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Update result_set.go to handle slices/arrays #361

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Update result_set.go to handle slices/arrays #361

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61 changes: 42 additions & 19 deletions result_set.go
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Original file line number Diff line number Diff line change
Expand Up @@ -357,32 +357,55 @@ func (res ResultSet) scanRow(row *nebula.Row, colNames []string, t reflect.Type)
rowVal := rowVals[cIdx]

switch f.Type.Kind() {
case reflect.Bool:
val.Field(fIdx).SetBool(rowVal.GetBVal())
case reflect.Int:
val.Field(fIdx).SetInt(rowVal.GetIVal())
case reflect.Int8:
val.Field(fIdx).SetInt(rowVal.GetIVal())
case reflect.Int16:
val.Field(fIdx).SetInt(rowVal.GetIVal())
case reflect.Int32:
val.Field(fIdx).SetInt(rowVal.GetIVal())
case reflect.Int64:
val.Field(fIdx).SetInt(rowVal.GetIVal())
case reflect.Float32:
val.Field(fIdx).SetFloat(rowVal.GetFVal())
case reflect.Float64:
val.Field(fIdx).SetFloat(rowVal.GetFVal())
case reflect.String:
val.Field(fIdx).SetString(string(rowVal.GetSVal()))
case reflect.Slice, reflect.Array:
values := rowVal.GetLVal().Values
elementKind := f.Type.Elem().Kind()
sliceVal := reflect.MakeSlice(val.Field(fIdx).Type(), len(values), len(values))
for i := 0; i < len(values); i++ {
err := setValue(elementKind, sliceVal.Index(i), values[i])
if err != nil {
return val, err
}
}
val.Field(fIdx).Set(sliceVal)
default:
return val, errors.New("scan: not support type")
err := setValue(f.Type.Kind(), val.Field(fIdx), rowVal)
if err != nil {
return val, err
}
}
}

return val, nil
}

// Sets the nebula value to reflected value
func setValue(kind reflect.Kind, val reflect.Value, rowVal *nebula.Value) error {
switch kind {
case reflect.Bool:
val.SetBool(rowVal.GetBVal())
case reflect.Int:
val.SetInt(rowVal.GetIVal())
case reflect.Int8:
val.SetInt(rowVal.GetIVal())
case reflect.Int16:
val.SetInt(rowVal.GetIVal())
case reflect.Int32:
val.SetInt(rowVal.GetIVal())
case reflect.Int64:
val.SetInt(rowVal.GetIVal())
case reflect.Float32:
val.SetFloat(rowVal.GetFVal())
case reflect.Float64:
val.SetFloat(rowVal.GetFVal())
case reflect.String:
val.SetString(string(rowVal.GetSVal()))
default:
return errors.New("scan: not supported type")
}
return nil
}

// Returns the number of total rows
func (res ResultSet) GetRowSize() int {
if res.resp.Data == nil {
Expand Down