SQL顯示記錄發生在字段中某個特定日期類型的最新信息後

Question

我有一組關於麪包車（序列號，工作號，工作類型和當前里程）的記錄。

select serial_number, call_ref, call_type_description, callm_data19 
from calls 
left join equipment on link_to_equipment=equipment_code 
inner join lu_call_types on call_type=call_type_code 
left join call_more on call_ref=callm_link_to_call 
where serial_number = 'SH12ZLN' 
order by call_ref desc 

我希望能夠顯示在最近的「麪包車服務」記錄後發生的下一個「麪包車檢查」記錄。

這裏是數據

SH12ZLN 3023152 Van Inspection 83980 
SH12ZLN 3019319 Van Inspection 83046 
SH12ZLN 3016999 Van Servicing NULL 
SH12ZLN 3016346 Van Inspection 81818 
SH12ZLN 3012977 Van Inspection 80742 
SH12ZLN 3010435 Van Inspection 79909 
SH12ZLN 3008528 Van Repairs NULL 
SH12ZLN 3006880 Van Inspection 78577 
SH12ZLN 3001942 Van Inspection 76974 
SH12ZLN 2998209 Van Inspection 75976 
SH12ZLN 2994475 Van Inspection 75285 
SH12ZLN 2991756 Van Repairs NULL 
SH12ZLN 2989642 Van Inspection 74408 
SH12ZLN 2985795 Van Inspection 73642 
SH12ZLN 2981952 Van Inspection 72838 
SH12ZLN 2978257 Van Inspection 72011 
SH12ZLN 2975667 Van Inspection 70692 
SH12ZLN 2972244 Van Inspection 69732 
SH12ZLN 2969157 Van Inspection 68821 
SH12ZLN 2959335 Van Inspection 67891 
SH12ZLN 2956295 Van Inspection 66994 
SH12ZLN 2948516 Van Inspection 66481 
SH12ZLN 2946213 Van Inspection 65778 
SH12ZLN 2939497 Van Inspection 64408 
SH12ZLN 2937538 Van Inspection 63765 
SH12ZLN 2934421 Van Inspection 62937 
SH12ZLN 2932707 Van Inspection 61645 
SH12ZLN 2930711 Van Inspection 60713 
SH12ZLN 2930023 Van Inspection 59683 
SH12ZLN 2924989 Van Inspection 58372 
SH12ZLN 2924830 Van Repairs NULL 
SH12ZLN 2922412 Van Inspection 57474 
SH12ZLN 2919005 Van Servicing NULL 
SH12ZLN 2918376 Van Repairs NULL 

澄清的快照 - 我希望它只能產生以下記錄

SH12ZLN 3019319 Van Inspection 83046 

Answer 1

問題澄清我已經編輯我的答案後。 爲了解決這個問題，你應該找到最新的'Van服務'類型的job_number，這意味着最近的一個。你將其與子查詢可能：

SELECT MAX(job_number) FROM tbl WHERE id = 'SH12ZLN' AND type = 'Van Servicing' 

你之後，你有最近的維修job_number只是job_number高於最近發現並選擇行與最低job_number過濾行。

最終的查詢可能看起來像以下：

SELECT TOP 1 * FROM tbl WHERE 
job_number > (SELECT MAX(job_number) FROM tbl WHERE id = 'SH12ZLN' 
    AND type = 'Van Servicing') 
AND type = 'Van Inspection' 
ORDER BY job_number ASC 

退房sqlfiddle嘗試一下：http://sqlfiddle.com/#!3/64dfc/2

附：正如我可以從最初的問題，你的樣本數據是從查詢本身收到的。您的查詢可能會增強以返回所需，但我需要所有表的模式。