/** * Add a table to the query. * * This is an advanced concept; not only does it add a new instance of the table, * but it follows the relationship path all the way down to the relationship * link point and adds *that* as a new relationship and then adds the table to * the relationship, if necessary. */ public function addTable($join = NULL, $alias = NULL) { // This is used for lookups in the many_to_one table. $field = $this->handler->relationship . '_' . $this->handler->table . '.' . $this->handler->field; if (empty($join)) { $join = $this->getJoin(); } // See if there's a chain between us and the base relationship. If so, we need // to create a new relationship to use. $relationship = $this->handler->relationship; // Determine the primary table to seek if (empty($this->handler->query->relationships[$relationship])) { $base_table = $this->handler->view->storage->get('base_table'); } else { $base_table = $this->handler->query->relationships[$relationship]['base']; } // Cycle through the joins. This isn't as error-safe as the normal // ensurePath logic. Perhaps it should be. $r_join = clone $join; while ($r_join->leftTable != $base_table) { $r_join = HandlerBase::getTableJoin($r_join->leftTable, $base_table); } // If we found that there are tables in between, add the relationship. if ($r_join->table != $join->table) { $relationship = $this->handler->query->addRelationship($this->handler->table . '_' . $r_join->table, $r_join, $r_join->table, $this->handler->relationship); } // And now add our table, using the new relationship if one was used. $alias = $this->handler->query->addTable($this->handler->table, $relationship, $join, $alias); // Store what values are used by this table chain so that other chains can // automatically discard those values. if (empty($this->handler->view->many_to_one_tables[$field])) { $this->handler->view->many_to_one_tables[$field] = $this->handler->value; } else { $this->handler->view->many_to_one_tables[$field] = array_merge($this->handler->view->many_to_one_tables[$field], $this->handler->value); } return $alias; }
/** * Retrieve join data from the larger join data cache. * * @param $table * The table to get the join information for. * @param $base_table * The path we're following to get this join. * * @return \Drupal\views\Plugin\views\join\JoinPluginBase * A Join object or child object, if one exists. */ public function getJoinData($table, $base_table) { // Check to see if we're linking to a known alias. If so, get the real // table's data instead. if (!empty($this->tableQueue[$table])) { $table = $this->tableQueue[$table]['table']; } return HandlerBase::getTableJoin($table, $base_table); }
/** * Add the name field, which is the field displayed in summary queries. * This is often used when the argument is numeric. */ protected function summaryNameField() { // Add the 'name' field. For example, if this is a uid argument, the // name field would be 'name' (i.e, the username). if (isset($this->name_table)) { // if the alias is different then we're probably added, not ensured, // so look up the join and add it instead. if ($this->tableAlias != $this->name_table) { $j = HandlerBase::getTableJoin($this->name_table, $this->table); if ($j) { $join = clone $j; $join->leftTable = $this->tableAlias; $this->name_table_alias = $this->query->addTable($this->name_table, $this->relationship, $join); } } else { $this->name_table_alias = $this->query->ensureTable($this->name_table, $this->relationship); } } else { $this->name_table_alias = $this->tableAlias; } if (isset($this->name_field)) { $this->name_alias = $this->query->addField($this->name_table_alias, $this->name_field); } else { $this->name_alias = $this->base_alias; } }