Question

我正在使用IBM工具“JRS”从DB2中“RTC”中提取数据。我有下面的代码，它工作得很好：

SELECT  

    CASE WHEN (T3.REQUEST_TYPE = 'Corretiva' OR T3.REQUEST_TYPE = 'Corretiva Interna' )
    THEN (MAX(T1.ACTUAL_WORK) - MIN(T1.ACTUAL_WORK))/3600
    ELSE 0 
    END AS CORRETIVAS_TIME,
    (MAX(T1.ACTUAL_WORK) - MIN(T1.ACTUAL_WORK))/3600 AS TOTAL_TIME

FROM RICALM.VW_RQST_HISTORY T1 -- HISTORICO DA TAREFA
INNER JOIN RICALM.VW_RQST_HISTORY T0 -- HISTORICO ANTERIOR DA TAREFA
ON T0.REQUEST_HISTORY_ID = T1.PREV_REQUEST_HISTORY_ID
INNER JOIN RIDW.VW_REQUEST T2 -- TAREFA
ON T2.REQUEST_ID = T1.REQUEST_ID 
  INNER JOIN RIDW.VW_REQUEST_RELATIONAL_LINK LT1
  ON T2.REQUEST_ID = LT1.REQUEST1_ID AND LT1.NAME = 'com.ibm.team.workitem.linktype.parentworkitem'
    INNER JOIN RIDW.VW_REQUEST T3 -- CORRETIVA
    ON LT1.REQUEST2_ID = T3.REQUEST_ID AND LT1.NAME = 'com.ibm.team.workitem.linktype.parentworkitem'

WHERE (  YEAR(CURRENT_TIMESTAMP)*12 + MONTH(CURRENT_TIMESTAMP) = YEAR(T1.REC_DATETIME)*12 + MONTH(T1.REC_DATETIME)
) 
AND T1.ACTUAL_WORK <> T0.ACTUAL_WORK
AND  T2.REQUEST_TYPE = 'Tarefa'
AND (T3.REQUEST_CATEGORY_NAME = 'SIENGE/Manutenção Contínua/MC-COMCRC' OR
T3.REQUEST_CATEGORY_NAME = 'SIENGE/Manutenção Programada/MP-COMCRC') 
AND 
(T1.ISSOFTDELETED = 0 AND T2.ISSOFTDELETED = 0 AND T3.ISSOFTDELETED = 0)

GROUP BY T1.REFERENCE_ID,T3.REQUEST_TYPE

导致以下表格：

corretivas_time
total_time
0   0
0   6
0   0
0   6
0   0
1   1
4   4

现在我想得到每列的总和来比较彼此，所以我做了以下选择：

SELECT  

    SUM(CASE WHEN (T3.REQUEST_TYPE = 'Corretiva' OR T3.REQUEST_TYPE = 'Corretiva Interna' )
    THEN (MAX(T1.ACTUAL_WORK) - MIN(T1.ACTUAL_WORK))/3600
    ELSE 0 
    END) AS CORRETIVAS_TIME,
    SUM((MAX(T1.ACTUAL_WORK) - MIN(T1.ACTUAL_WORK))/3600) AS TOTAL_TIME

剩下的就是一样......

我收到此错误：

CRRGW5628E com.ibm.db2.jcc.am.SqlSyntaxErrorException错误验证由DB2 SQL引起的输入SQL字符串时发生错误：SQLCODE = -112，SQLSTATE = 42607，SQLERRMC = SUM，DRIVER = 4.14.121。

我也试过这段代码：

SELECT SUM(SELECT  

    CASE WHEN (T3.REQUEST_TYPE = 'Corretiva' OR T3.REQUEST_TYPE = 'Corretiva Interna' )
    THEN (MAX(T1.ACTUAL_WORK) - MIN(T1.ACTUAL_WORK))/3600
    ELSE 0 
    END AS CORRETIVAS_TIME

其余的都是一样的。

我收到了这个错误：

CRRGW5628E com.foundationdb.sql.parser.SQLParserException错误在验证由Encountered引起的输入SQL字符串时发生 “”在第2栏第12栏。期待以下之一：。

Answer 1

我几乎可以肯定你想要这样的东西：

while COUNT < GENERATIONS:       
    for i in range(NP):
        a, b, c = (i, i, i)
        while i in (a, b, c):
            a, b, c = random.sample(xrange(NP), 3)

sum（）

1 个答案: