2 * Implements hook_field_storage_query().
4 function {{ machine_name }}_field_storage_query($query) {
6 if ($query->age == FIELD_LOAD_CURRENT) {
7 $tablename_function = '_field_sql_storage_tablename';
11 $tablename_function = '_field_sql_storage_revision_tablename';
12 $id_key = 'revision_id';
14 $table_aliases = array();
15 // Add tables for the fields used.
16 foreach ($query->fields as $key => $field) {
17 $tablename = $tablename_function($field);
18 // Every field needs a new table.
19 $table_alias = $tablename . $key;
20 $table_aliases[$key] = $table_alias;
22 $select_query->join($tablename, $table_alias, "$table_alias.entity_type = $field_base_table.entity_type AND $table_alias.$id_key = $field_base_table.$id_key");
25 $select_query = db_select($tablename, $table_alias);
26 $select_query->addTag('entity_field_access');
27 $select_query->addMetaData('base_table', $tablename);
28 $select_query->fields($table_alias, array('entity_type', 'entity_id', 'revision_id', 'bundle'));
29 $field_base_table = $table_alias;
31 if ($field['cardinality'] != 1) {
32 $select_query->distinct();
36 // Add field conditions.
37 foreach ($query->fieldConditions as $key => $condition) {
38 $table_alias = $table_aliases[$key];
39 $field = $condition['field'];
40 // Add the specified condition.
41 $sql_field = "$table_alias." . _field_sql_storage_columnname($field['field_name'], $condition['column']);
42 $query->addCondition($select_query, $sql_field, $condition);
43 // Add delta / language group conditions.
44 foreach (array('delta', 'language') as $column) {
45 if (isset($condition[$column . '_group'])) {
46 $group_name = $condition[$column . '_group'];
47 if (!isset($groups[$column][$group_name])) {
48 $groups[$column][$group_name] = $table_alias;
51 $select_query->where("$table_alias.$column = " . $groups[$column][$group_name] . ".$column");
57 if (isset($query->deleted)) {
58 $select_query->condition("$field_base_table.deleted", (int) $query->deleted);
61 // Is there a need to sort the query by property?
62 $has_property_order = FALSE;
63 foreach ($query->order as $order) {
64 if ($order['type'] == 'property') {
65 $has_property_order = TRUE;
69 if ($query->propertyConditions || $has_property_order) {
70 if (empty($query->entityConditions['entity_type']['value'])) {
71 throw new EntityFieldQueryException('Property conditions and orders must have an entity type defined.');
73 $entity_type = $query->entityConditions['entity_type']['value'];
74 $entity_base_table = _field_sql_storage_query_join_entity($select_query, $entity_type, $field_base_table);
75 $query->entityConditions['entity_type']['operator'] = '=';
76 foreach ($query->propertyConditions as $property_condition) {
77 $query->addCondition($select_query, "$entity_base_table." . $property_condition['column'], $property_condition);
80 foreach ($query->entityConditions as $key => $condition) {
81 $query->addCondition($select_query, "$field_base_table.$key", $condition);
85 foreach ($query->order as $order) {
86 if ($order['type'] == 'entity') {
87 $key = $order['specifier'];
88 $select_query->orderBy("$field_base_table.$key", $order['direction']);
90 elseif ($order['type'] == 'field') {
91 $specifier = $order['specifier'];
92 $field = $specifier['field'];
93 $table_alias = $table_aliases[$specifier['index']];
94 $sql_field = "$table_alias." . _field_sql_storage_columnname($field['field_name'], $specifier['column']);
95 $select_query->orderBy($sql_field, $order['direction']);
97 elseif ($order['type'] == 'property') {
98 $select_query->orderBy("$entity_base_table." . $order['specifier'], $order['direction']);
102 return $query->finishQuery($select_query, $id_key);