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Sql Query- Null values
Posted on 2014-01-08
Hello I have the below query
SELECT 'VA', CONVERT(char(10),Entered,101),COUNT(RXNO) FROM HRXS
WHERE
-- AND
NewRx=1
AND PharmID ='VA' and TransType not in('Q','B') and (CCType IS NULL OR CCType ='C')
and Entered is not null and CONVERT(char(10),Entered,101) between CONVERT(char(10),GETDATE()-31,101) and CONVERT(char(10),GETDATE(),101)
GROUP BY CONVERT(char(10),Entered,101)
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9 Comments
try the below code
SELECT 'VA', CONVERT(char(10),Entered,101),COUNT(RXNO) FROM HRXS
WHERE
-- AND
isnull(NewRx,'')=1
AND isnull(PharmID,'') ='VA' and isnull(TransType,'') not in('Q','B') and (CCType IS NULL OR CCType ='C')
and Entered is not null and CONVERT(char(10),Entered,101) between CONVERT(char(10),GETDATE()-31,101) and CONVERT(char(10),GETDATE(),101)
GROUP BY CONVERT(char(10),Entered,101)
Active 2 days ago
When I comment the convert function on Entered it brings data..as entered somewhere has null data in it
SELECT 'VA', CONVERT(char(10),Entered,1
WHERE
-- AND
NewRx=1
AND PharmID ='VA' and TransType not in('Q','B') and (CCType IS NULL OR CCType ='C')
and Entered is not null --and CONVERT(char(10),Entered,1
GROUP BY CONVERT(char(10),Entered,1
SELECT 'VA', CONVERT(char(10),Entered,1
WHERE
-- AND
NewRx=1
AND PharmID ='VA' and TransType not in('Q','B') and (CCType IS NULL OR CCType ='C')
and Entered is not null --and CONVERT(char(10),Entered,1
GROUP BY CONVERT(char(10),Entered,1
then why don't you just do this
add the below code inplace of that between
add the below code inplace of that between
CONVERT(CHAR(10),ISNULL(Entered,GETDATE()-60),101) between CONVERT(CHAR(10),GETDATE()-31,101) and CONVERT(CHAR(10),GETDATE(),101)
Your where-clause is saying "don't show me nulls on the Entered field"... I suspect you want either a null or a range-test:
SELECT 'VA'
, CONVERT(char(10),Entered,101)
, COUNT(RXNO)
FROM HRXS
WHERE NewRx=1
AND PharmID ='VA'
AND TransType not in ('Q','B')
AND ( CCType IS NULL
OR CCType ='C'
)
AND ( Entered IS NULL
OR CONVERT(char(10),Entered,101)
between CONVERT(char(10),GETDATE()-31,101)
and CONVERT(char(10),GETDATE(),101)
)
GROUP
BY CONVERT(char(10),Entered,101)
But you have "Entered IS NOT NULL", so I think the issue is that is a non-null value which does not meet the criteria. Are you wanting a row even if the count is zero?
In addition, use this to go between dates, noting direct comparisons exclude NULLs already.
Entered >= DATEADD(DD, -31, CONVERT(DATE, GETDATE()))
AND Entered <= CONVERT(DATE, GETDATE())
If you are not in SQL 2008, or higher, compatibility, you can accomplish the same thing CONVERT(DATE, ...) is doing with DATEDIFF:
e.g., DATEADD(DD, -31, DATEDIFF(DD, 0, GETDATE()))
If you want row even when there is nothing matching the date range, then use a conditional aggregate.
In addition, use this to go between dates, noting direct comparisons exclude NULLs already.
Entered >= DATEADD(DD, -31, CONVERT(DATE, GETDATE()))
AND Entered <= CONVERT(DATE, GETDATE())
If you are not in SQL 2008, or higher, compatibility, you can accomplish the same thing CONVERT(DATE, ...) is doing with DATEDIFF:
e.g., DATEADD(DD, -31, DATEDIFF(DD, 0, GETDATE()))
If you want row even when there is nothing matching the date range, then use a conditional aggregate.
SELECT 'VA'
, CONVERT(char(10),Entered,101)
/* if you have Entered values greater than today,
then add the second part to date filter; otherwise, it is unnecessary. */
, COUNT(CASE WHEN Entered >= DATEADD(DD, -31, CONVERT(DATE, GETDATE())) THEN RXNO END)
FROM HRXS
WHERE NewRx = 1
AND PharmID = 'VA'
AND TransType NOT IN ('Q','B')
AND (CCType IS NULL OR CCType = 'C')
GROUP BY CONVERT(char(10),Entered,101)
;
Active 2 days ago
Surendra you code did not help.
John,
I want data that has no null on the entered field..and its has to be in the date range.
John,
I want data that has no null on the entered field..and its has to be in the date range.
Perhaps your data is too old, and that is the reason why you are not getting the records you are expecting. Your where-clause is saying "only show me records where the Entered date is within the last 31 days"
Active 1 day ago
SELECT 'VA', CONVERT(char(10),Entered,1
FROM dbo.HRXS
WHERE
NewRx=1
AND PharmID ='VA'
and TransType not in('Q','B')
and (CCType IS NULL OR CCType ='C')
and Entered >= DATEADD(DAY, DATEDIFF(DAY, 0, GETDATE()) - 31, 0)
and Entered < DATEADD(DAY, DATEDIFF(DAY, 0, GETDATE()) + 1, 0)
GROUP BY CONVERT(char(10),Entered,1
FROM dbo.HRXS
WHERE
NewRx=1
AND PharmID ='VA'
and TransType not in('Q','B')
and (CCType IS NULL OR CCType ='C')
and Entered >= DATEADD(DAY, DATEDIFF(DAY, 0, GETDATE()) - 31, 0)
and Entered < DATEADD(DAY, DATEDIFF(DAY, 0, GETDATE()) + 1, 0)
GROUP BY CONVERT(char(10),Entered,1
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