在多個條件下使用多個JOIN

我嘗試使用多個幫助表來顯示計時器的狀態。（使用php的瀏覽器）幫助器表格用於在語言之間切換。在多個條件下使用多個JOIN

這裏定時器類型輔助表：

+-------------+------+------------------+ 
| lfdLanguage | Type | TText   | 
+-------------+------+------------------+ 
|   0 | 0 | Puls    | 
|   0 | 1 | steigende Flanke | 
|   0 | 2 | fallende Flanke | 
|   1 | 0 | Pulse   | 
|   1 | 1 | rissing edge  | 
|   1 | 2 | falling edge  | 
+-------------+------+------------------+

和日活躍：

+-------------+--------+--------+ 
| lfdLanguage | Active | ACText | 
+-------------+--------+--------+ 
|   0 |  0 | _  | 
|   0 |  1 | X  | 
|   1 |  0 | _  | 
|   1 |  1 | X  | 
+-------------+--------+--------+

我通常使用相等連接，但在這裏我想顯示的天后地位（即RunMonday，...）使用相同的輔助表。

使用下面的語句沒有AND WHERE HTT.lfdLanguage = 0工作正常。

但是用where聲明我不能exexute。我得到一個錯誤：

('ERROR 1064 (42000): .....')

SELECT DISTINCT 
    T.lfdTimer, 
    T.Active, 
    T.Name, 
    T.Type,   HTT.TText, 
    T.RunMonday, HTDA1.ACText, 
    T.RunTuesday, HTDA2.ACText, 
    T.RunWednesady, HTDA3.ACText, 
    T.RunThursday, HTDA4.ACText, 
    T.RunFriday, HTDA5.ACText, 
    T.RunSaturday, HTDA6.ACText, 
    T.RunSunday, HTDA7.ACText 
FROM 
    Timer T 
INNER JOIN HelpTimerType  HTT ON (T.Type   = HTT.Type  AND WHERE HTT.lfdLanguage = 0); 
LEFT JOIN HelpTimerDayActive HTDA1 ON (T.RunMonday = HTDA1.Active) 
LEFT JOIN HelpTimerDayActive HTDA2 ON (T.RunTuesday = HTDA2.Active) 
LEFT JOIN HelpTimerDayActive HTDA3 ON (T.RunWednesady = HTDA3.Active) 
LEFT JOIN HelpTimerDayActive HTDA4 ON (T.RunThursday = HTDA4.Active) 
LEFT JOIN HelpTimerDayActive HTDA5 ON (T.RunFriday = HTDA5.Active) 
LEFT JOIN HelpTimerDayActive HTDA6 ON (T.RunSaturday = HTDA6.Active) 
LEFT JOIN HelpTimerDayActive HTDA7 ON (T.RunSunday = HTDA7.Active) 
;

任何想法如何包括語言選擇到JOIN的？

所有幫助表示讚賞。感謝

來源

2017-08-24 Rainer

下一次請分享完整的錯誤信息！只提供錯誤號碼，而不提供描述是完全沒有意義的。 – Shadow

where子句來畢竟加入：

SELECT DISTINCT 
    T.lfdTimer, 
    T.Active, 
    T.Name, 
    T.Type,   HTT.TText, 
    T.RunMonday, HTDA1.ACText, 
    T.RunTuesday, HTDA2.ACText, 
    T.RunWednesady, HTDA3.ACText, 
    T.RunThursday, HTDA4.ACText, 
    T.RunFriday, HTDA5.ACText, 
    T.RunSaturday, HTDA6.ACText, 
    T.RunSunday, HTDA7.ACText 
FROM 
    Timer T 
INNER JOIN HelpTimerType  HTT ON (T.Type   = HTT.Type) 
LEFT JOIN HelpTimerDayActive HTDA1 ON (T.RunMonday = HTDA1.Active) 
LEFT JOIN HelpTimerDayActive HTDA2 ON (T.RunTuesday = HTDA2.Active) 
LEFT JOIN HelpTimerDayActive HTDA3 ON (T.RunWednesady = HTDA3.Active) 
LEFT JOIN HelpTimerDayActive HTDA4 ON (T.RunThursday = HTDA4.Active) 
LEFT JOIN HelpTimerDayActive HTDA5 ON (T.RunFriday = HTDA5.Active) 
LEFT JOIN HelpTimerDayActive HTDA6 ON (T.RunSaturday = HTDA6.Active) 
LEFT JOIN HelpTimerDayActive HTDA7 ON (T.RunSunday = HTDA7.Active) 
WHERE HTT.lfdLanguage = 0 
;

來源

2017-08-24 21:15:45 Shadow

我想在所有表格上選擇正確的語言。甚至涉及更多。謝謝無論如何 – Rainer

從內部聯接取出

WHERE

，這是錯誤的語法。

來源

2017-08-24 21:16:01 isaace

我知道這是微不足道的。 :) 非常感謝您的支持。完美的作品也與更多的幫助表。計時器表格非常大。再次感謝 – Rainer

在多個條件下使用多個JOIN

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