src/Data/BizDataSql.php
public function addSqlWhere($sqlWhere)
    {
        if ($sqlWhere == null)
            return;
        if ($this->_sqlWhere == null)
        {
            $this->_sqlWhere = $sqlWhere;
        }
        elseif (strpos($this->_sqlWhere, $sqlWhere) === false)
        {
            $this->_sqlWhere .= " AND " . $sqlWhere;
        }
    }
public function addSqlWhere($sqlWhere)
    {
        if ($sqlWhere == null)
            return;
        if ($this->_sqlWhere == null)
        {
            $this->_sqlWhere = $sqlWhere;
        }
        elseif (strpos($this->_sqlWhere, $sqlWhere) === false)
        {
            $this->_sqlWhere .= " AND " . $sqlWhere;
        }
    }
Add the where clause (search rule) into the SQL statement

@param string $sqlWhere SQL WHERE clause
@return void