustikas11/fix_schema.php

<?php
// Paranda D7->D11 migratsiooni skeemi erinevused:
// 1. langcode varchar(32) -> varchar(12) kõigil node field tabelitel
// 2. field_nimi_value varchar(1) -> varchar(255) (name tüübi artefakt)
use Drupal\Core\Database\Database;

$conn = Database::getConnection();

// 1. langcode 32 -> 12
$tables = $conn->query(
  "SELECT DISTINCT table_name FROM information_schema.columns
   WHERE table_schema = :db AND column_name = 'langcode' AND column_type = 'varchar(32)'
     AND (table_name LIKE 'node__%' OR table_name LIKE 'node_revision__%')",
  [':db' => $conn->getConnectionOptions()['database']]
)->fetchCol();

foreach ($tables as $table) {
  $conn->query("ALTER TABLE {{$table}} MODIFY langcode varchar(12) NOT NULL");
  echo "langcode 12: $table\n";
}

// 2. field_nimi_value varchar(1) -> varchar(255)
foreach (['node__field_nimi', 'node_revision__field_nimi'] as $table) {
  try {
    $conn->query("ALTER TABLE {{$table}} MODIFY field_nimi_value varchar(255)");
    echo "field_nimi_value 255: $table\n";
  } catch (\Exception $e) {
    echo "skip $table: " . $e->getMessage() . "\n";
  }
}

echo "done\n";