有什么方法可以组合以下查询(我们可以使用 COUNT 或其他方式组合这些查询吗)。
$resultacgc = mysql_query("SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision='accept-gf')");
$numacgc = mysql_num_rows($resultacgc);
$resultacp = mysql_query("SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision='accept-p')");
$numacp = mysql_num_rows($resultacp);
$resultacpc = mysql_query("SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision='accept-pc')");
$numacpc = mysql_num_rows($resultacpc);
$resultacr = mysql_query("SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision='accept-rdy')");
$numacr = mysql_num_rows($resultacr);
$resultacft = mysql_query("SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision='accept-ft')");
$numacft = mysql_num_rows($resultacft);
P.S.:我知道“mysql_*”已被弃用。
谢谢
最佳答案
您可以使用mysql IN。
像这样:
"SELECT mno FROM table1 WHERE (m_jid='$sid' AND decision IN ('accept-gf', '...', '...'))"
如果您想获得每个计数,您需要执行以下操作:
"SELECT decision, COUNT(*) AS count FROM table1 WHERE (m_jid='$sid' AND decision IN ('accept-gf', '...', '...')) GROUP BY decision"
关于php - 通过在单个表中使用 count 来组合多个 mysql_num_rows 查询,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/36916802/