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diff --git a/kolab.org/www/drupal-7.26/modules/field/modules/field_sql_storage/field_sql_storage.module b/kolab.org/www/drupal-7.26/modules/field/modules/field_sql_storage/field_sql_storage.module
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+<?php
+
+/**
+ * @file
+ * Default implementation of the field storage API.
+ */
+
+/**
+ * Implements hook_help().
+ */
+function field_sql_storage_help($path, $arg) {
+ switch ($path) {
+ case 'admin/help#field_sql_storage':
+ $output = '';
+ $output .= '<h3>' . t('About') . '</h3>';
+ $output .= '<p>' . t('The Field SQL storage module stores field data in the database. It is the default field storage module; other field storage mechanisms may be available as contributed modules. See the <a href="@field-help">Field module help page</a> for more information about fields.', array('@field-help' => url('admin/help/field'))) . '</p>';
+ return $output;
+ }
+}
+
+/**
+ * Implements hook_field_storage_info().
+ */
+function field_sql_storage_field_storage_info() {
+ return array(
+ 'field_sql_storage' => array(
+ 'label' => t('Default SQL storage'),
+ 'description' => t('Stores fields in the local SQL database, using per-field tables.'),
+ ),
+ );
+}
+
+/**
+ * Generate a table name for a field data table.
+ *
+ * @param $field
+ * The field structure.
+ * @return
+ * A string containing the generated name for the database table
+ */
+function _field_sql_storage_tablename($field) {
+ if ($field['deleted']) {
+ return "field_deleted_data_{$field['id']}";
+ }
+ else {
+ return "field_data_{$field['field_name']}";
+ }
+}
+
+/**
+ * Generate a table name for a field revision archive table.
+ *
+ * @param $name
+ * The field structure.
+ * @return
+ * A string containing the generated name for the database table
+ */
+function _field_sql_storage_revision_tablename($field) {
+ if ($field['deleted']) {
+ return "field_deleted_revision_{$field['id']}";
+ }
+ else {
+ return "field_revision_{$field['field_name']}";
+ }
+}
+
+/**
+ * Generate a column name for a field data table.
+ *
+ * @param $name
+ * The name of the field
+ * @param $column
+ * The name of the column
+ * @return
+ * A string containing a generated column name for a field data
+ * table that is unique among all other fields.
+ */
+function _field_sql_storage_columnname($name, $column) {
+ return $name . '_' . $column;
+}
+
+/**
+ * Generate an index name for a field data table.
+ *
+ * @param $name
+ * The name of the field
+ * @param $column
+ * The name of the index
+ * @return
+ * A string containing a generated index name for a field data
+ * table that is unique among all other fields.
+ */
+function _field_sql_storage_indexname($name, $index) {
+ return $name . '_' . $index;
+}
+
+/**
+ * Return the database schema for a field. This may contain one or
+ * more tables. Each table will contain the columns relevant for the
+ * specified field. Leave the $field's 'columns' and 'indexes' keys
+ * empty to get only the base schema.
+ *
+ * @param $field
+ * The field structure for which to generate a database schema.
+ * @return
+ * One or more tables representing the schema for the field.
+ */
+function _field_sql_storage_schema($field) {
+ $deleted = $field['deleted'] ? 'deleted ' : '';
+ $current = array(
+ 'description' => "Data storage for {$deleted}field {$field['id']} ({$field['field_name']})",
+ 'fields' => array(
+ 'entity_type' => array(
+ 'type' => 'varchar',
+ 'length' => 128,
+ 'not null' => TRUE,
+ 'default' => '',
+ 'description' => 'The entity type this data is attached to',
+ ),
+ 'bundle' => array(
+ 'type' => 'varchar',
+ 'length' => 128,
+ 'not null' => TRUE,
+ 'default' => '',
+ 'description' => 'The field instance bundle to which this row belongs, used when deleting a field instance',
+ ),
+ 'deleted' => array(
+ 'type' => 'int',
+ 'size' => 'tiny',
+ 'not null' => TRUE,
+ 'default' => 0,
+ 'description' => 'A boolean indicating whether this data item has been deleted'
+ ),
+ 'entity_id' => array(
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'description' => 'The entity id this data is attached to',
+ ),
+ 'revision_id' => array(
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => FALSE,
+ 'description' => 'The entity revision id this data is attached to, or NULL if the entity type is not versioned',
+ ),
+ // @todo Consider storing language as integer.
