从多个表返回相关日期，包括其他表信息 [英] Returning relevant date from multiple tables including additional table info

问题描述

这是先前通过stackoverflow(

This is continuing on from a query that was solved previously via stackoverflow (Returning nearest date to date in a different table), however, I now wish to develop it a little further.

我拥有的SQL是这样的:

The SQL I have is this:

SELECT *
FROM (SELECT O_ASSESSMENTS.ASM_SUBJECT_ID as "P Number", 
             O_ASSESSMENTS.ASM_ID as "Assessment ID", 
             O_ASSESSMENTS.ASM_START_DATE as "Assessment Start",  
             O_ASSESSMENTS.ASM_END_DATE as "Assessment End", 
             O_SERVICE_EVENTS.SEV_ID as "Event ID", 
             O_SERVICE_EVENTS.SEV_ACTUAL_DATE as "Event Start", 
             O_SERVICE_EVENTS.SEV_OUTCOME_DATE as "Event End",
             ROUND(O_ASSESSMENTS.ASM_START_DATE -O_SERVICE_EVENTS.SEV_ACTUAL_DATE,0) as "Likely",
             row_number() over(PARTITION BY  O_ASSESSMENTS.ASM_ID                                    
                               ORDER BY abs(O_ASSESSMENTS.ASM_START_DATE -  O_SERVICE_EVENTS.SEV_ACTUAL_DATE))as "Row Number"            
      FROM O_ASSESSMENTS 
      JOIN O_SERVICE_EVENTS
        ON O_ASSESSMENTS.ASM_SUBJECT_ID = O_SERVICE_EVENTS.SEV_SUBJECT_ID
      Where O_SERVICE_EVENTS.SEV_CODE IN ('ICS_E3','CPINVEST') AND 
            O_ASSESSMENTS.ASM_QSA_ID  IN ('AA1329','AA521') )
WHERE "Row Number" = 1

基本上，我们有两个表-o_assessments和o_service_events，并且此SQL将最近的服务事件返回到评估中.现在，我想在查询中包含一些更复杂的信息，以使其对最终用户更有帮助-即团队名称和工作人员名称.

Basically, we have two tables - o_assessments and o_service_events, and this SQL is returning the nearest service event to the assessment. Now I want to include some more contexual information into the query to make it more helpful for the end user - namely the team name and the worker name.

不幸的是，团队和工作人员又在另一个表中(o_职责)，并且通过asm_id与res_rec_id链接到o_assessments.

Unfortunately, team and worker are in a different table again (o_responsibilities), and are linked to the o_assessments by asm_id to res_rec_id.

问题是，我真的不确定如何在上述sql中调用此表-因此，任何建议都将不胜感激！

Problem is, I'm really not sure how to call this table into the above sql - so any advice would really be appreciated!

我还想知道，是否有可能调整现有查询以仅在可能"字段的差为0(因为更大的值可能与该特定评估无关)时才返回相应事件.我知道我可以将其添加到where，但是如果我添加该行

I was also wondering if it would be possible to tweak the existing query to only return corresponding events when the 'likely' field had a difference of 0 (as anything greater is probably not related to that particular assessment). I know I can add it into the where, but if I add the line

and "Likely" = 0

它仅返回带有事件的评估，不会突出显示任何问题(即没有相应事件的评估).

it only returns assessments with an event, which wouldn't highlight any issues (i.e. assessments without corresponding events).

我一直在使用SQL进行学习，但是目前有很多事情似乎真的超出了我的范围，因此，任何建议都将不胜感激！我不确定是要修改原始查询还是开始新查询，所以希望我不会无意间违反任何规则.

I'm learning all the time with SQL, but there are a lot of things that just seem really beyond me at the moment, so any advice is much appreciated! I wasn't sure whether to amend my original query or to start a new one, so I hope I haven't infringed on any rules inadvertently.

好的，按照Mark的解决方案，这就是我的工作.

Okay, following Mark's solution, this is what I have working.

