Potential fix for code scanning alert no. 283: Incorrect conversion between integer types

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: joel-rieke

sql/system_booltype.go

@@ -101,15 +101,16 @@ func (t systemBoolType) Convert(v interface{}) (interface{}, error) {
 	case float64:
 		// Float values aren't truly accepted, but the engine will give them when it should give ints.
 		// Therefore, if the float doesn't have a fractional portion, we treat it as an int.
-		if value == float64(int64(value)) {
-			if value >= float64(math.MinInt64) && value <= float64(math.MaxInt64) {
+		if value >= float64(math.MinInt64) && value <= float64(math.MaxInt64) {
+			if value == float64(int64(value)) {
 				intVal := int64(value)
 				if intVal >= math.MinInt8 && intVal <= math.MaxInt8 {
 					return int8(intVal), nil
 				}
 			}
 			return nil, ErrInvalidSystemVariableValue.New(t.varName, v)
 		}
+		return nil, ErrInvalidSystemVariableValue.New(t.varName, v)
 	case decimal.Decimal:
 		f, _ := value.Float64()
 		return t.Convert(f)