+ 'language' => array(
+ 'type' => 'varchar',
+ 'length' => 32,
+ 'not null' => TRUE,
+ 'default' => '',
+ 'description' => 'The language for this data item.',
+ ),
+ 'delta' => array(
+ 'type' => 'int',
+ 'unsigned' => TRUE,
+ 'not null' => TRUE,
+ 'description' => 'The sequence number for this data item, used for multi-value fields',
+ ),
+ ),
+ 'primary key' => array('entity_type', 'entity_id', 'deleted', 'delta', 'language'),
+ 'indexes' => array(
+ 'entity_type' => array('entity_type'),
+ 'bundle' => array('bundle'),
+ 'deleted' => array('deleted'),
+ 'entity_id' => array('entity_id'),
+ 'revision_id' => array('revision_id'),
+ 'language' => array('language'),
+ ),
+ );
+
+ $field += array('columns' => array(), 'indexes' => array(), 'foreign keys' => array());
+ // Add field columns.
+ foreach ($field['columns'] as $column_name => $attributes) {
+ $real_name = _field_sql_storage_columnname($field['field_name'], $column_name);
+ $current['fields'][$real_name] = $attributes;
+ }
+
+ // Add indexes.
+ foreach ($field['indexes'] as $index_name => $columns) {
+ $real_name = _field_sql_storage_indexname($field['field_name'], $index_name);
+ foreach ($columns as $column_name) {
+ $current['indexes'][$real_name][] = _field_sql_storage_columnname($field['field_name'], $column_name);
+ }
+ }
+
+ // Add foreign keys.
+ foreach ($field['foreign keys'] as $specifier => $specification) {
+ $real_name = _field_sql_storage_indexname($field['field_name'], $specifier);
+ $current['foreign keys'][$real_name]['table'] = $specification['table'];
+ foreach ($specification['columns'] as $column_name => $referenced) {
+ $sql_storage_column = _field_sql_storage_columnname($field['field_name'], $column_name);
+ $current['foreign keys'][$real_name]['columns'][$sql_storage_column] = $referenced;
+ }
+ }
+
+ // Construct the revision table.
+ $revision = $current;
+ $revision['description'] = "Revision archive storage for {$deleted}field {$field['id']} ({$field['field_name']})";
+ $revision['primary key'] = array('entity_type', 'entity_id', 'revision_id', 'deleted', 'delta', 'language');
+ $revision['fields']['revision_id']['not null'] = TRUE;
+ $revision['fields']['revision_id']['description'] = 'The entity revision id this data is attached to';
+
+ return array(
+ _field_sql_storage_tablename($field) => $current,
+ _field_sql_storage_revision_tablename($field) => $revision,
+ );
+}
+
+/**
+ * Implements hook_field_storage_create_field().
+ */
+function field_sql_storage_field_storage_create_field($field) {
+ $schema = _field_sql_storage_schema($field);
+ foreach ($schema as $name => $table) {
+ db_create_table($name, $table);
+ }
+ drupal_get_schema(NULL, TRUE);
+}
+
+/**
+ * Implements hook_field_update_forbid().
+ *
+ * Forbid any field update that changes column definitions if there is
+ * any data.
+ */
+function field_sql_storage_field_update_forbid($field, $prior_field, $has_data) {
+ if ($has_data && $field['columns'] != $prior_field['columns']) {
+ throw new FieldUpdateForbiddenException("field_sql_storage cannot change the schema for an existing field with data.");
+ }
+}
+
+/**
+ * Implements hook_field_storage_update_field().
+ */
+function field_sql_storage_field_storage_update_field($field, $prior_field, $has_data) {
+ if (! $has_data) {
+ // There is no data. Re-create the tables completely.
+
+ if (Database::getConnection()->supportsTransactionalDDL()) {
+ // If the database supports transactional DDL, we can go ahead and rely
+ // on it. If not, we will have to rollback manually if something fails.
+ $transaction = db_transaction();
+ }
+
+ try {
+ $prior_schema = _field_sql_storage_schema($prior_field);
+ foreach ($prior_schema as $name => $table) {
+ db_drop_table($name, $table);
+ }
+ $schema = _field_sql_storage_schema($field);
+ foreach ($schema as $name => $table) {
+ db_create_table($name, $table);
+ }
+ }
+ catch (Exception $e) {
+ if (Database::getConnection()->supportsTransactionalDDL()) {
+ $transaction->rollback();
+ }
+ else {
+ // Recreate tables.
