function SqlContentEntityStorageSchema::getDedicatedTableSchema

Same name in other branches
  1. 8.9.x core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::getDedicatedTableSchema()
  2. 10 core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::getDedicatedTableSchema()
  3. 11.x core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php \Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema::getDedicatedTableSchema()

Gets the SQL schema for a dedicated table.

Parameters

\Drupal\Core\Field\FieldStorageDefinitionInterface $storage_definition: The field storage definition.

\Drupal\Core\Entity\ContentEntityTypeInterface $entity_type: (optional) The entity type definition. Defaults to the one provided by the entity storage.

Return value

array The schema definition for the table with the following keys:

  • fields: The schema definition for the each field columns.
  • indexes: The schema definition for the indexes.
  • unique keys: The schema definition for the unique keys.
  • foreign keys: The schema definition for the foreign keys.

Throws

\Drupal\Core\Field\FieldException Exception thrown if the schema contains reserved column names.

See also

hook_schema()

6 calls to SqlContentEntityStorageSchema::getDedicatedTableSchema()
SqlContentEntityStorageSchema::createDedicatedTableSchema in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
Creates the schema for a field stored in a dedicated table.
SqlContentEntityStorageSchema::getSchemaFromStorageDefinition in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
Gets the schema data for the given field storage definition.
SqlContentEntityStorageSchema::onFieldStorageDefinitionDelete in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
Reacts to the deletion of a field storage definition.
SqlContentEntityStorageSchema::preUpdateEntityTypeSchema in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
Allows subscribers to prepare their schema before data copying.
SqlContentEntityStorageSchema::updateDedicatedTableSchema in core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php
Updates the schema for a field stored in a shared table.

... See full list

1 method overrides SqlContentEntityStorageSchema::getDedicatedTableSchema()
TermStorageSchema::getDedicatedTableSchema in core/modules/taxonomy/src/TermStorageSchema.php
Gets the SQL schema for a dedicated table.

File

core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 2243

Class

SqlContentEntityStorageSchema
Defines a schema handler that supports revisionable, translatable entities.

