I how like a create a Azure Data Factory Triggger to run every day at 30min intervals. However, I don't seem to be able to create 30mins interval per day. The nearest I appear to get is 1 hour.
E.g, I would like 6:30, 7:00, 7:30, 8:00 etc.
But as you can see I appear to only schedule hourly per day
Why not this , its more simpler , its you want to start at :00 or:30 min mark .
Then set the start time as accordingly
I figure it out.
I simply adjusted the execution times to include start minutes of 0, with interval of 30
Related
is it possible to have date_diff with specific start and end time?
let say my store are open from 8AM - 10PM, which is 14 Hours.
and I have a lot of stuff to sell during that time. One of the SKU is out of stock from 2022-11-01 06.00 PM until tomorrow 2022-11-02 11.00 AM.
Instead of calculate 24 hours, I just want to calculate only from opening store until it closed or until its restock. Meaning from 6PM to 11AM is 8 Hours
my query
select date_diff('2022-11-02 11.00 AM', '2022-11-02 06.00 PM', hour) from table
with the result 17 hours instead of 8 hours
There isn't a way to configure DATE_DIFF to do this for you, but it's possible to do what you want, with some effort.
You should convert your dates to timestamps (TIMESTAMP(yourdate) or CAST(yourdate AS TIMESTAMP)) and use TIMESTAMP_DIFF instead.
This will allow you to work with smaller intervals than days.
For your calculation, you ultimately need to find the total time difference between the two timestamps and then subtract the out-of-hours timeframe.
However, calculating the latter is not as simple as taking the difference in days and multiplying by 8 hours (10pm-6am), because your out-of-hours calculation has to account for weekends and possibly holidays etc. Hence it can get quite complex, which is where the solution in my first link might come in.
I have a dataset which shows a datetimestamp for both the start and end of an agent status and I am trying to capture the duration within that hour interval of that status by using a simple datediff function in SQL Server 2012.
This works perfectly as long as the status start and end time are within the same hour. However, in cases where the status starts at 8:37 and finishes 10:15, I am having a hard time inserting an hour interval to perform the datediff function.
In the scenario above, I would like the data to show 23 minutes in the 8 am interval, 60 minutes in the 9 am interval, and 15 minutes in the 10 am interval.
i have a lot of data that has at start time and a finnish time. These are formated i datetime format.
i want to sum the time that occurs in an timeinterval
if specify the time interval 08-11
i only want to get the time between these to even if the evvent progresses from 06 to 12
If you are using SQL Server you could do it like that:
SELECT SUM(DATEDIFF(HOUR,StartTimeColumn,EndTimeColumn)) AS ElapsedHoursTotal,
SUM(DATEDIFF(MINUTE,StartTimeColumn,EndTimeColumn)) AS ElapsedMinutesTotal,
SUM(DATEDIFF(SECOND,StartTimeColumn,EndTimeColumn)) AS ElapsedSecondsTotal,
FROM dbo.YourTable
You will have to find the perfekt interval (First Parameter of DATEDIFF Function) for your requirements... Hours, Minutes, Seconds, Nanoseconds,...
Im using mssql 2012
the problem is that i can get the full elapsed time from start to finnish but I only want the part that matches my search
if the pattern i match for is 8-11
thing one 08-12 should produce 3 hours
thing two 10-11 should produce 1 hour
thing tre 9.30- 14 shoud produce 1.5 hour
Imagine I had a work schedule from 9am to 6pm. It is divided into 15 minute blocks and appointments (increments of 15 minutes) can be fitted into the times available.
Now, if I need to insert a new appointment that is 45 minutes long is there an easy query to find a block of time that is available to fit the appointment in for a given date
The basic table design is
AppointmentId
Date
StartTime
Length - 15 minute incremenents
I would like to get a list of available times to choose from, so if the only appointment for the given day is a 30 minute one at 9:30 then the list of times would be
(No times before 9:30 as the 45 minute appointment wont fit)
10:15
10:30
10:45
...
5:15pm (last time of the day the appointment will fit)
By using ranking function (i.e Row_Number()) set number for each row in each day (let say it's name is rn), then join this query with it self by this condition q2.rn = q1.rn-1 then you have end of appointment beside start of next appointment, then calculate datediff(mi) on this end and start, so this value is the gap, then write another query wrapping this query to filter records that have gap >= yourNeededTime. Also for start of day and end of day you can create 2 dummy records one for 9am and one for 6pm so that yo can handle gap of start of day to the first appointment and last appointment to the end of day.
I hope this helps
In my Rails app, I have two custom Rake Tasks running every 30 minutes. Task A scrapes hourly prices from the internet and saves them to a database as HourlyPrice. Task B goes into the db, takes hourly prices from each day for the last seven days, and averages them to create a new DailyAveragePrice record in a separate DB Table.
However, when running Task B, the last day's (of the seven) average price is incorrect.
After fiddling with the hourly prices of that day in an Excel spreadsheet, I see that the average price Task B is generating is the result of taking only the last three hours and averaging them.
Task B is mostly done with this single query:
averages = HourlyPrice.where('date >= ?', 7.days.ago).average(:price, :group => "DATE_TRUNC('day', date - INTERVAL '1 hour')")
I can't figure out why this is happening?
Clues
HourlyPrice has two attributes (datetime,price). Each HourlyPrice actually represents a price for the previous hour. So, source data lists a 24:00:00 price for each day which PostgreSQL does not want to import as is into a datetime column. Instead, it converts all 24:00:00 prices to 00:00:00 of the next day. To make up for this, I've tried to subtract an hour interval, as you can see in the query. Is this causing the problem?
My ActiveRecord's time zone is currently set to 'Mountain Time (US & Canada)'. That is where the price exchange is located. I have not adjusted my PostgreSQL DB's timezone, and I believe it defaults to UTC. When running Task B, I noticed that it was 9:20PM UTC, leaving three hours left in the UTC day, which might explain the averaging of only three HourlyPrices of the last of the seven days. I'll try running Task B again in the next hour to see if it will average only two hours. Update to come... Is this timezone conflict causing a problem, or is what I am doing insulated from timezones since I have my own date columns?
UPDATE - Problem identified, but how to fix?
Clue #2 is correct. It is a timezone issue. I just ran Task B again (an hour later, with 2 hours left until UTC day change), and it only averages two HourlyPrices now for the last of the seven days.
How can I fix my query above to average ONLY if there are 24 HourlyPrice records available?