Uses of Class
org.bytedeco.arrow.Schema

Packages that use Schema

Package	Description
org.bytedeco.arrow
org.bytedeco.arrow_dataset
org.bytedeco.arrow_flight
org.bytedeco.arrow.global
org.bytedeco.gandiva
org.bytedeco.parquet

Uses of Schema in org.bytedeco.arrow

Methods in org.bytedeco.arrow that return Schema

Modifier and Type	Method and Description
Schema	SchemaResult.access()
Schema	JsonParseOptions.explicit_schema() Optional explicit schema (disables type inference on those fields)
Schema[]	SchemaVector.get()
Schema	SchemaVector.Iterator.get()
Schema	SchemaVector.get(long i)
Schema	SchemaResult.MoveValueUnsafe()
Schema	SchemaResult.multiply()
Schema	SchemaVector.pop_back()
Schema	Schema.RemoveMetadata() \brief Return copy of Schema without the KeyValueMetadata
Schema	Datum.schema() \brief The schema of the variant, if any
Schema	CollectListener.schema()
Schema	TableBatchReader.schema()
Schema	Reader.schema()
Schema	StreamDecoder.schema()
Schema	Table.schema() \brief Return the table schema
Schema	RecordBatchFileReader.schema() \brief The schema read from the file
Schema	RecordBatch.schema()
Schema	RecordBatchBuilder.schema() \brief The number of fields in the schema
Schema	RecordBatchReader.schema()
Schema	SchemaResult.ValueOrDie() Gets a mutable reference to the stored T value.
Schema	SchemaResult.ValueUnsafe() Cast the internally stored value to produce a new result or propagate the stored error.
Schema	Schema.WithEndianness(arrow.Endianness endianness) \brief Set endianness in the schema
Schema	Schema.WithEndianness(int endianness)
Schema	Schema.WithMetadata(KeyValueMetadata metadata) \brief Replace key-value metadata with new metadata

Methods in org.bytedeco.arrow with parameters of type Schema

Modifier and Type	Method and Description
Status	SchemaBuilder.AddSchema(Schema schema) \brief Add fields of a Schema to the constructed Schema.
Status	DictionaryFieldMapper.AddSchemaFields(Schema schema)
boolean	Schema.Equals(Schema other)
boolean	Schema.Equals(Schema other, boolean check_metadata) Returns true if all of the schema fields are equal
JsonParseOptions	JsonParseOptions.explicit_schema(Schema setter)
FieldPath	FieldRef.FindAll(Schema schema) \brief Retrieve FieldPath of every child field which matches this FieldRef.
static TableResult	Table.FromRecordBatches(Schema schema, RecordBatchVector batches) \brief Construct a Table from RecordBatches, using supplied schema.
SchemaVector.Iterator	SchemaVector.insert(SchemaVector.Iterator pos, Schema value)
static RecordBatchReaderSharedResult	RecordBatchReader.Make(RecordBatchVector batches, Schema schema) \brief Create a RecordBatchReader from a vector of RecordBatch.
static Table	Table.Make(Schema schema, ArrayVector arrays)
static Table	Table.Make(Schema schema, ArrayVector arrays, long num_rows) \brief Construct a Table from schema and arrays
static Table	Table.Make(Schema schema, ChunkedArrayVector columns)
static Table	Table.Make(Schema schema, ChunkedArrayVector columns, long num_rows) \brief Construct a Table from schema and columns If columns is zero-length, the table's number of rows is zero
static RecordBatch	RecordBatch.Make(Schema schema, long num_rows, ArrayDataVector columns) \brief Construct record batch from vector of internal data structures
static RecordBatch	RecordBatch.Make(Schema schema, long num_rows, ArrayVector columns)
static Status	RecordBatchBuilder.Make(Schema schema, MemoryPool pool, long initial_capacity, RecordBatchBuilder builder) \brief Create an initialize a RecordBatchBuilder
static Status	RecordBatchBuilder.Make(Schema schema, MemoryPool pool, RecordBatchBuilder builder) \brief Create an initialize a RecordBatchBuilder
Status	CollectListener.OnSchemaDecoded(Schema schema)
Status	Listener.OnSchemaDecoded(Schema schema) \brief Called when a schema is decoded.
SchemaVector	SchemaVector.push_back(Schema value)
SchemaVector	SchemaVector.put(long i, Schema value)
SchemaVector	SchemaVector.put(Schema... array)
SchemaVector	SchemaVector.put(Schema value)

