Questions tagged [mongodb-lookup]

1 votes
1 replies
$match value of local field (nested field) not empty string in $lookup pipeline
I cant use a nested field on an lookup pipeline epression, to get only the not empty string values. I am doing an aggregate query with 2 lookup...
asked 5 months ago
0 votes
0 replies
$lookup seems to match null as lookup information
I have the following lookup and gives me strange results for documents who do not have an id_bidon. It's like it defaults to null and is matched...
0 votes
0 replies
Unable to find data & display in tabular format from two collections through user inputs
Well, I have two collections as BookAPT(Book Appointment) & Client(Client Details), what I am trying to do is get the appointment date from B...