Namespace

Drupal\Core\Entity\Sql

Code

protected function getDedicatedTableSchema(FieldStorageDefinitionInterface $storage_definition, ContentEntityTypeInterface $entity_type = NULL) {
    $entity_type = $entity_type ?: $this->entityType;
    $description_current = "Data storage for {$storage_definition->getTargetEntityTypeId()} field {$storage_definition->getName()}.";
    $description_revision = "Revision archive storage for {$storage_definition->getTargetEntityTypeId()} field {$storage_definition->getName()}.";
    $id_definition = $this->fieldStorageDefinitions[$entity_type->getKey('id')];
    if ($id_definition->getType() == 'integer') {
        $id_schema = [
            'type' => 'int',
            'unsigned' => TRUE,
            'not null' => TRUE,
            'description' => 'The entity id this data is attached to',
        ];
    }
    else {
        $id_schema = [
            'type' => 'varchar_ascii',
            'length' => 128,
            'not null' => TRUE,
            'description' => 'The entity id this data is attached to',
        ];
    }
    // Define the revision ID schema.
    if (!$entity_type->isRevisionable()) {
        $revision_id_schema = $id_schema;
        $revision_id_schema['description'] = 'The entity revision id this data is attached to, which for an unversioned entity type is the same as the entity id';
    }
    elseif ($this->fieldStorageDefinitions[$entity_type->getKey('revision')]
        ->getType() == 'integer') {
        $revision_id_schema = [
            'type' => 'int',
            'unsigned' => TRUE,
            'not null' => TRUE,
            'description' => 'The entity revision id this data is attached to',
        ];
    }
    else {
        $revision_id_schema = [
            'type' => 'varchar',
            'length' => 128,
            'not null' => TRUE,
            'description' => 'The entity revision id this data is attached to',
        ];
    }
    $data_schema = [
        'description' => $description_current,
        'fields' => [
            'bundle' => [
                'type' => 'varchar_ascii',
                'length' => 128,
                'not null' => TRUE,
                'default' => '',
                'description' => 'The field instance bundle to which this row belongs, used when deleting a field instance',
            ],
            'deleted' => [
                'type' => 'int',
                'size' => 'tiny',
                'not null' => TRUE,
                'default' => 0,
                'description' => 'A boolean indicating whether this data item has been deleted',
            ],
            'entity_id' => $id_schema,
            'revision_id' => $revision_id_schema,
            'langcode' => [
                'type' => 'varchar_ascii',
                'length' => 32,
                'not null' => TRUE,
                'default' => '',
                'description' => 'The language code for this data item.',
            ],
            'delta' => [
                'type' => 'int',
                'unsigned' => TRUE,
                'not null' => TRUE,
                'description' => 'The sequence number for this data item, used for multi-value fields',
            ],
        ],
        'primary key' => [
            'entity_id',
            'deleted',
            'delta',
            'langcode',
        ],
        'indexes' => [
            'bundle' => [
                'bundle',
            ],
            'revision_id' => [
                'revision_id',
            ],
        ],
    ];
    // Check that the schema does not include forbidden column names.
    $schema = $storage_definition->getSchema();
    $properties = $storage_definition->getPropertyDefinitions();
    $table_mapping = $this->getTableMapping($entity_type, [
        $storage_definition,
    ]);
    if (array_intersect(array_keys($schema['columns']), $table_mapping->getReservedColumns())) {
        throw new FieldException("Illegal field column names on {$storage_definition->getName()}");
    }
    // Add field columns.
    foreach ($schema['columns'] as $column_name => $attributes) {
        $real_name = $table_mapping->getFieldColumnName($storage_definition, $column_name);
        $data_schema['fields'][$real_name] = $attributes;
        // A dedicated table only contain rows for actual field values, and no
        // rows for entities where the field is empty. Thus, we can safely
        // enforce 'not null' on the columns for the field's required properties.
        // Fields can have dynamic properties, so we need to make sure that the
        // property is statically defined.
        if (isset($properties[$column_name])) {
            $data_schema['fields'][$real_name]['not null'] = $properties[$column_name]->isRequired();
        }
    }
    // Add indexes.
    foreach ($schema['indexes'] as $index_name => $columns) {
        $real_name = $this->getFieldIndexName($storage_definition, $index_name);
        foreach ($columns as $column_name) {
            // Indexes can be specified as either a column name or an array with
            // column name and length. Allow for either case.
            if (is_array($column_name)) {
                $data_schema['indexes'][$real_name][] = [
                    $table_mapping->getFieldColumnName($storage_definition, $column_name[0]),
                    $column_name[1],
                ];
            }
            else {
                $data_schema['indexes'][$real_name][] = $table_mapping->getFieldColumnName($storage_definition, $column_name);
            }
        }
    }
    // Add unique keys.
    foreach ($schema['unique keys'] as $index_name => $columns) {
        $real_name = $this->getFieldIndexName($storage_definition, $index_name);
        foreach ($columns as $column_name) {
            // Unique keys can be specified as either a column name or an array with
            // column name and length. Allow for either case.
            if (is_array($column_name)) {
                $data_schema['unique keys'][$real_name][] = [
                    $table_mapping->getFieldColumnName($storage_definition, $column_name[0]),
                    $column_name[1],
                ];
            }
            else {
                $data_schema['unique keys'][$real_name][] = $table_mapping->getFieldColumnName($storage_definition, $column_name);
            }
        }
    }
    // Add foreign keys.
    foreach ($schema['foreign keys'] as $specifier => $specification) {
        $real_name = $this->getFieldIndexName($storage_definition, $specifier);
        $data_schema['foreign keys'][$real_name]['table'] = $specification['table'];
        foreach ($specification['columns'] as $column_name => $referenced) {
            $sql_storage_column = $table_mapping->getFieldColumnName($storage_definition, $column_name);
            $data_schema['foreign keys'][$real_name]['columns'][$sql_storage_column] = $referenced;
        }
    }
    $dedicated_table_schema = [
        $table_mapping->getDedicatedDataTableName($storage_definition) => $data_schema,
    ];
    // If the entity type is revisionable, construct the revision table.
    if ($entity_type->isRevisionable()) {
        $revision_schema = $data_schema;
        $revision_schema['description'] = $description_revision;
        $revision_schema['primary key'] = [
            'entity_id',
            'revision_id',
            'deleted',
            'delta',
            'langcode',
        ];
        $revision_schema['fields']['revision_id']['not null'] = TRUE;
        $revision_schema['fields']['revision_id']['description'] = 'The entity revision id this data is attached to';
        $dedicated_table_schema += [
            $table_mapping->getDedicatedRevisionTableName($storage_definition) => $revision_schema,
        ];
    }
    return $dedicated_table_schema;
}

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