Constructors in org.bytedeco.arrow with parameters of type Schema

Constructor and Description
DictionaryFieldMapper(Schema schema)
Schema(Schema arg0)
SchemaBuilder(Schema schema)
SchemaBuilder(Schema schema, int conflict_policy, Field.MergeOptions field_merge_options)
SchemaBuilder(Schema schema, SchemaBuilder.ConflictPolicy conflict_policy, Field.MergeOptions field_merge_options) \brief Construct a SchemaBuilder from a schema, preserving the metadata field_merge_options is only effective when conflict_policy == CONFLICT_MERGE.
SchemaResult(Schema value) Constructs a Result object that contains value.
SchemaVector(Schema... array)
SchemaVector(Schema value)

Uses of Schema in org.bytedeco.arrow_dataset

Methods in org.bytedeco.arrow_dataset that return Schema

Modifier and Type	Method and Description
Schema	ScanOptions.dataset_schema() Schema with which batches will be read from fragments.
Schema	ScannerBuilder.projected_schema()
Schema	ScanOptions.projected_schema() Schema of projected record batches.
Schema	Partitioning.schema() \brief The partition schema.
Schema	FileWriter.schema()
Schema	ScannerBuilder.schema()
Schema	Dataset.schema()
Schema	FinishOptions.schema() Finalize the dataset with this given schema.
Schema	PartitioningFactoryOptions.schema() Optionally, an expected schema can be provided, in which case inference will only check discovered fields against the schema and update internal state (such as dictionaries).

Methods in org.bytedeco.arrow_dataset with parameters of type Schema

Modifier and Type	Method and Description
ExpressionResult	Expression.Bind(Schema in_schema)
ExpressionResult	Expression.Bind(Schema in_schema, ExecContext arg1)
ScanOptions	ScanOptions.dataset_schema(Schema setter)
PartitioningResult	PartitioningFactory.Finish(Schema schema) Create a partitioning using the provided schema (fields may be dropped).
DatasetResult	DatasetFactory.Finish(Schema schema) \brief Create a Dataset with the given schema (see \a InspectOptions::schema)
static UnionDatasetResult	UnionDataset.Make(Schema schema, Dataset children) \brief Construct a UnionDataset wrapping child Datasets.
static FileSystemDatasetResult	FileSystemDataset.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileFragmentVector fragments) \brief Create a FileSystemDataset.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Open a fragment
FileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema) \brief Create a Fragment targeting all RowGroups.
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, int[] row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntBuffer row_groups)
ParquetFileFragmentResult	ParquetFileFormat.MakeFragment(FileSource source, Expression partition_expression, Schema physical_schema, IntPointer row_groups) \brief Create a Fragment, restricted to the specified row groups.
FileFragmentResult	FileFormat.MakeFragment(FileSource source, Schema physical_schema) \brief Create a FileFragment for a FileSource.
FileWriterResult	FileFormat.MakeWriter(OutputStream destination, Schema schema, FileWriteOptions options) \brief Create a writer for this format.
FileWriterResult	CsvFileFormat.MakeWriter(OutputStream destination, Schema schema, FileWriteOptions options)
FileWriterResult	ParquetFileFormat.MakeWriter(OutputStream destination, Schema schema, FileWriteOptions options)
FileWriterResult	IpcFileFormat.MakeWriter(OutputStream destination, Schema schema, FileWriteOptions options)
ScanOptions	ScanOptions.projected_schema(Schema setter)
DatasetResult	FileSystemDataset.ReplaceSchema(Schema schema) \brief Replace the schema of the dataset.
DatasetResult	UnionDataset.ReplaceSchema(Schema schema)
DatasetResult	Dataset.ReplaceSchema(Schema schema) \brief Return a copy of this Dataset with a different schema.
DatasetResult	InMemoryDataset.ReplaceSchema(Schema schema)
FinishOptions	FinishOptions.schema(Schema setter)
PartitioningFactoryOptions	PartitioningFactoryOptions.schema(Schema setter)