+ $prior_schema = _field_sql_storage_schema($prior_field);
+ foreach ($prior_schema as $name => $table) {
+ if (!db_table_exists($name)) {
+ db_create_table($name, $table);
+ }
+ }
+ }
+ throw $e;
+ }
+ }
+ else {
+ // There is data, so there are no column changes. Drop all the
+ // prior indexes and create all the new ones, except for all the
+ // priors that exist unchanged.
+ $table = _field_sql_storage_tablename($prior_field);
+ $revision_table = _field_sql_storage_revision_tablename($prior_field);
+ foreach ($prior_field['indexes'] as $name => $columns) {
+ if (!isset($field['indexes'][$name]) || $columns != $field['indexes'][$name]) {
+ $real_name = _field_sql_storage_indexname($field['field_name'], $name);
+ db_drop_index($table, $real_name);
+ db_drop_index($revision_table, $real_name);
+ }
+ }
+ $table = _field_sql_storage_tablename($field);
+ $revision_table = _field_sql_storage_revision_tablename($field);
+ foreach ($field['indexes'] as $name => $columns) {
+ if (!isset($prior_field['indexes'][$name]) || $columns != $prior_field['indexes'][$name]) {
+ $real_name = _field_sql_storage_indexname($field['field_name'], $name);
+ $real_columns = array();
+ foreach ($columns as $column_name) {
+ $real_columns[] = _field_sql_storage_columnname($field['field_name'], $column_name);
+ }
+ db_add_index($table, $real_name, $real_columns);
+ db_add_index($revision_table, $real_name, $real_columns);
+ }
+ }
+ }
+ drupal_get_schema(NULL, TRUE);
+}
+
+/**
+ * Implements hook_field_storage_delete_field().
+ */
+function field_sql_storage_field_storage_delete_field($field) {
+ // Mark all data associated with the field for deletion.
+ $field['deleted'] = 0;
+ $table = _field_sql_storage_tablename($field);
+ $revision_table = _field_sql_storage_revision_tablename($field);
+ db_update($table)
+ ->fields(array('deleted' => 1))
+ ->execute();
+
+ // Move the table to a unique name while the table contents are being deleted.
+ $field['deleted'] = 1;
+ $new_table = _field_sql_storage_tablename($field);
+ $revision_new_table = _field_sql_storage_revision_tablename($field);
+ db_rename_table($table, $new_table);
+ db_rename_table($revision_table, $revision_new_table);
+ drupal_get_schema(NULL, TRUE);
+}
+
+/**
+ * Implements hook_field_storage_load().
+ */
+function field_sql_storage_field_storage_load($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][$row->language]++;
+ }
+ }
+ }
+}
+
+/**
+ * Implements hook_field_storage_write().
+ */
+function field_sql_storage_field_storage_write($entity_type, $entity, $op, $fields) {
+ list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
+ if (!isset($vid)) {
+ $vid = $id;
+ }
+
+ foreach ($fields as $field_id) {
+ $field = field_info_field_by_id($field_id);
+ $field_name = $field['field_name'];
+ $table_name = _field_sql_storage_tablename($field);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+
+ $all_languages = field_available_languages($entity_type, $field);
+ $field_languages = array_intersect($all_languages, array_keys((array) $entity->$field_name));
+
+ // Delete and insert, rather than update, in case a value was added.
+ if ($op == FIELD_STORAGE_UPDATE) {
+ // Delete languages present in the incoming $entity->$field_name.
+ // Delete all languages if $entity->$field_name is empty.
+ $languages = !empty($entity->$field_name) ? $field_languages : $all_languages;
+ if ($languages) {
+ db_delete($table_name)
+ ->condition('entity_type', $entity_type)
+ ->condition('entity_id', $id)
+ ->condition('language', $languages, 'IN')
+ ->execute();
+ db_delete($revision_name)
+ ->condition('entity_type', $entity_type)
+ ->condition('entity_id', $id)
+ ->condition('revision_id', $vid)
+ ->condition('language', $languages, 'IN')
+ ->execute();
+ }
+ }
+
+ // Prepare the multi-insert query.
