Implements hook_field_storage_load().
File
- modules/
field/ modules/ field_sql_storage/ field_sql_storage.module, line 401 - Default implementation of the field storage API.
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]++;
}
}
}
}