I'm new in neo4j and i have a question that i've already tried to solve but nothing.
So, i'm doing a graph and at certain point i have to sum values that i have in a json file, but the value of the field is in string. Here's what i have:
I've readed the neo4j documentation and found the toFloat function, but when i try to do it, i always get null values:
When i try to do: sum(toFloat(C.Preco)) i get this:
What i want to do is to sum all the values from the column: "C.Preco". How do i do it?