1 files changed, 41 insertions, 0 deletions
diff --git a/modules/field/field.api.php b/modules/field/field.api.php
index 60e54d5d8..84a9b07e9 100644
--- a/modules/field/field.api.php
+++ b/modules/field/field.api.php
@@ -1141,6 +1141,47 @@ function hook_field_storage_info_alter(&$info) {
 }
 
 /**
+ * Reveal the internal details about the storage for a field.
+ *
+ * For example, an SQL storage module might return the Schema API structure for
+ * the table. A key/value storage module might return the server name,
+ * authentication credentials, and bin name.
+ *
+ * Field storage modules are not obligated to implement this hook. Modules
+ * that rely on these details must only use them for read operations.
+ *
+ * @param $field
+ *   A field structure.
+ * @param $instance
+ *   A field instance structure.
+ * @return
+ *   An array of details.
+ *    - The first dimension is a store type (sql, solr, etc).
+ *    - The second dimension indicates the age of the values in the store
+ *      FIELD_LOAD_CURRENT or FIELD_LOAD_REVISION.
+ *    - Other dimensions are specific to the field storage module.
+ */
+function hook_field_storage_details($field, $instance) {
+}
+
+/**
+ * Perform alterations on Field API storage details.
+ *
+ * The storage details are appended to the field instance structure after this
+ * hook is invoked. Read and alter the $details only.
+ *
+ * @param $details
+ *   An array of storage details for fields as exposed by
+ *   hook_field_storage_details() implementations.
+ * @param $field
+ *   A field structure.
+ * @param $instance
+ *   A field instance structure.
+ */
+function hook_field_storage_details_alter(&$details, $field, $instance) {
+}
+
+/**
  * Load field data for a set of objects.
  *
  * @param $obj_type