/**
  * Compares schemas to check for changes in the column definitions.
  *
  * @param \Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition
  *   Current field storage definition.
  * @param \Drupal\Core\Field\FieldStorageDefinitionInterface $original
  *   The original field storage definition.
  *
  * @return bool
  *   Returns TRUE if there are schema changes in the column definitions.
  */
 protected function hasColumnChanges(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original)
 {
     if ($storage_definition->getColumns() != $original->getColumns()) {
         // Base field definitions have schema data stored in the original
         // definition.
         return TRUE;
     }
     if (!$storage_definition->hasCustomStorage()) {
         $keys = array_flip($this->getColumnSchemaRelevantKeys());
         $definition_schema = $this->getSchemaFromStorageDefinition($storage_definition);
         foreach ($this->loadFieldSchemaData($original) as $table => $table_schema) {
             foreach ($table_schema['fields'] as $name => $spec) {
                 $definition_spec = array_intersect_key($definition_schema[$table]['fields'][$name], $keys);
                 $stored_spec = array_intersect_key($spec, $keys);
                 if ($definition_spec != $stored_spec) {
                     return TRUE;
                 }
             }
         }
     }
     return FALSE;
 }
 /**
  * Compares schemas to check for changes in the column definitions.
  *
  * @param \Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition
  *   Current field storage definition.
  * @param \Drupal\Core\Field\FieldStorageDefinitionInterface $original
  *   The original field storage definition.
  *
  * @return bool
  *   Returns TRUE if there are schema changes in the column definitions.
  */
 protected function hasColumnChanges(FieldStorageDefinitionInterface $storage_definition, FieldStorageDefinitionInterface $original)
 {
     if ($storage_definition->getColumns() != $original->getColumns()) {
         // Base field definitions have schema data stored in the original
         // definition.
         return TRUE;
     }
     if (!$storage_definition->hasCustomStorage()) {
         $schema = $this->getSchemaFromStorageDefinition($storage_definition);
         foreach ($this->loadFieldSchemaData($original) as $table => $spec) {
             if ($spec['fields'] != $schema[$table]['fields']) {
                 return TRUE;
             }
         }
     }
     return FALSE;
 }