big integer: SELECT MININT returns wrong answer

SELECT MAXINT works correctly. SELECT MININT produces a number that is 1 too large. Possibly an overflow issue? MININT + 1 works fine.

~/code/spock $ curl http://localhost:8093/query/service -d "statement=select 9223372036854775807, -9223372036854775808"
{
"requestID": "39f3e47e-bc44-478d-a0aa-04086fe0671b",
"signature":

{ "$1": "number", "$2": "number" }

,
"results": [

{ "$1": 9223372036854775807, "$2": -9223372036854775807 }

],
"status": "success",
"metrics":

{ "elapsedTime": "632.565µs", "executionTime": "599.105µs", "resultCount": 1, "resultSize": 89 }

}

~/code/spock $ curl http://localhost:8093/query/service -d "statement=select 9223372036854775807, -9223372036854775800"
{
"requestID": "ef23eb08-8a67-47da-a0b5-65dff90017c1",
"signature":

{ "$1": "number", "$2": "number" }

,
"results": [

{ "$1": 9223372036854775807, "$2": -9223372036854775800 }

],
"status": "success",
"metrics":

{ "elapsedTime": "606.95µs", "executionTime": "570.639µs", "resultCount": 1, "resultSize": 89 }

}