zeroshade commented on code in PR #330:
URL: https://github.com/apache/iceberg-go/pull/330#discussion_r1991759367
##########
table/table_test.go:
##########
@@ -128,3 +138,236 @@ func (t *TableTestSuite) TestSnapshotByName() {
t.True(testSnapshot.Equals(*t.tbl.SnapshotByName("test")))
}
+
+type TableWritingTestSuite struct {
+ suite.Suite
+
+ tableSchema *iceberg.Schema
+ arrSchema *arrow.Schema
+ arrTbl arrow.Table
+ arrSchemaWithIDs *arrow.Schema
+ arrTblWithIDs arrow.Table
+ arrSchemaUpdated *arrow.Schema
+ arrTblUpdated arrow.Table
+
+ location string
+ formatVersion int
+}
+
+func (t *TableWritingTestSuite) SetupSuite() {
+ mem := memory.DefaultAllocator
+
+ t.tableSchema = iceberg.NewSchema(0,
+ iceberg.NestedField{ID: 1, Name: "foo", Type:
iceberg.PrimitiveTypes.Bool},
+ iceberg.NestedField{ID: 2, Name: "bar", Type:
iceberg.PrimitiveTypes.String},
+ iceberg.NestedField{ID: 4, Name: "baz", Type:
iceberg.PrimitiveTypes.Int32},
+ iceberg.NestedField{ID: 10, Name: "qux", Type:
iceberg.PrimitiveTypes.Date})
+
+ t.arrSchema = arrow.NewSchema([]arrow.Field{
+ {Name: "foo", Type: arrow.FixedWidthTypes.Boolean, Nullable:
true},
+ {Name: "bar", Type: arrow.BinaryTypes.String, Nullable: true},
+ {Name: "baz", Type: arrow.PrimitiveTypes.Int32, Nullable: true},
+ {Name: "qux", Type: arrow.PrimitiveTypes.Date32, Nullable:
true},
+ }, nil)
+
+ var err error
+ t.arrTbl, err = array.TableFromJSON(mem, t.arrSchema, []string{
+ `[{"foo": true, "bar": "bar_string", "baz": 123, "qux":
"2024-03-07"}]`,
+ })
+ t.Require().NoError(err)
+
+ t.arrSchemaWithIDs = arrow.NewSchema([]arrow.Field{
+ {
+ Name: "foo", Type: arrow.FixedWidthTypes.Boolean,
+ Metadata:
arrow.MetadataFrom(map[string]string{"PARQUET:field_id": "1"}),
+ },
+ {
+ Name: "bar", Type: arrow.BinaryTypes.String,
+ Metadata:
arrow.MetadataFrom(map[string]string{"PARQUET:field_id": "2"}),
+ },
+ {
+ Name: "baz", Type: arrow.PrimitiveTypes.Int32,
+ Metadata:
arrow.MetadataFrom(map[string]string{"PARQUET:field_id": "3"}),
+ },
+ {
+ Name: "qux", Type: arrow.PrimitiveTypes.Date32,
+ Metadata:
arrow.MetadataFrom(map[string]string{"PARQUET:field_id": "4"}),
+ },
+ }, nil)
+
+ t.arrTblWithIDs, err = array.TableFromJSON(mem, t.arrSchemaWithIDs,
[]string{
+ `[{"foo": true, "bar": "bar_string", "baz": 123, "qux":
"2024-03-07"}]`,
+ })
+ t.Require().NoError(err)
+
+ t.arrSchemaUpdated = arrow.NewSchema([]arrow.Field{
+ {Name: "foo", Type: arrow.FixedWidthTypes.Boolean, Nullable:
true},
+ {Name: "baz", Type: arrow.PrimitiveTypes.Int32, Nullable: true},
+ {Name: "qux", Type: arrow.PrimitiveTypes.Date32, Nullable:
true},
+ {Name: "quux", Type: arrow.PrimitiveTypes.Int32, Nullable:
true},
+ }, nil)
+
+ t.arrTblUpdated, err = array.TableFromJSON(mem, t.arrSchemaUpdated,
[]string{
+ `[{"foo": true, "baz": 123, "qux": "2024-03-07", "quux": 234}]`,
+ })
+ t.Require().NoError(err)
+}
+
+func (t *TableWritingTestSuite) SetupTest() {
+ t.location = t.T().TempDir()
+}
+
+func (t *TableWritingTestSuite) TearDownSuite() {
+ t.arrTbl.Release()
+ t.arrTblUpdated.Release()
+ t.arrTblWithIDs.Release()
+}
+
+func (t *TableWritingTestSuite) getMetadataLoc() string {
+ return fmt.Sprintf("%s/metadata/%05d-%s.metadata.json",
+ t.location, 1, uuid.New().String())
+}
+
+func (t *TableWritingTestSuite) writeParquet(fio iceio.WriteFileIO, filePath
string, arrTbl arrow.Table) {
+ fo, err := fio.Create(filePath)
+ t.Require().NoError(err)
+
+ t.Require().NoError(pqarrow.WriteTable(arrTbl, fo, arrTbl.NumRows(),
+ nil, pqarrow.DefaultWriterProps()))
+}
+
+func (t *TableWritingTestSuite) createTable(identifier table.Identifier,
formatVersion int, spec iceberg.PartitionSpec, sc *iceberg.Schema) *table.Table
{
+ meta, err := table.NewMetadata(sc, &spec, table.UnsortedSortOrder,
+ t.getMetadataLoc(), iceberg.Properties{"format-version":
strconv.Itoa(formatVersion)})
+ t.Require().NoError(err)
+
+ return table.New(identifier, meta, t.location, iceio.LocalFS{}, nil)
+}
+
+func (t *TableWritingTestSuite) TestAddFilesUnpartitioned() {
+ ident := table.Identifier{"default", "unpartitioned_table_v" +
strconv.Itoa(t.formatVersion)}
+ tbl := t.createTable(ident, t.formatVersion,
+ *iceberg.UnpartitionedSpec, t.tableSchema)
+
+ t.NotNil(tbl)
+
+ files := make([]string, 0)
+ for i := range 5 {
+ filePath := fmt.Sprintf("%s/unpartitioned/test-%d.parquet",
t.location, i)
+ t.writeParquet(tbl.FS().(iceio.WriteFileIO), filePath, t.arrTbl)
Review Comment:
by default, the parquet writer will use -1 for the field IDs because we are
constructing them from Arrow tables which don't have the `PARQUET::field_id`
key in the metadata for each field of the schema. So the files produced for the
tests will not have field ids.
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