+ $do_insert = FALSE;
+ $columns = array('entity_type', 'entity_id', 'revision_id', 'bundle', 'delta', 'language');
+ foreach ($field['columns'] as $column => $attributes) {
+ $columns[] = _field_sql_storage_columnname($field_name, $column);
+ }
+ $query = db_insert($table_name)->fields($columns);
+ $revision_query = db_insert($revision_name)->fields($columns);
+
+ foreach ($field_languages as $langcode) {
+ $items = (array) $entity->{$field_name}[$langcode];
+ $delta_count = 0;
+ foreach ($items as $delta => $item) {
+ // We now know we have someting to insert.
+ $do_insert = TRUE;
+ $record = array(
+ 'entity_type' => $entity_type,
+ 'entity_id' => $id,
+ 'revision_id' => $vid,
+ 'bundle' => $bundle,
+ 'delta' => $delta,
+ 'language' => $langcode,
+ );
+ foreach ($field['columns'] as $column => $attributes) {
+ $record[_field_sql_storage_columnname($field_name, $column)] = isset($item[$column]) ? $item[$column] : NULL;
+ }
+ $query->values($record);
+ if (isset($vid)) {
+ $revision_query->values($record);
+ }
+
+ if ($field['cardinality'] != FIELD_CARDINALITY_UNLIMITED && ++$delta_count == $field['cardinality']) {
+ break;
+ }
+ }
+ }
+
+ // Execute the query if we have values to insert.
+ if ($do_insert) {
+ $query->execute();
+ $revision_query->execute();
+ }
+ }
+}
+
+/**
+ * Implements hook_field_storage_delete().
+ *
+ * This function deletes data for all fields for an entity from the database.
+ */
+function field_sql_storage_field_storage_delete($entity_type, $entity, $fields) {
+ list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
+
+ foreach (field_info_instances($entity_type, $bundle) as $instance) {
+ if (isset($fields[$instance['field_id']])) {
+ $field = field_info_field_by_id($instance['field_id']);
+ field_sql_storage_field_storage_purge($entity_type, $entity, $field, $instance);
+ }
+ }
+}
+
+/**
+ * Implements hook_field_storage_purge().
+ *
+ * This function deletes data from the database for a single field on
+ * an entity.
+ */
+function field_sql_storage_field_storage_purge($entity_type, $entity, $field, $instance) {
+ list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
+
+ $table_name = _field_sql_storage_tablename($field);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+ db_delete($table_name)
+ ->condition('entity_type', $entity_type)
+ ->condition('entity_id', $id)
+ ->execute();
+ db_delete($revision_name)
+ ->condition('entity_type', $entity_type)
+ ->condition('entity_id', $id)
+ ->execute();
+}
+
+/**
+ * Implements hook_field_storage_query().
+ */
+function field_sql_storage_field_storage_query(EntityFieldQuery $query) {
+ if ($query->age == FIELD_LOAD_CURRENT) {
+ $tablename_function = '_field_sql_storage_tablename';
+ $id_key = 'entity_id';
+ }
+ else {
+ $tablename_function = '_field_sql_storage_revision_tablename';
+ $id_key = 'revision_id';
+ }
+ $table_aliases = array();
+ // Add tables for the fields used.
+ foreach ($query->fields as $key => $field) {
+ $tablename = $tablename_function($field);
+ // Every field needs a new table.
+ $table_alias = $tablename . $key;
+ $table_aliases[$key] = $table_alias;
+ if ($key) {
+ $select_query->join($tablename, $table_alias, "$table_alias.entity_type = $field_base_table.entity_type AND $table_alias.$id_key = $field_base_table.$id_key");
+ }
+ else {
+ $select_query = db_select($tablename, $table_alias);
+ // Allow queries internal to the Field API to opt out of the access
+ // check, for situations where the query's results should not depend on
+ // the access grants for the current user.
+ if (!isset($query->tags['DANGEROUS_ACCESS_CHECK_OPT_OUT'])) {
+ $select_query->addTag('entity_field_access');
+ }
+ $select_query->addMetaData('base_table', $tablename);
+ $select_query->fields($table_alias, array('entity_type', 'entity_id', 'revision_id', 'bundle'));
+ $field_base_table = $table_alias;
+ }
+ if ($field['cardinality'] != 1 || $field['translatable']) {
+ $select_query->distinct();
+ }
+ }
+
+ // Add field conditions. We need a fresh grouping cache.
