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Mysql How do you define a date range for the current month

Posted on 2011-09-20
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368 Views
Last Modified: 2012-05-12
Hi
I am wanting to write a mysql query that only looks at the current month.
How would you write this where clause

My query:

SELECT *
FROM Task_assigned
Where Completed = 0 and DateDue between (this is where I do not know how to assign the range for the current month)
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Question by:matthewdacruz
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5 Comments
 
LVL 24

Expert Comment

by:mankowitz
ID: 36567660
if all you want is the month, then use the MYSQL month function. Seel below for january

SELECT *
FROM Task_assigned
Where Completed = 0 and MONTH(DateDue ) = 1


if all you want a specific month, you have to include the year as well.

SELECT *
FROM Task_assigned
Where Completed = 0 and MONTH(DateDue ) = 1 and YEAR(DateDue)=2011
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Author Comment

by:matthewdacruz
ID: 36567725
Hi Thank you for your response.

Is there a way to dynamically define the month and year as the report needs to automatically grab each months tasks without having to  hard code it in?
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LVL 92

Expert Comment

by:Patrick Matthews
ID: 36567767
In SQL Server you could do this with DATEDIFF/DATEADD; I presume something similar can be done in MySQL:

SELECT *
FROM Task_assigned
Where Completed = 0 and 
    DateDue >= DATEADD(month, DATEDIFF(month, '2000-01-01', GETDATE()), '2000-01-01') AND
    DateDue < DATEADD(month, DATEDIFF(month, '2000-01-01', GETDATE()) + 1, '2000-01-01')

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LVL 24

Accepted Solution

by:
mankowitz earned 500 total points
ID: 36567872
I am not sure what you mean by dynamically. Are you calling this query from a scripting language? if so, your script could do it. Alternatively, if you want it to just print the current month, you could do this:

SELECT *
FROM Task_assigned
Where Completed = 0 and MONTH(DateDue ) = month(NOW()) and YEAR(DateDue)=YEAR(NOW())
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Author Closing Comment

by:matthewdacruz
ID: 36568297
Thanks that worked perfect.
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