Constructors in org.bytedeco.arrow_dataset with parameters of type Schema

Constructor and Description
DirectoryPartitioning(Schema schema)
DirectoryPartitioning(Schema schema, ArrayVector dictionaries) If a field in schema is of dictionary type, the corresponding element of dictionaries must be contain the dictionary of values for that field.
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl)
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl, arrow_dataset.CustomOpenWithCompression format_impl, BytePointer name)
FunctionPartitioning(Schema schema, arrow_dataset.CustomOpenWithCompression parse_impl, arrow_dataset.CustomOpenWithCompression format_impl, String name)
HivePartitioning(Schema schema)
HivePartitioning(Schema schema, ArrayVector dictionaries, BytePointer null_fallback)
HivePartitioning(Schema schema, ArrayVector dictionaries, String null_fallback) If a field in schema is of dictionary type, the corresponding element of dictionaries must be contain the dictionary of values for that field.
InMemoryDataset(Schema schema, InMemoryDataset.RecordBatchGenerator get_batches) Construct a dataset from a schema and a factory of record batch iterators.
InMemoryDataset(Schema schema, RecordBatchVector batches) Convenience constructor taking a fixed list of batches
InMemoryFragment(Schema schema, RecordBatchVector record_batches)
InMemoryFragment(Schema schema, RecordBatchVector record_batches, Expression arg2)
ScannerBuilder(Schema schema, Fragment fragment, ScanOptions scan_options)

Uses of Schema in org.bytedeco.arrow_flight

Methods in org.bytedeco.arrow_flight that return Schema

Modifier and Type	Method and Description
Schema	FlightDataStream.schema()
Schema	RecordBatchStream.schema()

Methods in org.bytedeco.arrow_flight with parameters of type Schema

Modifier and Type	Method and Description
Status	MetadataRecordBatchWriter.Begin(Schema schema)
Status	MetadataRecordBatchWriter.Begin(Schema schema, IpcWriteOptions options) \brief Begin writing data with the given schema.
Status	FlightClient.DoPut(FlightCallOptions options, FlightDescriptor descriptor, Schema schema, FlightStreamWriter stream, FlightMetadataReader reader) \brief Upload data to a Flight described by the given descriptor.
Status	FlightClient.DoPut(FlightDescriptor descriptor, Schema schema, FlightStreamWriter stream, FlightMetadataReader reader)
Status	FlightInfo.GetSchema(DictionaryMemo dictionary_memo, Schema out) \brief Deserialize the Arrow schema of the dataset, to be passed to each call to DoGet.
Status	SchemaResult.GetSchema(DictionaryMemo dictionary_memo, Schema out) \brief return schema
static FlightInfoResult	FlightInfo.Make(Schema schema, FlightDescriptor descriptor, FlightEndpoint endpoints, long total_records, long total_bytes) \brief Factory method to construct a FlightInfo.

Uses of Schema in org.bytedeco.arrow.global

Methods in org.bytedeco.arrow.global that return Schema

Modifier and Type	Method and Description
static Schema	arrow.schema(FieldVector fields)
static Schema	arrow.schema(FieldVector fields, arrow.Endianness endianness)
static Schema	arrow.schema(FieldVector fields, arrow.Endianness endianness, KeyValueMetadata metadata) \brief Create a Schema instance
static Schema	arrow.schema(FieldVector fields, int endianness)
static Schema	arrow.schema(FieldVector fields, int endianness, KeyValueMetadata metadata)
static Schema	arrow.schema(FieldVector fields, KeyValueMetadata metadata) \brief Create a Schema instance

