protected SqlContentEntityStorageSchema::deleteEntitySchemaIndexes(array $entity_schema_data, FieldStorageDefinitionInterface $storage_definition = NULL)
Deletes the specified entity schema indexes and keys.
Parameters
array $entity_schema_data: The entity schema data definition.
\Drupal\Core\Field\FieldStorageDefinitionInterface|null $storage_definition: (optional) If a field storage definition is specified, only indexes and keys involving its columns will be processed. Otherwise all defined entity indexes and keys will be processed.
File
- core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 1508
Class
- SqlContentEntityStorageSchema
- Defines a schema handler that supports revisionable, translatable entities.
Namespace
Drupal\Core\Entity\Sql
Code
protected function deleteEntitySchemaIndexes(array $entity_schema_data, FieldStorageDefinitionInterface $storage_definition = NULL) {
$schema_handler = $this->database->schema();
if ($storage_definition) {
$table_mapping = $this->storage->getTableMapping();
$column_names = $table_mapping->getColumnNames($storage_definition->getName());
}
$index_keys = [
'indexes' => 'dropIndex',
'unique keys' => 'dropUniqueKey',
];
foreach ($entity_schema_data as $table_name => $schema) {
foreach ($index_keys as $key => $drop_method) {
if (!empty($schema[$key])) {
foreach ($schema[$key] as $name => $specifier) {
$specifier_columns = array_map(function($item) {
return is_string($item) ? $item : reset($item);
}, $specifier);
if (!isset($column_names) || array_intersect($specifier_columns, $column_names)) {
$schema_handler->{$drop_method}($table_name, $name);
}
}
}
}
}
}
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