private protected Offset <Flatbuf.Schema> SerializeSchema(Schema schema)
{
// Build metadata
VectorOffset metadataVectorOffset = default;
if (schema.HasMetadata)
{
Offset <Flatbuf.KeyValue>[] metadataOffsets = GetMetadataOffsets(schema.Metadata);
metadataVectorOffset = Flatbuf.Schema.CreateCustomMetadataVector(Builder, metadataOffsets);
}
// Build fields
var fieldOffsets = new Offset <Flatbuf.Field> [schema.Fields.Count];
for (int i = 0; i < fieldOffsets.Length; i++)
{
Field field = schema.GetFieldByIndex(i);
StringOffset fieldNameOffset = Builder.CreateString(field.Name);
ArrowTypeFlatbufferBuilder.FieldType fieldType = _fieldTypeBuilder.BuildFieldType(field);
VectorOffset fieldChildrenVectorOffset = GetChildrenFieldOffset(field);
VectorOffset fieldMetadataVectorOffset = GetFieldMetadataOffset(field);
fieldOffsets[i] = Flatbuf.Field.CreateField(Builder,
fieldNameOffset, field.IsNullable, fieldType.Type, fieldType.Offset,
private protected Offset <Flatbuf.Schema> SerializeSchema(Schema schema)
{
// TODO: Serialize schema metadata
// Build fields
var fieldOffsets = new Offset <Flatbuf.Field> [schema.Fields.Count];
for (int i = 0; i < fieldOffsets.Length; i++)
{
Field field = schema.GetFieldByIndex(i);
StringOffset fieldNameOffset = Builder.CreateString(field.Name);
ArrowTypeFlatbufferBuilder.FieldType fieldType = _fieldTypeBuilder.BuildFieldType(field);
VectorOffset fieldChildrenVectorOffset = Builder.CreateVectorOfTables(GetChildrenFieldOffsets(field));
fieldOffsets[i] = Flatbuf.Field.CreateField(Builder,
fieldNameOffset, field.IsNullable, fieldType.Type, fieldType.Offset,
private protected Offset <Flatbuf.Schema> SerializeSchema(Schema schema)
{
// Build metadata
VectorOffset metadataVectorOffset = default;
if (schema.HasMetadata)
{
Offset <Flatbuf.KeyValue>[] metadataOffsets = GetMetadataOffsets(schema.Metadata);
metadataVectorOffset = Flatbuf.Schema.CreateCustomMetadataVector(Builder, metadataOffsets);
}
// Build fields
var fieldOffsets = new Offset <Flatbuf.Field> [schema.Fields.Count];
for (int i = 0; i < fieldOffsets.Length; i++)
{
Field field = schema.GetFieldByIndex(i);
StringOffset fieldNameOffset = Builder.CreateString(field.Name);
ArrowTypeFlatbufferBuilder.FieldType fieldType = _fieldTypeBuilder.BuildFieldType(field);
VectorOffset fieldChildrenVectorOffset = GetChildrenFieldOffset(field);
VectorOffset fieldMetadataVectorOffset = GetFieldMetadataOffset(field);
Offset <Flatbuf.DictionaryEncoding> dictionaryOffset = GetDictionaryOffset(field);
fieldOffsets[i] = Flatbuf.Field.CreateField(Builder,
fieldNameOffset, field.IsNullable, fieldType.Type, fieldType.Offset,
dictionaryOffset, fieldChildrenVectorOffset, fieldMetadataVectorOffset);
}
VectorOffset fieldsVectorOffset = Flatbuf.Schema.CreateFieldsVector(Builder, fieldOffsets);
// Build schema
Flatbuf.Endianness endianness = BitConverter.IsLittleEndian ? Flatbuf.Endianness.Little : Flatbuf.Endianness.Big;
return(Flatbuf.Schema.CreateSchema(
Builder, endianness, fieldsVectorOffset, metadataVectorOffset));
}