+ drupal_static_reset('_field_sql_storage_query_field_conditions');
+ _field_sql_storage_query_field_conditions($query, $select_query, $query->fieldConditions, $table_aliases, '_field_sql_storage_columnname');
+
+ // Add field meta conditions.
+ _field_sql_storage_query_field_conditions($query, $select_query, $query->fieldMetaConditions, $table_aliases, '_field_sql_storage_query_columnname');
+
+ if (isset($query->deleted)) {
+ $select_query->condition("$field_base_table.deleted", (int) $query->deleted);
+ }
+
+ // Is there a need to sort the query by property?
+ $has_property_order = FALSE;
+ foreach ($query->order as $order) {
+ if ($order['type'] == 'property') {
+ $has_property_order = TRUE;
+ }
+ }
+
+ if ($query->propertyConditions || $has_property_order) {
+ if (empty($query->entityConditions['entity_type']['value'])) {
+ throw new EntityFieldQueryException('Property conditions and orders must have an entity type defined.');
+ }
+ $entity_type = $query->entityConditions['entity_type']['value'];
+ $entity_base_table = _field_sql_storage_query_join_entity($select_query, $entity_type, $field_base_table);
+ $query->entityConditions['entity_type']['operator'] = '=';
+ foreach ($query->propertyConditions as $property_condition) {
+ $query->addCondition($select_query, "$entity_base_table." . $property_condition['column'], $property_condition);
+ }
+ }
+ foreach ($query->entityConditions as $key => $condition) {
+ $query->addCondition($select_query, "$field_base_table.$key", $condition);
+ }
+
+ // Order the query.
+ foreach ($query->order as $order) {
+ if ($order['type'] == 'entity') {
+ $key = $order['specifier'];
+ $select_query->orderBy("$field_base_table.$key", $order['direction']);
+ }
+ elseif ($order['type'] == 'field') {
+ $specifier = $order['specifier'];
+ $field = $specifier['field'];
+ $table_alias = $table_aliases[$specifier['index']];
+ $sql_field = "$table_alias." . _field_sql_storage_columnname($field['field_name'], $specifier['column']);
+ $select_query->orderBy($sql_field, $order['direction']);
+ }
+ elseif ($order['type'] == 'property') {
+ $select_query->orderBy("$entity_base_table." . $order['specifier'], $order['direction']);
+ }
+ }
+
+ return $query->finishQuery($select_query, $id_key);
+}
+
+/**
+ * Adds the base entity table to a field query object.
+ *
+ * @param SelectQuery $select_query
+ * A SelectQuery containing at least one table as specified by
+ * _field_sql_storage_tablename().
+ * @param $entity_type
+ * The entity type for which the base table should be joined.
+ * @param $field_base_table
+ * Name of a table in $select_query. As only INNER JOINs are used, it does
+ * not matter which.
+ *
+ * @return
+ * The name of the entity base table joined in.
+ */
+function _field_sql_storage_query_join_entity(SelectQuery $select_query, $entity_type, $field_base_table) {
+ $entity_info = entity_get_info($entity_type);
+ $entity_base_table = $entity_info['base table'];
+ $entity_field = $entity_info['entity keys']['id'];
+ $select_query->join($entity_base_table, $entity_base_table, "$entity_base_table.$entity_field = $field_base_table.entity_id");
+ return $entity_base_table;
+}
+
+/**
+ * Adds field (meta) conditions to the given query objects respecting groupings.
+ *
+ * @param EntityFieldQuery $query
+ * The field query object to be processed.
+ * @param SelectQuery $select_query
+ * The SelectQuery that should get grouping conditions.
+ * @param condtions
+ * The conditions to be added.
+ * @param $table_aliases
+ * An associative array of table aliases keyed by field index.
+ * @param $column_callback
+ * A callback that should return the column name to be used for the field
+ * conditions. Accepts a field name and a field column name as parameters.
+ */
+function _field_sql_storage_query_field_conditions(EntityFieldQuery $query, SelectQuery $select_query, $conditions, $table_aliases, $column_callback) {
+ $groups = &drupal_static(__FUNCTION__, array());
+ foreach ($conditions as $key => $condition) {
+ $table_alias = $table_aliases[$key];
+ $field = $condition['field'];
+ // Add the specified condition.
