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<?php
namespace PicoDb\Builder;
/**
* Class UpdateBuilder
*
* @package PicoDb\Builder
* @author Frederic Guillot
*/
class UpdateBuilder extends BaseBuilder
{
/**
* @var string[]
*/
protected $sumColumns = array();
/**
* Set columns name
*
* @access public
* @param string[] $columns
* @return $this
*/
public function withSumColumns(array $columns)
{
$this->sumColumns = $columns;
return $this;
}
/**
* Build SQL
*
* @access public
* @return string
*/
public function build()
{
$columns = array();
foreach ($this->columns as $column) {
$columns[] = $this->db->escapeIdentifier($column).'=?';
}
foreach ($this->sumColumns as $column) {
$columns[] = $this->db->escapeIdentifier($column).'='.$this->db->escapeIdentifier($column).' + ?';
}
return sprintf(
'UPDATE %s SET %s %s',
$this->db->escapeIdentifier($this->table),
implode(', ', $columns),
$this->conditionBuilder->build()
);
}
}
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