function field_sql_storage_field_storage_load

Implements hook_field_storage_load().

File

modules/field/modules/field_sql_storage/field_sql_storage.module, line 401

Code

function field_sql_storage_field_storage_load($entity_type, $entities, $age, $fields, $options) {
    $load_current = $age == FIELD_LOAD_CURRENT;
    foreach ($fields as $field_id => $ids) {
        // By the time this hook runs, the relevant field definitions have been
        // populated and cached in FieldInfo, so calling field_info_field_by_id()
        // on each field individually is more efficient than loading all fields in
        // memory upfront with field_info_field_by_ids().
        $field = field_info_field_by_id($field_id);
        $field_name = $field['field_name'];
        $table = $load_current ? _field_sql_storage_tablename($field) : _field_sql_storage_revision_tablename($field);
        $query = db_select($table, 't')->fields('t')
            ->condition('entity_type', $entity_type)
            ->condition($load_current ? 'entity_id' : 'revision_id', $ids, 'IN')
            ->condition('language', field_available_languages($entity_type, $field), 'IN')
            ->orderBy('delta');
        if (empty($options['deleted'])) {
            $query->condition('deleted', 0);
        }
        $results = $query->execute();
        $delta_count = array();
        foreach ($results as $row) {
            if (!isset($delta_count[$row->entity_id][$row->language])) {
                $delta_count[$row->entity_id][$row->language] = 0;
            }
            if ($field['cardinality'] == FIELD_CARDINALITY_UNLIMITED || $delta_count[$row->entity_id][$row->language] < $field['cardinality']) {
                $item = array();
                // For each column declared by the field, populate the item
                // from the prefixed database column.
                foreach ($field['columns'] as $column => $attributes) {
                    $column_name = _field_sql_storage_columnname($field_name, $column);
                    $item[$column] = $row->{$column_name};
                }
                // Add the item to the field values for the entity.
                $entities[$row->entity_id]->{$field_name}[$row->language][] = $item;
                $delta_count[$row->entity_id][$row->language]++;
            }
        }
    }
}