function DefaultTableMapping::create
Same name in other branches
- 9 core/lib/Drupal/Core/Entity/Sql/DefaultTableMapping.php \Drupal\Core\Entity\Sql\DefaultTableMapping::create()
- 10 core/lib/Drupal/Core/Entity/Sql/DefaultTableMapping.php \Drupal\Core\Entity\Sql\DefaultTableMapping::create()
- 11.x core/lib/Drupal/Core/Entity/Sql/DefaultTableMapping.php \Drupal\Core\Entity\Sql\DefaultTableMapping::create()
Initializes the table mapping.
@internal
Parameters
\Drupal\Core\Entity\ContentEntityTypeInterface $entity_type: The entity type definition.
\Drupal\Core\Field\FieldStorageDefinitionInterface[] $storage_definitions: A list of field storage definitions that should be available for the field columns of this table mapping.
string $prefix: (optional) A prefix to be used by all the tables of this mapping. Defaults to an empty string.
Return value
static
1 call to DefaultTableMapping::create()
- SqlContentEntityStorage::getCustomTableMapping in core/
lib/ Drupal/ Core/ Entity/ Sql/ SqlContentEntityStorage.php - Gets a table mapping for the specified entity type and storage definitions.
File
-
core/
lib/ Drupal/ Core/ Entity/ Sql/ DefaultTableMapping.php, line 162
Class
- DefaultTableMapping
- Defines a default table mapping class.
Namespace
Drupal\Core\Entity\SqlCode
public static function create(ContentEntityTypeInterface $entity_type, array $storage_definitions, $prefix = '') {
$table_mapping = new static($entity_type, $storage_definitions, $prefix);
$revisionable = $entity_type->isRevisionable();
$translatable = $entity_type->isTranslatable();
$id_key = $entity_type->getKey('id');
$revision_key = $entity_type->getKey('revision');
$bundle_key = $entity_type->getKey('bundle');
$uuid_key = $entity_type->getKey('uuid');
$langcode_key = $entity_type->getKey('langcode');
$shared_table_definitions = array_filter($storage_definitions, function (FieldStorageDefinitionInterface $definition) use ($table_mapping) {
return $table_mapping->allowsSharedTableStorage($definition);
});
$key_fields = array_values(array_filter([
$id_key,
$revision_key,
$bundle_key,
$uuid_key,
$langcode_key,
]));
$all_fields = array_keys($shared_table_definitions);
$revisionable_fields = array_keys(array_filter($shared_table_definitions, function (FieldStorageDefinitionInterface $definition) {
return $definition->isRevisionable();
}));
// Make sure the key fields come first in the list of fields.
$all_fields = array_merge($key_fields, array_diff($all_fields, $key_fields));
$revision_metadata_fields = $revisionable ? array_values($entity_type->getRevisionMetadataKeys()) : [];
$revision_metadata_fields = array_intersect($revision_metadata_fields, array_keys($storage_definitions));
if (!$revisionable && !$translatable) {
// The base layout stores all the base field values in the base table.
$table_mapping->setFieldNames($table_mapping->baseTable, $all_fields);
}
elseif ($revisionable && !$translatable) {
// The revisionable layout stores all the base field values in the base
// table, except for revision metadata fields. Revisionable fields
// denormalized in the base table but also stored in the revision table
// together with the entity ID and the revision ID as identifiers.
$table_mapping->setFieldNames($table_mapping->baseTable, array_diff($all_fields, $revision_metadata_fields));
$revision_key_fields = [
$id_key,
$revision_key,
];
$table_mapping->setFieldNames($table_mapping->revisionTable, array_merge($revision_key_fields, $revisionable_fields));
}
elseif (!$revisionable && $translatable) {
// Multilingual layouts store key field values in the base table. The
// other base field values are stored in the data table, no matter
// whether they are translatable or not. The data table holds also a
// denormalized copy of the bundle field value to allow for more
// performant queries. This means that only the UUID is not stored on
// the data table.
$table_mapping->setFieldNames($table_mapping->baseTable, $key_fields)
->setFieldNames($table_mapping->dataTable, array_values(array_diff($all_fields, [
$uuid_key,
])));
}
elseif ($revisionable && $translatable) {
// The revisionable multilingual layout stores key field values in the
// base table and the revision table holds the entity ID, revision ID and
// langcode ID along with revision metadata. The revision data table holds
// data field values for all the revisionable fields and the data table
// holds the data field values for all non-revisionable fields. The data
// field values of revisionable fields are denormalized in the data
// table, as well.
$table_mapping->setFieldNames($table_mapping->baseTable, $key_fields);
// Like in the multilingual, non-revisionable case the UUID is not
// in the data table. Additionally, do not store revision metadata
// fields in the data table.
$data_fields = array_values(array_diff($all_fields, [
$uuid_key,
], $revision_metadata_fields));
$table_mapping->setFieldNames($table_mapping->dataTable, $data_fields);
$revision_base_fields = array_merge([
$id_key,
$revision_key,
$langcode_key,
], $revision_metadata_fields);
$table_mapping->setFieldNames($table_mapping->revisionTable, $revision_base_fields);
$revision_data_key_fields = [
$id_key,
$revision_key,
$langcode_key,
];
$revision_data_fields = array_diff($revisionable_fields, $revision_metadata_fields, [
$langcode_key,
]);
$table_mapping->setFieldNames($table_mapping->revisionDataTable, array_merge($revision_data_key_fields, $revision_data_fields));
}
// Add dedicated tables.
$dedicated_table_definitions = array_filter($table_mapping->fieldStorageDefinitions, function (FieldStorageDefinitionInterface $definition) use ($table_mapping) {
return $table_mapping->requiresDedicatedTableStorage($definition);
});
$extra_columns = [
'bundle',
'deleted',
'entity_id',
'revision_id',
'langcode',
'delta',
];
foreach ($dedicated_table_definitions as $field_name => $definition) {
$tables = [
$table_mapping->getDedicatedDataTableName($definition),
];
if ($revisionable && $definition->isRevisionable()) {
$tables[] = $table_mapping->getDedicatedRevisionTableName($definition);
}
foreach ($tables as $table_name) {
$table_mapping->setFieldNames($table_name, [
$field_name,
]);
$table_mapping->setExtraColumns($table_name, $extra_columns);
}
}
return $table_mapping;
}
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