/** * Call children's SQL builders * @param epQueryNode &$node * @param string $seperator * @param boolean $use_parentheses Whether to use parentheses around child results * @return boolean */ protected function _buildSqlChildren(epQueryNode &$node, $seperator = ' ', $use_parentheses = false) { $results = array(); if ($children = $node->getChildren()) { foreach ($children as &$child) { if ($result = $this->buildSql($child)) { $results[] = $result; } } } // use parentheses only when we have more than one child results if ($use_parentheses && count($results) > 1) { foreach ($results as $k => $result) { $results[$k] = '(' . $result . ')'; } } return implode($seperator, $results); }
/** * Call children's SQL builders * @return boolean */ protected function _buildSqlChildren(epQueryNode &$node, $seperator = ' ') { $results = array(); if ($children = $node->getChildren()) { foreach ($children as &$child) { $results[] = $this->buildSql($child); } } return implode($seperator, $results); }