[英]grails createCriteria for date calculation
I am trying to fetch data from database using criteria
我正在尝试使用
criteria
从数据库中获取数据
Domain class
Invoice - Domain class
发票-
class Invoice{
Date invoiceNo
Date invoiceDate
int interval
static constraints = { }
}
criteria
module from the controller
controller
criteria
模块
if(!params.sort && !params.order) {
params.sort = "invoiceDate + interval" //invoiceDate+ interval
params.order = "asc"
}
def c = Invoice.createCriteria()
def results = c.list(params) {
between("invoiceDate+ interval", invoiceDate, invoiceDate+ interval)
}
I want to calculate dueDate
from the invoiceDate
& interval
. 我想从
invoiceDate
和interval
计算dueDate
。
i want a result like this 我想要这样的结果
invoiceNo | invoiceDate | interval| dueDate |
001 | 2016-09-30 | 5 | 2016-10-05 |
002 | 2016-09-15 | 5 | 2016-09-20 |
I will insist you to modify your Domain class
to add derived field
as given below. 我将坚持要求您修改
Domain class
以添加derived field
,如下所示。
Modified Domain class
- adding derived field dueDate
修改的
Domain class
-添加派生字段dueDate
class Invoice{
Date invoiceNo
Date invoiceDate
int interval
//new field added
Date dueDate //Derived filed- will not persisted to the database
static mapping = {
//formula to calculate dueDate (invoiceDate + interval)
dueDate formula:"ADDDATE(invoice_date, interval)"
}
static constraints = { }
}
criteria
code snippet- to fetch the invoices whose dueDate
is in between current Date
and current Date + 7
. criteria
代码snippet-抓取其发票dueDate
是在之间current Date
和current Date + 7
。
def criteria = Invoice.createCriteria()
Date currentDate = new Date()
//fetching data based on the criteria
List invoiceList = criteria.list {
between('dueDate', currentDate, (currentDate + 7))
}
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