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Allow NUMERIC value scan into any number type

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This commit is contained in:
go-jet 2021-05-21 16:09:29 +02:00
parent cecdab1c67
commit 17e5e34111
3 changed files with 103 additions and 3 deletions
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16
qrm/utill.go
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@ -183,6 +183,10 @@ func isIntegerType(value reflect.Type) bool {
return false
}
func isNumber(valueType reflect.Type) bool {
return isIntegerType(valueType) || valueType == float64Type || valueType == float32Type
}
func tryAssign(source, destination reflect.Value) bool {
switch {
@ -196,13 +200,18 @@ func tryAssign(source, destination reflect.Value) bool {
} else if intValue == 0 {
source = reflect.ValueOf(false)
}
case source.Type() == stringType && destination.Type() == float64Type:
strValue := source.String()
f, err := strconv.ParseFloat(strValue, 64)
case source.Type() == stringType && isNumber(destination.Type()):
// if source is string and destination is a number(int8, int32, float32, ...), we first parse string to float64 number
// and then parsed number is converted into destination type
f, err := strconv.ParseFloat(source.String(), 64)
if err != nil {
return false
}
source = reflect.ValueOf(f)
if source.Type().ConvertibleTo(destination.Type()) {
source = source.Convert(destination.Type())
}
}
if source.Type().AssignableTo(destination.Type()) {
@ -289,6 +298,7 @@ var int32Type = reflect.TypeOf(int32(1))
var uint32Type = reflect.TypeOf(uint32(1))
var int64Type = reflect.TypeOf(int64(1))
var uint64Type = reflect.TypeOf(uint64(1))
var float32Type = reflect.TypeOf(float32(1))
var float64Type = reflect.TypeOf(float64(1))
var stringType = reflect.TypeOf("")