function Schema::addField

Same name in this branch
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::addField()
  2. 9 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::addField()
  3. 9 core/tests/fixtures/database_drivers/module/corefake/src/Driver/Database/corefakeWithAllCustomClasses/Schema.php \Drupal\corefake\Driver\Database\corefakeWithAllCustomClasses\Schema::addField()
  4. 9 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::addField()
Same name and namespace in other branches
  1. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::addField()
  2. 11.x core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::addField()
  3. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::addField()
  4. 11.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::addField()
  5. 10 core/modules/sqlite/src/Driver/Database/sqlite/Schema.php \Drupal\sqlite\Driver\Database\sqlite\Schema::addField()
  6. 10 core/modules/mysql/src/Driver/Database/mysql/Schema.php \Drupal\mysql\Driver\Database\mysql\Schema::addField()
  7. 10 core/modules/pgsql/src/Driver/Database/pgsql/Schema.php \Drupal\pgsql\Driver\Database\pgsql\Schema::addField()
  8. 10 core/tests/fixtures/database_drivers/module/core_fake/src/Driver/Database/CoreFakeWithAllCustomClasses/Schema.php \Drupal\core_fake\Driver\Database\CoreFakeWithAllCustomClasses\Schema::addField()
  9. 10 core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::addField()
  10. 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Schema.php \Drupal\Core\Database\Driver\sqlite\Schema::addField()
  11. 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Schema.php \Drupal\Core\Database\Driver\mysql\Schema::addField()
  12. 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Schema.php \Drupal\Core\Database\Driver\pgsql\Schema::addField()
  13. 8.9.x core/lib/Drupal/Core/Database/Schema.php \Drupal\Core\Database\Schema::addField()

File

core/modules/mysql/src/Driver/Database/mysql/Schema.php, line 406

Class

Schema
MySQL implementation of \Drupal\Core\Database\Schema.

Namespace

Drupal\mysql\Driver\Database\mysql

Code

public function addField($table, $field, $spec, $keys_new = []) {
  if (!$this->tableExists($table)) {
    throw new SchemaObjectDoesNotExistException("Cannot add field '{$table}.{$field}': table doesn't exist.");
  }
  if ($this->fieldExists($table, $field)) {
    throw new SchemaObjectExistsException("Cannot add field '{$table}.{$field}': field already exists.");
  }
  // Fields that are part of a PRIMARY KEY must be added as NOT NULL.
  $is_primary_key = isset($keys_new['primary key']) && in_array($field, $keys_new['primary key'], TRUE);
  if ($is_primary_key) {
    $this->ensureNotNullPrimaryKey($keys_new['primary key'], [
      $field => $spec,
    ]);
  }
  $fixnull = FALSE;
  if (!empty($spec['not null']) && !isset($spec['default']) && !$is_primary_key) {
    $fixnull = TRUE;
    $spec['not null'] = FALSE;
  }
  $query = 'ALTER TABLE {' . $table . '} ADD ';
  $query .= $this->createFieldSql($field, $this->processField($spec));
  if ($keys_sql = $this->createKeysSql($keys_new)) {
    // Make sure to drop the existing primary key before adding a new one.
    // This is only needed when adding a field because this method, unlike
    // changeField(), is supposed to handle primary keys automatically.
    if (isset($keys_new['primary key']) && $this->indexExists($table, 'PRIMARY')) {
      $query .= ', DROP PRIMARY KEY';
    }
    $query .= ', ADD ' . implode(', ADD ', $keys_sql);
  }
  $this->connection
    ->query($query);
  if (isset($spec['initial_from_field'])) {
    if (isset($spec['initial'])) {
      $expression = 'COALESCE(' . $spec['initial_from_field'] . ', :default_initial_value)';
      $arguments = [
        ':default_initial_value' => $spec['initial'],
      ];
    }
    else {
      $expression = $spec['initial_from_field'];
      $arguments = [];
    }
    $this->connection
      ->update($table)
      ->expression($field, $expression, $arguments)
      ->execute();
  }
  elseif (isset($spec['initial'])) {
    $this->connection
      ->update($table)
      ->fields([
      $field => $spec['initial'],
    ])
      ->execute();
  }
  if ($fixnull) {
    $spec['not null'] = TRUE;
    $this->changeField($table, $field, $field, $spec);
  }
}

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