Retreive date from MySQL DATETIME in Doctrine QueryBuilder - mysql

I have a MySQL date stored in DATETIME format. So I would like to know how to use date() in my Doctrine QueryBuilder's where clause. For example, 2013-02-01 12:51:17 is the date in MySQL. But I need to retrieve only the date. This is what I have tried:
$qb = $this->getEntityManager()->createQueryBuilder()
->select('t.balance','a.id','t.date')
->from('TestMainBundle:Transaction','t')
->groupBy('a.id')
->orderBy('a.id')
->where("t.date in date('t.date') ");
return $qb->getQuery()->getResult();
I received the following error:
QueryException: [Syntax Error]: Error: Expected Doctrine\ORM\Query\Lexer::T_OPEN_PARENTHESIS, got 'date'


Hi You can use SUBSTRING to fix your probleme
->where('SUBSTRING(t.date, 1, 10) IN (:param)')
->setParameter('param', array('2017-04-06'))


As it is pointed out in the comments, you cannot use mysql-specific date() or date_format() functions in Doctrine.
But for the particular case of searching a certain date in the datetime field, you can treat a date like a string, and thus use LIKE operator
->Where('t.date LIKE :date')
->setParameter(':date', "$date%")
As of
But I need to retreive only the date
you just format the returned value using format("Y-m-d") method. i.e.
echo $row->getDate()->format("Y-m-d");


You don't need the "date" in your where clause.
Juste remove it like this :
->where('t.date in (:yourwanteddate)')
->setParameter('yourwanteddate', '2013-02-01 12:51:17');

Related

i have two fields named as created_at and updated_at(timestamps) and i want to search between these dates in my where clause

i want to take input date as a parameter and search between the dates that are given in input.
Theses are the timestamps() provided by laravel to create the two fields as created_at and upated_at.I want to search between these dates that are given in created_at and updated_at but unable to find the data between these dates.
Following is the code that i have create
` $startDate = $request->input('created_at');
$endDate = $request->input('updated_at');
->select()
->whereBetween('created_at','updated_at',[$startDate,$endDate])
->get();`

I think whereBetween only accepts 2 parameters. The first being the column name and the second the array with values to test. Check: https://laravel.com/docs/5.5/queries#where-clauses
You would want something like:
->whereBetween('created_at', [$startDate,$endDate])
->whereBetween('updated_at', [$startDate,$endDate])

The error:
Argument 2 passed to Illuminate\Database\Query\Builder::whereBetween()
must be of the type array
is because the second parameter of whereBetween() is an array, and you pass a string 'updated_at' here. So change it to like:
->whereBetween('created_at', [$startDate,$endDate])
->whereBetween('updated_at', [$startDate,$endDate])
Reference

Codeigniter - Format date in WHERE clause

Is it possible to format the following date in an active record where clause?
I need to format channel_titles.entry_date to be in the format Y-m-d, like the $yesterday variable.
$yesterday = date('Y-m-d', strtotime('yesterday'));
$this->db->where('channel_titles.entry_date', $yesterday);

You can use DATE_FORMAT function like that:
$this->db->where("DATE_FORMAT(from_unixtime(channel_titles.entry_date), '%Y-%m-%d')", $yesterday, false);

Try this
$this->db->where("DATE_FORMAT(channel_titles.entry_date,'%Y-%m-%d') ", $yesterday);

ZF2 Query WHERE clause with DATE() for datetime column

I have a column with datetime data type and I want to build a SQL query in Zend Framework2 which compare date part with user input date.
Need to build similar part as DATE(datetime column) = '2014-09-16' with;
$select->where();
would be very grateful if someone could help on this.

Use like this:
$date = '2014.05.24';
$select->where('date(expecting_date) = "'.$date.'"');

You should use predicate expression for these kind of conditions, like :
$select = new \Zend\Db\Sql\Select(table name);
$select->where(new \Zend\Db\Sql\Predicate\Expression('DATE(datetime) = ?', '2014-09-16'));

Selecting DateTime from a query

I have the following linq to sql query:
DateTime linqdate = (from de in dvlist
where de.DataValue == value
select de.DateTime);
I want to get the date value form database in a datetime variable but I got the following error:
cannot implicitly convert type
'System.Collections.Generic.IEnumerable'
to 'System.DateTime'
any ideas where the problem is? thanks in advance

A Linq query returns an IEnumerable<T> that you can iterate or you can convert it to another type of object (using some extension methods)
In order to get what you want you should do something like this :
var dateTime=(from de in dvlist
where de.DataValue == value
select de.DateTime).FirstOrDefault();
this way you are returning the first element of your enumerable object, or the default value for that type (T, in this case DateTime) if there is no match in the query.

How do you compare dates in a LINQ query?

I am tring to compare a date from a asp calendar control to a date in the table.... here's what i have... it doesn't like the == ?
var query = from details in db.TD_TravelCalendar_Details
where details.StartDate == calStartDate.SelectedDate
&& details.EndDate == calEndDate.SelectedDate
select details;

In order for your query to work both details.StartDate and calStartDate.SelectedDate must be typed as System.DateTime.
What error are you receiving? Most likely one of these properties is a string and will need to be parsed into a DateTime instance for comparison.

What is the Type of details.StartDate and details.EndDate? Is it String? Maybe that's the problem. If the database type is String you should Parse the Date String into a DateTime and compare it with the calendar's selected date then.