type = $type; $this->table = $table; $this->parentQuery = $parentQuery; parent::__construct( $parentQuery->getConnection(), $parentQuery->getGrammar(), $parentQuery->getProcessor() ); } /** * Add an "on" clause to the join. * * On clauses can be chained, e.g. * * $join->on('contacts.user_id', '=', 'users.id') * ->on('contacts.info_id', '=', 'info.id') * * will produce the following SQL: * * on `contacts`.`user_id` = `users`.`id` and `contacts`.`info_id` = `info`.`id` * * @param \Closure|string $first * @param string|null $operator * @param string|null $second * @param string $boolean * @return $this * * @throws \InvalidArgumentException */ public function on($first, $operator = null, $second = null, $boolean = 'and') { if ($first instanceof Closure) { return $this->whereNested($first, $boolean); } return $this->whereColumn($first, $operator, $second, $boolean); } /** * Add an "or on" clause to the join. * * @param \Closure|string $first * @param string|null $operator * @param string|null $second * @return \Illuminate\Database\Query\JoinClause */ public function orOn($first, $operator = null, $second = null) { return $this->on($first, $operator, $second, 'or'); } /** * Get a new instance of the join clause builder. * * @return \Illuminate\Database\Query\JoinClause */ public function newQuery() { return new static($this->parentQuery, $this->type, $this->table); } /** * Create a new query instance for sub-query. * * @return \Illuminate\Database\Query\Builder */ protected function forSubQuery() { return $this->parentQuery->newQuery(); } }