SUM Function does not return an integer

[SrS2225a]

When using the sum() aggregate function, for some reason it would return as a string and not as an integer as it should, and would have to cast it as an integer for it to return the correct value type. Is this intentional, and if so, what can I do to get the sum() function to return the correct type?

[Ginden]

@SrS2225a This is due to how Postgres works. SUM (and COUNT) returns int8 type. int8 is by default parsed as string, because numbers over 9007199254740991 can't be represented precisely using JavaScript numbers (IEEE7544).

This is documented in node-pg-types repo.