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function getOne($sql)
{
if (is_resource($sql)) {
$res = $sql;
} else {
$res = $this->execute($sql);
}
$row = pg_fetch_row($res);
pg_free_result($res);
return isset($row[0]) ? $row[0] : null;
}
$countsql = "select count(*) as count from ffed where Cwtype = '临时车位'";
$count = $this->db->getOne($countsql);
echo $count;