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Add optional parameter '=' in property constraints by MuhammadTahaNaveed · Pull Request #1516 · apache/age

The '=' operator checks if the original property value(as a whole) is equal to the given value.

MATCH (n {school:{addr:{city:'Toronto'}}}) tranforms into

either(in case age.enable_containment is off)
properties.school.addr.city = 'Toronto'

or(in case age.enable_containment is on)
properties @> {school:{addr:{city:'Toronto'}}}

But MATCH (n ={school:{addr:{city:'Toronto'}}}) will tranform into

either(in case age.enable_containment is off)
properties.school = {addr:{city:'Toronto'}}

or(in case age.enable_containment is on)
properties @>> {school:{addr:{city:'Toronto'}}}