如何處理這樣的SQL查詢返回值？（PHP＆MySQL）

Question

我的公司讓我根據不同的條件從數據庫中提取數據，並將這些數據呈現在HTML表格中。而且我還需要在表格中添加一個新字段，以根據這些不同的條件顯示相應的類別代碼。有11個不同的條件需要處理。什麼是最好的方式來做到這一點？寫11個查詢並將它們放入11個函數中？或者將它們放入相同的函數並判斷返回的值。

這在我的新公司第一個獨立分配，並且是對我很重要，所以請大家幫幫我~~

我很抱歉，我沒有說清楚。我正在使用PHP和MYSQL。這11個條件彼此相似。我知道如何編寫查詢，但我不知道如何操作和排序返回的值，以及如何將它們放入同一個HTML表格中。我還需要在表格中添加一個新字段來區分它們的類型。

我連着在這裏的一些代碼：

function getMailableUserlist(){ 
    global $_db; 

    $mailableQuery1 = " 
     SELECT users.id, clients.name AS client, users.social_security_number AS ssn, users.hiredate FROM users 
     INNER JOIN clients 
     ON(
      users.client_id = clients.id 
      ) 
     INNER JOIN hra 
     ON(
      users.id = hra.user_id 
      ) 
     INNER JOIN screening 
     ON(
      users.id = screening.user_id 
     ) 
     WHERE users.client_id = '1879' 
     AND (users.hiredate BETWEEN '2011-01-01' AND '2011-08-14' 
     OR users.hiredate IS NULL) 
     AND hra.date BETWEEN '2011-07-01' AND '2011-11-15' 
     AND hra.maileddate IS NULL 
     AND screening.date BETWEEN '2011-05-15' AND '2011-11-15' 
     AND screening.maileddate IS NULL 
     GROUP BY users.id"; 

    $mailableQuery2 = " 
     SELECT users.id, clients.name AS client, users.social_security_number AS ssn, users.hiredate, hra.date AS hra, screening.date AS screening FROM users 
     INNER JOIN clients 
     ON(
      users.client_id = clients.id 
      ) 
     INNER JOIN hra 
     ON(
      users.id = hra.user_id 
      AND hra.date + INTERVAL 30 DAY >= NOW() 
      ) 
     LEFT JOIN screening 
     ON(
      users.id = screening.user_id 
     ) 
     WHERE users.client_id = '1879' 
     AND (users.hiredate BETWEEN '2011-01-01' AND '2011-08-14' 
     OR users.hiredate IS NULL) 
     AND hra.date BETWEEN '2011-07-01' AND '2011-11-15' 
     AND hra.maileddate IS NULL 
     AND (screening.date < 2011-05-15 OR screening.date > 2011-11-15) 
     GROUP BY users.id"; 

     There are 9 more queries coming............... 


     $result = $_db->getResultsForQuery($mailableQuery1); 


     return $result; 


The table are as follows: 

<table id="unmailedScreeningstable" class="reportTable"> 
    <thead> 
    <tr> 
     <th>User ID</th> 
     <th>client</th> 
     <th>ssn</th> 
     <th>hiredate</th> 
    </tr> 
    </thead> 
    <tbody> 
    <?php foreach(getProvenaMailableUserlist() as $userlist) { ?> 
    <tr user_id="<?php echo $userlist['id']; ?>"> 
     <td><?php echo $userlist['id']; ?></td> 
     <td><?php echo $userlist['client']; ?></td> 
     <td><?php echo $userlist['ssn']; ?></td> 
     <td><?php echo $userlist['hiredate']; ?></td> 
    </tr> 
     <?php } ?> 
    </tbody> 
</table> 

Answer 1

如果你是像我這樣的新手然後W3Schools的具有在以下鏈接PHP，MySQL的一個簡單的例子，HTML http://www.w3schools.com/php/php_mysql_where.asp

Answer 2

SQL明智的，因爲你總是在尋找相同的列，這看起來像一個UNION操作。如果每個查詢的條件變化只是日期，並且所有的日期都會被預先知道，我會考慮編寫一個函數爲Sql中的每個查詢執行UNION，然後返回您的最終表，而不是分離出查詢。

下面是我如何在存儲過程中編寫這個代碼的示例，您可以執行存儲過程，傳遞所需的參數，並將結果作爲您的最終表。 這可能不完全匹配MySQL的union或存儲過程的語法，但是這應該給你一個想法。

CREATE PROCEDURE usp_getMailableUsers( 
    @ClientID INT --(I'm assuming they are integers) 
    @HireDateRangeStart --(put whatever datatype your hire dates are stored in here) 
    @HireDateRangeEnd --(put whatever datatype your hire dates are stored in here) 
    @HraDateRangeStart -- (put whatever datatype your hire dates are stored in here) 
    @HraDateRangeEnd -- (put whatever datatype your hire dates are stored in here) 
    @ScreenDateRangeStart -- (put whatever datatype your hire dates are stored in here) 
    @ScreenDateRangeEnd -- (put whatever datatype your hire dates are stored in here) 
    -- add any other parameters needed here. 
) 
AS 
BEGIN 
-- Query 1 goes here 
(
SELECT 
    users.id,   
    clients.name AS client,   
    users.social_security_number AS ssn,   
    users.hiredate  
FROM users u 
INNER JOIN clients c 
ON u.client_id = c.id 
INNER JOIN hra h 
ON u.id = h.user_id 
INNER JOIN screening s 
ON u.id = s.user_id 
WHERE 
    u.client_id = @ClientID 
    AND (u.hiredate BETWEEN @HireDateRangeStart 
    AND @HireDateRangeEnd 
    OR u.hiredate IS NULL) 
    AND h.date BETWEEN @HraDateRangeStart AND @HraDateRangeEnd 
    AND h.maileddate IS NULL 
    AND (s.date < @ScreenDateRangeEnd 
    OR s.Date > @ScreenDateRangeStart) 
GROUP BY u.id, c.name, u.social_security_number, u.hiredate 
) 


UNION 

-- Query 2 goes here 
(
SELECT 
    users.id,   
    clients.name AS client,   
    users.social_security_number AS ssn,   
    users.hiredate  
FROM users u 
INNER JOIN clients c 
ON u.client_id = c.id 
INNER JOIN hra h 
ON u.id = h.user_id 
LEFT JOIN screening s 
ON u.id = s.user_id 
WHERE  
    u.client_id = @ClientID 
    AND (u.hiredate BETWEEN @HireDateRangeStart AND @HireDateRangeEnd OR u.hiredate IS NULL) 
    AND h.date BETWEEN @HraDateRangeStart AND @HraDateRangeEnd 
    AND h.maileddate IS NULL 
    AND (s.date < @ScreenDateRangeEnd OR s.Date > @ScreenDateRangeStart) 
GROUP BY u.id, c.name, u.social_security_number, u.hiredate 
) 

UNION 
-- Query 3 goes here 
(
-- put code for query 3 in this set, etc. 
) 

-- Repeat the word UNION and further queries until you are at the last one. 

END