Here is the current structure I'm working with:
I want to figure out how to eliminate any field that has the id 3Q41X2tKUMUmiDjXL1BJon70l8n2 from all subjects. Is there a way to achieve this efficiently?
admin.database().ref('UsersBySubjects')
.child('subjects')
.child(/variable/)
.child(uid).remove().catch(e => console.log(e));
Below is the code snippet that will allow you to achieve what you are attempting to do. This query retrieves all the ids, and the remove function acts as a promise. To ensure proper deletion before moving on to the next one, it's recommended to incorporate async await for handling promises.
admin.database().ref('UsersBySubjects/subjects')
.orderByChild('3Q41X2tKUMUmiDjXL1BJon70l8n2')
.equalTo('3Q41X2tKUMUmiDjXL1BJon70l8n2')
.on('value', (snapshot) => {
snapshot.forEach((result) => {
result.ref.remove()
})
})
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