hcrosse commented on code in PR #1526:
URL: https://github.com/apache/arrow-go/pull/1526#discussion_r4543969809
##########
arrow/cdata/cdata_test.go:
##########
@@ -1191,6 +1193,50 @@ func TestEmptyUnionExport(t *testing.T) {
assert.NotEqualValues(t, unsafe.Pointer(nil), buffers[0])
}
+func TestExtensionArrayRoundTrip(t *testing.T) {
+ tests := []struct {
+ name string
+ storage arrow.DataType
+ json string
+ nbuffers int
+ }{
+ {"string_view", arrow.BinaryTypes.StringView, `["a", null,
"longer than twelve bytes"]`, 4},
+ {"sparse_union", arrow.SparseUnionOf([]arrow.Field{{Name: "i",
Type: arrow.PrimitiveTypes.Int32, Nullable: true}}, []arrow.UnionTypeCode{0}),
`[[0, 1], [0, null]]`, 1},
+ {"dictionary", &arrow.DictionaryType{IndexType:
arrow.PrimitiveTypes.Int8, ValueType: arrow.BinaryTypes.String}, `["a", null,
"b", "a"]`, 2},
Review Comment:
Thanks, added the list case.
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