protected SqlContentEntityStorageSchema::deleteSharedTableSchema(FieldStorageDefinitionInterface $storage_definition)
Deletes the schema for a field stored in a shared table.
Parameters
\Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition: The storage definition of the field being deleted.
File
- core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 1202
Class
- SqlContentEntityStorageSchema
- Defines a schema handler that supports revisionable, translatable entities.
Namespace
Drupal\Core\Entity\Sql
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | protected function deleteSharedTableSchema(FieldStorageDefinitionInterface $storage_definition) { // Make sure any entity index involving this field is dropped. $this->deleteEntitySchemaIndexes($this->loadEntitySchemaData($this->entityType), $storage_definition); $deleted_field_name = $storage_definition->getName(); $table_mapping = $this->storage->getTableMapping( $this->entityManager->getLastInstalledFieldStorageDefinitions($this->entityType->id()) ); $column_names = $table_mapping->getColumnNames($deleted_field_name); $schema_handler = $this->database->schema(); $shared_table_names = array_diff($table_mapping->getTableNames(), $table_mapping->getDedicatedTableNames()); // Iterate over the mapped table to find the ones that host the deleted // field schema. foreach ($shared_table_names as $table_name) { foreach ($table_mapping->getFieldNames($table_name) as $field_name) { if ($field_name == $deleted_field_name) { $schema = $this->getSharedTableFieldSchema($storage_definition, $table_name, $column_names); // Drop indexes and unique keys first. if (!empty($schema['indexes'])) { foreach ($schema['indexes'] as $name => $specifier) { $schema_handler->dropIndex($table_name, $name); } } if (!empty($schema['unique keys'])) { foreach ($schema['unique keys'] as $name => $specifier) { $schema_handler->dropUniqueKey($table_name, $name); } } // Drop columns. foreach ($column_names as $column_name) { $schema_handler->dropField($table_name, $column_name); } // After deleting the field schema skip to the next table. break; } } } $this->deleteFieldSchemaData($storage_definition);} |
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