N1QL Joins issue

The N1QL select meta().id from devl_test returns the following data for the 4 docs mentioned in my original query:
doc1
{
“id”: “Order1”
}

doc2
{
“id”: “Order2”
}

doc3
{
“id”: “OrderDetails1”
}

doc4 =
{
“id”: “OrderDetails2”
}

Regards,
Sachin Vyas.