我是Couchbase的新手,因此需要在n1ql查询下面提供一些帮助:
company:1
{
'companyName':'A',
'employees':[{
'empId':101,
'name':'Test',
'deptId':'dept:1'
},
{
'empId':102,
'name':'Test2',
'deptId':'dept:1'
}]
}
dept:1
{
'deptName':'Dept One',
'location':'First Floor'
}
我需要的输出是:
company:1
{
'companyName':'A',
'departments':[{
'deptName':'Dept One',
'location':'First Floor'
'employees:[{
'empId':101,
'name':'Test',
'deptId':'dept:1'
},
{
'empId':102,
'name':'Test2',
'deptId':'dept:1'
}]
}],
}
我尝试使用Unnest,然后使用子查询,但无法达到所需的结果。可能是NEST可以提供帮助,但我没有太多的想法,如何在n1ql中使用NEST。
请帮助获得所需的输出。
[首先,您嵌套员工,然后按公司,部门分组。其次,您按公司分组]
SELECT d1.companyName, ARRAY_AGG(OBJECT_ADD(dep,"employees", d1.employees)) AS departments
FROM ( SELECT d.companyName, e.deptId, ARRAY_AGG(e) AS employees
FROM default AS d
UNNEST d.employees AS e
WHERE d.type = "company"
GROUP BY d.companyName, e.deptId) AS d1
LET dep = (SELECT RAW d3 FROM default AS d3 USE KEYS d1.deptId)[0]
GROUP BY d1.companyName;