/**
* Provides a shared instance of the Query Builder.
*
* @param string $table
*
* @return BaseBuilder|Database\QueryBuilder
*/
protected function builder(string $table = null)
{
if ($this->builder instanceof BaseBuilder) {
return $this->builder;
}
$table = empty($table) ? $this->table : $table;
// Ensure we have a good db connection
if (!$this->db instanceof BaseConnection) {
$this->db = Database::connect($this->DBGroup);
}
$this->builder = $this->db->table($table);
return $this->builder;
}
/**
* Removes a single history
*
* @param string $version
* @param string $group The database group
*/
protected function removeHistory($version, $group = 'default')
{
$this->db->table($this->table)->where('version', $version)->where('group', $group)->delete();
}
