代码之家 › 专栏 › 技术社区 › Pam S.

从现有表迭代以创建另一个表-Qlikview

qliksense qlikview stored-procedures

Pam S. · 技术社区 · 7 年前

如果标题不够清楚,我很抱歉,但在Qlikview中可以这样做吗?

Variable   Status   Date                    Duration (Hours)
A          StatusA  9/10/2017 18:30:00.00   4
A          StatusB  9/10/2017 23:30:00.00   5
B          StatusA  9/10/2017 10:00:00.00   8
B          StatusB  9/10/2017 21:45:00.00   9

以及我希望它如何处理。

Variable   Status   Date                    Duration (Hours)    FinishDate
A          StatusA  9/10/2017 18:30:00.00   4                   9/10/2017 22:30:00.00
A          StatusB  9/10/2017 23:30:00.00   0.5                 9/10/2017 23:59:59.59
A          StatusB  9/11/2017 0:00:00.00    4.5                 9/11/2017 3:30:00.00
B          StatusA  9/10/2017 10:00:00.00   8                   9/10/2017 18:00:00.00
B          StatusB  9/10/2017 21:45:00.00   2.25                9/10/2017 23:59:59.59
B          StatusB  9/11/2017 0:00:00.00    6.75                9/11/2017 6:15:00.00

我知道这可以通过常驻表实现,但如何检查 变量的 运行时间超过一天,然后创建另一行以分隔到第二天的持续时间。这是因为我每周都有一个过滤器,所以如果最后一天(或周六)有变量如果超过持续时间,数据将不准确。

结果数据将需要获得每个变量

脚本:

T1:
LOAD *, timestamp(Timestamp+[Duration Hours]/24) as FinishDate;
LOAD *, timestamp(Timestamp#(left(Date,19),'DD-MM-YYYY hh:mm:ss')) as Timestamp;
LOAD
    [EquipmentID] AS [Equipment ID],
    [TransactionDate] AS [Date],
    [LotID] AS [Lot ID],
    [Status] AS [Status],
    [DurationHours] AS [Duration Hours];
SQL 
    SELECT *
    FROM [SQL_SourceDB].[dbo].[SourceTable]
    WHERE [TransactionDate] >= '2016-01-01 00:00:00.000' AND [TransactionDate] <= '2016-01-31 00:00:00.000';

Left Join // add a split-flag where needed
LOAD Distinct Timestamp,FinishDate,fabs(Date(left(FinishDate,10))-Date(left(Timestamp,10)) >=1) as SplitFlag
Resident T1;

T2: // load first part (current day) of split-flag=1
LOAD 
    [Equipment ID],
    [Timestamp] AS [Date],
    [Lot ID],
    [Status],
    round((DayEnd(Timestamp)-Timestamp)*24,0.1) AS [Duration Hours]
Resident T1
Where SplitFlag=1;
Concatenate // load second part (next day) where split-flag=1
LOAD 
    [Equipment ID],
    daystart(FinishDate) AS [Date],
    [Lot ID],
    [Status],
    round((FinishDate-daystart(FinishDate))*24,0.1) AS [Duration Hours]
Resident T1
Where SplitFlag=1;
Concatenate // add the rest of the data (split-flag=0)
LOAD * Resident T1 Where SplitFlag=0;

DROP Table T1;

1 回复 | 直到 7 年前

EldadT 7 年前

这应该有效(请参阅代码中的注释):

T1: // first need to set a proper timestamp and FinishDate
Load *, timestamp(Timestamp+[Duration (Hours)]/24) as FinishDate;
Load *, timestamp(Timestamp#(left(Date,19),'DD-MM-YYYY hh:mm:ss')) as Timestamp;
LOAD * INLINE [
    Variable, Status, Date, Duration (Hours)
    A, StatusA, 10-09-2017 18:30:00.00, 4
    A, StatusB, 10-09-2017 23:30:00.00, 5
    B, StatusA, 10-09-2017 10:00:00.00, 8
    B, StatusB, 10-09-2017 21:45:00.00, 9
];

left join // add a split-flag where needed
Load Distinct Timestamp,FinishDate,fabs(Date(left(FinishDate,10))-Date(left(Timestamp,10)) >=1) as SplitFlag
Resident T1;

T2: // load first part (current day) of split-flag=1
Load Variable,Status,
	 Timestamp,
	 dayEnd(Timestamp) as FinishDate,
	 round((DayEnd(Timestamp)-Timestamp)*24,0.1) as [Duration (Hours)]
Resident T1
where SplitFlag=1;
Concatenate // load second part (next day) where split-flag=1
Load Variable,Status,
	 daystart(FinishDate) as Timestamp,
	 FinishDate,
	 round((FinishDate-daystart(FinishDate))*24,0.1) as [Duration (Hours)]
Resident T1
where SplitFlag=1;
Concatenate // add the rest of the data (split-flag=0)
Load * Resident T1 Where SplitFlag=0;

drop table T1;