+ $sql_field = "$table_alias." . $column_callback($field['field_name'], $condition['column']);
+ $query->addCondition($select_query, $sql_field, $condition);
+ // Add delta / language group conditions.
+ foreach (array('delta', 'language') as $column) {
+ if (isset($condition[$column . '_group'])) {
+ $group_name = $condition[$column . '_group'];
+ if (!isset($groups[$column][$group_name])) {
+ $groups[$column][$group_name] = $table_alias;
+ }
+ else {
+ $select_query->where("$table_alias.$column = " . $groups[$column][$group_name] . ".$column");
+ }
+ }
+ }
+ }
+}
+
+/**
+ * Field meta condition column callback.
+ */
+function _field_sql_storage_query_columnname($field_name, $column) {
+ return $column;
+}
+
+/**
+ * Implements hook_field_storage_delete_revision().
+ *
+ * This function actually deletes the data from the database.
+ */
+function field_sql_storage_field_storage_delete_revision($entity_type, $entity, $fields) {
+ list($id, $vid, $bundle) = entity_extract_ids($entity_type, $entity);
+
+ if (isset($vid)) {
+ foreach ($fields as $field_id) {
+ $field = field_info_field_by_id($field_id);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+ db_delete($revision_name)
+ ->condition('entity_type', $entity_type)
+ ->condition('entity_id', $id)
+ ->condition('revision_id', $vid)
+ ->execute();
+ }
+ }
+}
+
+/**
+ * Implements hook_field_storage_delete_instance().
+ *
+ * This function simply marks for deletion all data associated with the field.
+ */
+function field_sql_storage_field_storage_delete_instance($instance) {
+ $field = field_info_field($instance['field_name']);
+ $table_name = _field_sql_storage_tablename($field);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+ db_update($table_name)
+ ->fields(array('deleted' => 1))
+ ->condition('entity_type', $instance['entity_type'])
+ ->condition('bundle', $instance['bundle'])
+ ->execute();
+ db_update($revision_name)
+ ->fields(array('deleted' => 1))
+ ->condition('entity_type', $instance['entity_type'])
+ ->condition('bundle', $instance['bundle'])
+ ->execute();
+}
+
+/**
+ * Implements hook_field_attach_rename_bundle().
+ */
+function field_sql_storage_field_attach_rename_bundle($entity_type, $bundle_old, $bundle_new) {
+ // We need to account for deleted or inactive fields and instances.
+ $instances = field_read_instances(array('entity_type' => $entity_type, 'bundle' => $bundle_new), array('include_deleted' => TRUE, 'include_inactive' => TRUE));
+ foreach ($instances as $instance) {
+ $field = field_info_field_by_id($instance['field_id']);
+ if ($field['storage']['type'] == 'field_sql_storage') {
+ $table_name = _field_sql_storage_tablename($field);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+ db_update($table_name)
+ ->fields(array('bundle' => $bundle_new))
+ ->condition('entity_type', $entity_type)
+ ->condition('bundle', $bundle_old)
+ ->execute();
+ db_update($revision_name)
+ ->fields(array('bundle' => $bundle_new))
+ ->condition('entity_type', $entity_type)
+ ->condition('bundle', $bundle_old)
+ ->execute();
+ }
+ }
+}
+
+/**
+ * Implements hook_field_storage_purge_field().
+ *
+ * All field data items and instances have already been purged, so all
+ * that is left is to delete the table.
+ */
+function field_sql_storage_field_storage_purge_field($field) {
+ $table_name = _field_sql_storage_tablename($field);
+ $revision_name = _field_sql_storage_revision_tablename($field);
+ db_drop_table($table_name);
+ db_drop_table($revision_name);
+}
+
+/**
+ * Implements hook_field_storage_details().
+ */
+function field_sql_storage_field_storage_details($field) {
+ $details = array();
+ if (!empty($field['columns'])) {
+ // Add field columns.
+ foreach ($field['columns'] as $column_name => $attributes) {
+ $real_name = _field_sql_storage_columnname($field['field_name'], $column_name);
+ $columns[$column_name] = $real_name;
+ }
+ return array(
+ 'sql' => array(
+ FIELD_LOAD_CURRENT => array(
+ _field_sql_storage_tablename($field) => $columns,
+ ),
+ FIELD_LOAD_REVISION => array(
+ _field_sql_storage_revision_tablename($field) => $columns,
+ ),
+ ),
+ );
+ }
+}