Insert multiple rows using a single query - joomla

Question

Can Joomla's DB object add multiple rows at once? MySQL can do this like so:
INSERT INTO x (a,b)
VALUES
('1', 'one'),
('2', 'two'),
('3', 'three')
But can Joomla's own functions achieve the same thing in a single query? Currently I am doing a loop to insert each row (same table) in separate query. Not a good idea when dealing with tons of rows at once.

Answer 1

In your model you can do this:
$db = $this->getDBO();
$query = "
INSERT INTO x (a,b)
VALUES
('1', 'one'),
('2', 'two'),
('3', 'three')
";
$db->setQuery($query);
$db->query();
If you are outside your model you need to get the DB object like so:
$db = JFactory::getDBO();

Answer 2

You can use:
$db = JFactory::getDbo();
$query = $db->getQuery(true); // !important, true for every new query
$query->insert('#__table_name'); // #__table_name = databse prefix + table name
$query->set('`1`="one"');
$query->set('`2`="two"');
$query->set('`3`="three"');
/* or something like this:
$query->columns('`1`,`2`,`3`');
$query->values('"one","two","three"');
*/
$db->setQuery($query);
$db->query();
and $db->insertId() can return you autoinc id if you have one.

Answer 3

Try this, if you have values in an array :
$query = $this->db->getQuery(true);
$query->insert($this->db->quoteName('#__table_name'));
$query->columns($this->db->quoteName(array('col_1','col_2','col_3','col_4')));
for($i=0; $i < lengthOfArray; $i++)
{
$values= $arr_1[$i].','.$this->db->quote($arr_2[$i]).','.$this->db->quote($arr_3[$i]).','. $arr_4[$i];
$query->values($values);
}
$this->db->setQuery($query);
$result = $this->db->query();

Answer 4

You don't need $db = $this->getDBO();
just use this:-
$query = "
INSERT INTO x (a,b)
VALUES
('1', 'one'),
('2', 'two'),
('3', 'three')
";
$this->_db->setQuery($query);
$this->_db->query();

Answer 5

Try this:
$db = JFactory::getDbo();
$query = $db->getQuery(true);
$query->insert('x');
$query->columns('a,b');
$query->values('1', 'one');
$query->values('2', 'two');
$query->values('3', 'three');
$db->setQuery($query);
$db->query();
A description of "values" method
Adds a tuple, or array of tuples that would be used as values for an INSERT INTO statement.
Usage:
$query->values('1,2,3')->values('4,5,6');
$query->values(array('1,2,3', '4,5,6'));

Answer 6

In latest version of Joomla!, you can use it's own DB class as follows. Remember to use 'quoteName()' and 'quote()' functions as you needed.
$dbo = JFactory::getDbo();
$query = $dbo->getQuery(true);
$columns = array('col_one','col_two', 'col_three');
$values = array();
//if you need, here you can use forloop/foreach loop to populate the array
$values[] = 'val_1, val_2, val_3'; // first row values
$values[] = 'val_4, val_5, val_6'; // second row values
...
$query->insert($dbo->quoteName('#__table_name'));
$query->columns($columns);
$query->values($values);
$dbo->setQuery($query);
$dbo->query();
Hope this saves your time. Thanks. Happy coding! :)

Answer 7

...
$columns = array('user_id', 'type', 'object', 'lvl', 'date');
$values = array();
foreach ($batch as $row) {
$array = array(
$row->user_id,
$db->quote($row->type),
$db->quote($row->object),
$db->quote($row->lvl),
$db->quote($row->date),
);
$values[] = implode(',', $array);
}
$query->insert($db->quoteName('#activity_log'));
$query->columns($db->quoteName($columns));
$query->values($values);
$db->setQuery($query);
$result = $db->execute();