SELECT 
* 
FROM 
(SELECT 
OAS.ASM_SUBJECT_ID as "P Number",
OAS.ASM_ID as "Assessment ID",
OAS.ASM_START_DATE as "Assessment Start", 
OAS.ASM_END_DATE as "Assessment End",
OAS.ASM_AUTH_DATETIME as "Authorisation Date",
nvl(olm_bo.get_ref_desc(OAS.ASM_OUTCOME,'ASM_OUTCOME'),'') as "Outcome",
nvl(olm_bo.get_org_name(ORE.RES_PARTY_OUN_ID),'') as "Team",
nvl(olm_bo.get_per_name(ORE.RES_PARTY_ID),'') as "Worker",
OSE.SEV_ID as "Event ID",
OSE.SEV_ACTUAL_DATE as "Event Start",
OSE.SEV_OUTCOME_DATE as "Event End",
ROUND(OAS.ASM_START_DATE -OSE.SEV_ACTUAL_DATE,0) as "Likely",
row_number() over(PARTITION BY  OAS.ASM_ID                   
ORDER BY 
abs(OAS.ASM_START_DATE -  OSE.SEV_ACTUAL_DATE))as "Row Number"
FROM O_ASSESSMENTS OAS      
INNER JOIN O_RESPONSIBILITIES ORE ON OAS.ASM_ID = ORE.RES_REC_ID
AND ORE.RES_PARTY_OUN_ID = 'TEAM'
LEFT JOIN O_SERVICE_EVENTS OSE ON OAS.ASM_SUBJECT_ID = OSE.SEV_SUBJECT_ID 
AND            
OSE.SEV_CODE IN ('EVENT') 
AND             
ROUND(OAS.ASM_START_DATE - OSE.SEV_ACTUAL_DATE,0) >= -7
AND
ROUND(OAS.ASM_START_DATE - OSE.SEV_ACTUAL_DATE,0) <= 7
Where OAS.ASM_QSA_ID  IN ('ACODE')
AND
nvl(olm_bo.get_ref_desc(OAS.ASM_OUTCOME,'ASM_OUTCOME'),'') <> 'Abandon' ) WHERE "Row Number" = 1 

推荐答案

尝试:

SELECT *
FROM (SELECT OAS.ASM_SUBJECT_ID as "P Number", 
             OAS.ASM_ID as "Assessment ID", 
             OAS.ASM_START_DATE as "Assessment Start",  
             OAS.ASM_END_DATE as "Assessment End", 
             ORE.TEAM,
             ORE.WORKER,
             OSE.SEV_ID as "Event ID", 
             OSE.SEV_ACTUAL_DATE as "Event Start", 
             OSE.SEV_OUTCOME_DATE as "Event End",
             ROUND(OAS.ASM_START_DATE -OSE.SEV_ACTUAL_DATE,0) as "Likely",
             row_number() over(PARTITION BY  OAS.ASM_ID                                    
                               ORDER BY abs(OAS.ASM_START_DATE -  OSE.SEV_ACTUAL_DATE))as "Row Number"            
      FROM O_ASSESSMENTS OAS
      LEFT JOIN O_RESPONSIBILITIES ORE
        ON OAS.ASM_ID = ORE.RES_REC_ID
      LEFT JOIN O_SERVICE_EVENTS OSE
        ON OAS.ASM_SUBJECT_ID = OSE.SEV_SUBJECT_ID AND
           OSE.SEV_CODE IN ('ICS_E3','CPINVEST') AND 
           ROUND(OAS.ASM_START_DATE - OSE.SEV_ACTUAL_DATE,0) = 0
      Where OAS.ASM_QSA_ID  IN ('AA1329','AA521') )
WHERE "Row Number" = 1

请注意，这假定RES_REC_ID是O_RESPONSIBILITIES上的唯一标识符.

Note that this assumes that RES_REC_ID is a unique identifier on O_RESPONSIBILITIES.

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