I want to get the data between a date. Am having some record with from and to date. Now i want to check that record using a date.
Employee Leave_from_date Leave_to_date Leave_Type
001 06-10-2012 07-10-2012 Casual
I want use the select statement like this
Select * from leave_request where fldempid=001 as L on fldfromdate
>= 06-10-2012 and fldtodate<='06-10-2012'
if am using 07-10-2012 means the above record displayed again.
Please help me to create this...
Reverse the usual position of values and columns in a between clause:
select *
from leave_request
where fldempid = 001
and '06-10-2012' between fldfromdate and fldtodate
try this one:
SELECT Employee, Leave_from_date, Leave_to_date, Leave_Type
FROM leave_request
WHERE fldempid = 001 AND
DATE('06-10-2012') between fldfromdate and fldtodate
I would suggest to convert the dates over to unix timestamps first so you can safely compare using the <= >= operators
e.g
SELECT
Employee, Leave_Type
UNIX_TIMESTAMP(fldfromdate) AS Leave_from_date,
UNIX_TIMESTAMP(fldtodate) as Leave_to_date
FROM
leave_request
where
fldempid=001 as L on
Leave_from_date>=1349481600 and Leave_to_date<=1349481600;
Haven't tried the above but should work with some tweeking...
Related
I have mysql table called user_log that contains something like:
userid created_at
1 1388514600
2 1391193000
I want to get the record using exact date. For example I have the created_at which is 2013-12-31
SELECT * FROM user_log WHERE created_at = UNIX_TIMESTAMP('2013-31-12');
But record is not selected, I don't know what was the problem in that query. So how can I get the record from unix timestamp column in mysql using date?
To know the exact value in dateformat, you can do :
SELECT FROM_UNIXTIME(created_at) FROM user_log;
That said, the value 1388514600 is not just 2013-12-31 but it's actually 2013-12-31 18:30:00;
So to search by just date, you can try this:
SELECT FROM_UNIXTIME(created_at) AS dt
FROM user_log
HAVING date(dt)='2013-12-31';
Fiddle here
I am using the Graph Reports for the select below. The MySQL database only has the active records in the database, so if no records are in the database from X hours till Y hours that select does not return anything. So in my case, I need that select return Paypal zero values as well even the no activity was in the database. And I do not understand how to use the UNION function or re-create select in order to get the zero values if nothing was recorded in the database in time interval. Could you please help?
select STR_TO_DATE ( DATE_FORMAT(`acctstarttime`,'%y-%m-%d %H'),'%y-%m-%d %H')
as '#date', count(*) as `Active Paid Accounts`
from radacct_history where `paymentmethod` = 'PayPal'
group by DATE_FORMAT(`#date`,'%y-%m-%d %H')
When I run the select the output is:
Current Output
But I need if there are no values between 2016-07-27 07:00:00 and 2016-07-28 11:00:00, then in every hour it should show zero active accounts Like that:
Needed output with no values every hour
I have created such select below , but it not put to every hour the zero value like i need. showing the big gap between the 12 Sep and 13 Sep anyway, but there should be the zero values every hour
(select STR_TO_DATE ( DATE_FORMAT(acctstarttime,'%y-%m-%d %H'),'%y-%m-%d %H')
as '#date', count(paymentmethod) as Active Paid Accounts
from radacct_history where paymentmethod <> 'PayPal'
group by DATE_FORMAT(#date,'%y-%m-%d %H'))
union ALL
(select STR_TO_DATE ( DATE_FORMAT(acctstarttime,'%y-%m-%d %H'),'%y-%m-%d %H')
as '#date', 0 as Active Paid Accounts
from radacct_history where paymentmethod <> 'PayPal'
group by DATE_FORMAT(#date,'%y-%m-%d %H')) ;
I guess, you want to return 0 if there is no matching rows in MySQL. Here is an example:
(SELECT Col1,Col2,Col3 FROM ExampleTable WHERE ID='1234')
UNION (SELECT 'Def Val' AS Col1,'none' AS Col2,'' AS Col3) LIMIT 1;
Updated the post: You are trying to retrieve data that aren't present in the table, I guess in reference to the output provided. So in this case, you have to maintain a date table to show the date that aren't in the table. Please refer to this and it's little bit tricky - SQL query that returns all dates not used in a table
You need an artificial table with all necessary time intervals. E.g. if you need daily data create a table and add all day dates e.g. start from 1970 till 2100.
Then you can use the table and LEFT JOIN your radacct_history. So for each desired interval you will have group item (group by should be based on the intervals table.
I have a query that shows me the number of calls per day for the last 14 days within my app.
