arnaudbriche commented on code in PR #307:
URL: https://github.com/apache/iceberg-go/pull/307#discussion_r1960768123
##########
utils.go:
##########
@@ -238,3 +239,68 @@ func avroEncode[T any](key string, version int, vals []T,
out io.Writer) error {
return enc.Close()
}
+
+func structTypeToAvroPartitionSchema(st *StructType) (avro.Schema, error) {
+ var aFields []*avro.Field
+
+ for _, field := range st.Fields() {
+ aField, err := nestedFieldToAvroField(field)
+
+ if err != nil {
+ return nil, err
+ }
+
+ aFields = append(aFields, aField)
+ }
+
+ return avro.NewRecordSchema("r102", "", aFields)
+}
+
+func nestedFieldToAvroField(f NestedField) (*avro.Field, error) {
+ sch, err := nestedFieldToAvroSchema(f)
+
+ if err != nil {
+ return nil, err
+ }
+
+ return avro.NewField(
+ f.Name,
+ sch,
+ avro.WithDoc(f.Doc),
+ avro.WithProps(map[string]any{"field-id": f.ID}),
+ )
+}
+
+func nestedFieldToAvroSchema(f NestedField) (avro.Schema, error) {
+ var sch avro.Schema
+
+ switch f.Type.(type) {
+ case *StringType:
+ sch = avro.NewPrimitiveSchema(avro.String, nil)
+ case *Int32Type:
+ sch = avro.NewPrimitiveSchema(avro.Int, nil)
+ case *Int64Type:
+ sch = avro.NewPrimitiveSchema(avro.Long, nil)
+ case *BinaryType:
+ sch = avro.NewPrimitiveSchema(avro.Bytes, nil)
+ case *BooleanType:
+ sch = avro.NewPrimitiveSchema(avro.Boolean, nil)
+ case *Float32Type:
+ sch = avro.NewPrimitiveSchema(avro.Float, nil)
+ case *Float64Type:
+ sch = avro.NewPrimitiveSchema(avro.Double, nil)
+ case *DateType:
+ sch = avro.NewPrimitiveSchema(avro.Int,
avro.NewPrimitiveLogicalSchema(avro.Date))
+ default:
Review Comment:
Let me know if you see missing ones.
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