func getPersons(ds dataset.Dataset) types.Map {
hv, ok := ds.MaybeHeadValue()
if ok {
return hv.(types.Map)
} else {
return types.NewMap()
}
}
func addPerson(ds dataset.Dataset) {
if flag.NArg() != 4 {
fmt.Fprintln(os.Stderr, "Not enough arguments for command add-person")
return
}
id, err := strconv.ParseUint(flag.Arg(1), 10, 64)
if err != nil {
fmt.Fprintf(os.Stderr, "Invalid person-id: %s", flag.Arg(1))
return
}
np := types.NewStruct("Person", map[string]types.Value{
"id": types.Number(id),
"name": types.String(flag.Arg(2)),
"title": types.String(flag.Arg(3)),
})
ds.Commit(getPersons(ds).Set(types.Number(id), np))
}
func writeTestData(ds dataset.Dataset, value types.Value) types.Ref {
r1 := ds.Database().WriteValue(value)
ds, err := ds.Commit(r1)
d.Chk.NoError(err)
err = ds.Database().Close()
d.Chk.NoError(err)
return r1
}
func mergeDatasets(ds1, ds2 dataset.Dataset, v string) (dataset.Dataset, error) {
return ds1.CommitWithParents(types.String(v), types.NewSet(ds1.HeadRef(), ds2.HeadRef()))
}
func addBranchedDataset(newDs, parentDs dataset.Dataset, v string) (dataset.Dataset, error) {
return newDs.CommitWithParents(types.String(v), types.NewSet().Insert(parentDs.HeadRef()))
}
func addCommitWithValue(ds dataset.Dataset, v types.Value) (dataset.Dataset, error) {
return ds.Commit(v)
}
func addCommit(ds dataset.Dataset, v string) (dataset.Dataset, error) {
return ds.Commit(types.String(v))
}
func mergeDatasets(ds1, ds2 dataset.Dataset, v string) (dataset.Dataset, error) {
p := types.NewSet(ds1.HeadRef(), ds2.HeadRef())
return ds1.Commit(types.String(v), dataset.CommitOptions{Parents: p})
}
func addBranchedDataset(newDs, parentDs dataset.Dataset, v string) (dataset.Dataset, error) {
p := types.NewSet(parentDs.HeadRef())
return newDs.Commit(types.String(v), dataset.CommitOptions{Parents: p})
}