The query:
SELECT count(id) as count, DATE(FROM_UNIXTIME(timestamp)) as date FROM calls GROUP BY DATE(FROM_UNIXTIME(timestamp)) DESC LIMIT 14
On days where there were 0 calls, this query does not show those days. Rather than skip those days, I'd like to have a 0 or NULL in that spot.
Any ideas for how I can achieve this? If you have any questions as to what I'm asking please let me know.
Thanks
I don't believe your query is "skipping over NULL values", as your title suggests. Rather, your data probably looks something like this:
id | timestamp
----+------------
1 | 2014-01-01
2 | 2014-01-02
3 | 2014-01-04
As a result, there are no rows that contain the missing date, so there are no rows to be counted. The answer is that you need to generate a list of all the dates you want and then do a LEFT or RIGHT JOIN to it.
Unfortunately, MySQL doesn't make this as easy as other databases. There doesn't seem to be an effective way of generating a list of anything inline. So you'll need some sort of table.
I think I would create a static table containing a set of integers to be subtracted from the current date. Then you can use this table to generate your list of dates inline and JOIN to it.
CREATE TABLE days_ago_list (days_ago INTEGER);
INSERT INTO days_ago_list VALUES
(0),(1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12),(13)
;
Then:
SELECT COUNT(id), list_date
FROM (SELECT SUBDATE(CURDATE(), days_ago) AS list_date FROM days_ago_list) dates_to_list
LEFT JOIN (SELECT id, DATE(FROM_UNIXTIME(timestamp)) call_date FROM calls) calls_with_date
ON calls_with_date.call_date = dates_to_list.list_date
GROUP BY list_date
It is very important that you group by list_date; call_date will be NULL for any days without calls. It is also important to COUNT on id since NULL ids will not be counted. (That ensures you get a correct count of 0 for days with no calls.) If you need to change the dates listed, you simply update the table containing the integer list.
Here is a SQL Fiddle demonstrating this.
Alternatively, if this is for a web application, you could generate the list of dates code side and match up the counts with the dates after the query is done. This would make your web app logic somewhat more complicated, but it would also simplify the query and eliminate the need for the extra table.
create a table that contains a row for each date you want to ensure is in the results, left outer join with results of your current query, use temp table's date, count of above query and 0 if that count is null
my table and fields are like these:
i must find $sy<year<$ey then it must filter only values by $sm<month<$em at last it must find $sd<day<$ed
i need to find records between dates for example like 2010/10/25 , 2010/10/10
at first i tried :
SELECT SUM(barname) allin,SUM(rooz) allhoghogh,user_id FROM work_result
WHERE (`year`>='$sy' and `month`>='$sm' and `day`>='$sd') and (`year`<='$ey' and `month`<='$em' and `day`<='$ed') group by user_id ;
but it cant find records for dates like e like 2010/10/25 , 2010/10/28
than i tried
SELECT * FROM work_result as t1 join work_result as t2 on t1.year<='$sy' and t2.year>='$ey' and t1.month<='$em' and t2.month>='$sm' and t1.day<='$ed' and t2.day>='$sd' WHERE 1 group by t1.wrid
this isnt usful in my case!
i need some thing like priority select first select all between years than month and than day!!
other way is convert mysql records to timestamp by year and month and day and compare it by input date but UNIX_TIMESTAMP('year-month-day 00:00:00') dont worked correct for me.
i used it like :
SELECT * FROM `work_result` WHERE UNIX_TIMESTAMP('year-month-day 00:00:00')>1238921453
If convert to timestamp didn't work for you what about use date_format to convert:
SELECT *
FROM `work_result`
WHERE date_format(concat(year,'-',month,'-',day), '%Y-%m-%d') >
DATE_FORMAT(FROM_UNIXTIME(`yourDateGoesHere`), '%Y-%m-%d')
I have 2 doubts related to SQL query's
id name update
1 some 2013-05-03
2 som 2013-05-08
3 smee 2013-06-05
How can i list items on a particular month (I want all records,year and date will not be specified I just want to check the month)
How can I arrange name in alphabetic order and arrange it as groups of names such as (limiting number of records =10)
Array A = names starting with A
Array B = names starting with B
The easiest way, to fetch MONTH from a DATE or DATETIME type of fields is to use the MySQL's date-time function MONTH().
For your query, it shall be:
SELECT *
FROM tblName
WHERE MONTH( `update` ) = <month Number such as 5>
The second would need a more complex query. I'd rather use php to do the grouping better(as I've more control over that language).
You can simply use datatype of the field as DATE or you can store any date as unix timestamp and then convert it whenever you want to show it.
Example: 1363979714 (ISO 8601:2013-03-22T19:15:14Z)
If you want list items on a particular date, you can write your query like this:
Month:
Select * from tableName where update like '%-5-%'
day:
Select * from tableName where update like '%-16'
year:
Select * from tableName where update like '2013-%'