hermanschaaf commented on code in PR #35303:
URL: https://github.com/apache/arrow/pull/35303#discussion_r1176154773
##########
go/parquet/pqarrow/schema.go:
##########
@@ -388,7 +388,7 @@ func fieldToNode(name string, field arrow.Field, props
*parquet.WriterProperties
}
return schema.MapOf(field.Name, keyNode, valueNode,
repFromNullable(field.Nullable), -1)
default:
- return nil, xerrors.New("not implemented yet")
+ return nil, xerrors.Errorf("support for %v not implemented
yet", field.Type.ID())
Review Comment:
Updated 👍
##########
go/parquet/pqarrow/schema_test.go:
##########
@@ -410,3 +411,33 @@ func TestListStructBackwardCompatible(t *testing.T) {
assert.NoError(t, err)
assert.True(t, arrowSchema.Equal(arrsc))
}
+
+// TestUnsupportedTypes tests the error message for unsupported types. This
test should be updated
+// when support for these types is added.
+func TestUnsupportedTypes(t *testing.T) {
+ unsupportedTypes := []struct {
+ typ arrow.DataType
+ }{
+ // Non-exhaustive list of unsupported types
+ {typ: &arrow.Float16Type{}},
+ {typ: &arrow.DurationType{}},
+ {typ: &arrow.DayTimeIntervalType{}},
+ {typ: &arrow.MonthIntervalType{}},
+ {typ: &arrow.MonthDayNanoIntervalType{}},
+ {typ: &arrow.DenseUnionType{}},
+ {typ: &arrow.SparseUnionType{}},
+ }
+ for _, tc := range unsupportedTypes {
+ t.Run(tc.typ.ID().String(), func(t *testing.T) {
+ arrowFields := make([]arrow.Field, 0)
+ arrowFields = append(arrowFields, arrow.Field{Name:
"unsupported", Type: tc.typ, Nullable: true})
+ arrowSchema := arrow.NewSchema(arrowFields, nil)
+ _, err := pqarrow.ToParquet(arrowSchema, nil,
pqarrow.NewArrowWriterProperties())
+ assert.Error(t, err)
+ if err != nil {
+ wantMsg := fmt.Sprintf("support for %s not
implemented yet", tc.typ.ID())
+ assert.Equal(t, wantMsg, err.Error())
+ }
Review Comment:
Updated, thanks 👍
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