Methods in org.bytedeco.arrow.global with parameters of type Schema

Modifier and Type	Method and Description
static Status	arrow_dataset.CheckProjectable(Schema from, Schema to) Logic for automatically determining the structure of multi-file dataset with possible partitioning according to available partitioning
static Status	arrow.GetSchemaPayload(Schema schema, IpcWriteOptions options, DictionaryFieldMapper mapper, IpcPayload out) \brief Compute IpcPayload for the given schema
static RecordBatchWriterSharedResult	arrow.MakeFileWriter(OutputStream sink, Schema schema)
static RecordBatchWriterSharedResult	arrow.MakeFileWriter(OutputStream sink, Schema schema, IpcWriteOptions options, KeyValueMetadata metadata) Create a new IPC file writer from stream sink and schema
static IpcPayloadWriterResult	arrow.MakePayloadFileWriter(OutputStream sink, Schema schema)
static IpcPayloadWriterResult	arrow.MakePayloadFileWriter(OutputStream sink, Schema schema, IpcWriteOptions options, KeyValueMetadata metadata) Create a new IPC payload file writer from stream sink.
static RecordBatchWriterSharedResult	arrow.MakeStreamWriter(OutputStream sink, Schema schema)
static RecordBatchWriterSharedResult	arrow.MakeStreamWriter(OutputStream sink, Schema schema, IpcWriteOptions options) \defgroup record-batch-writer-factories Functions for creating RecordBatchWriter instances \{
static RecordBatchWriterSharedResult	arrow.NewFileWriter(OutputStream sink, Schema schema) Deprecated.
static RecordBatchWriterSharedResult	arrow.NewFileWriter(OutputStream sink, Schema schema, IpcWriteOptions options, KeyValueMetadata metadata) Deprecated.
static RecordBatchWriterSharedResult	arrow.NewStreamWriter(OutputStream sink, Schema schema) Deprecated.
static RecordBatchWriterSharedResult	arrow.NewStreamWriter(OutputStream sink, Schema schema, IpcWriteOptions options) Deprecated.
static RecordBatchWriterUniqueResult	arrow.OpenRecordBatchWriter(IpcPayloadWriter sink, Schema schema)
static RecordBatchWriterUniqueResult	arrow.OpenRecordBatchWriter(IpcPayloadWriter sink, Schema schema, IpcWriteOptions options) Create a new RecordBatchWriter from IpcPayloadWriter and schema.
static Status	arrow.PrettyPrint(Schema schema, PrettyPrintOptions options, BytePointer result)
static Status	arrow.PrettyPrint(Schema schema, PrettyPrintOptions options, Pointer sink)
static TableResult	arrow.PromoteTableToSchema(Table table, Schema schema)
static TableResult	arrow.PromoteTableToSchema(Table table, Schema schema, MemoryPool pool) \brief Promotes a table to conform to the given schema.
static RecordBatchResult	arrow.ReadRecordBatch(ArrowBuffer metadata, Schema schema, DictionaryMemo dictionary_memo, IpcReadOptions options, RandomAccessFile file) Read record batch from file given metadata and schema
static RecordBatchResult	arrow.ReadRecordBatch(Message message, Schema schema, DictionaryMemo dictionary_memo, IpcReadOptions options) \brief Read record batch from message
static RecordBatchResult	arrow.ReadRecordBatch(Schema schema, DictionaryMemo dictionary_memo, IpcReadOptions options, InputStream stream) Read record batch as encapsulated IPC message with metadata size prefix and header
static BufferResult	arrow.SerializeSchema(Schema schema)
static BufferResult	arrow.SerializeSchema(Schema schema, MemoryPool pool) \brief Serialize schema as encapsulated IPC message

Uses of Schema in org.bytedeco.gandiva

Methods in org.bytedeco.gandiva that return Schema

Modifier and Type	Method and Description
Schema	FilterCacheKey.schema()

Methods in org.bytedeco.gandiva with parameters of type Schema

Modifier and Type	Method and Description
static Status	Filter.Make(Schema schema, Condition condition, Configuration config, Filter filter) \brief Build a filter for the given schema and condition.
static Status	Filter.Make(Schema schema, Condition condition, Filter filter) Build a filter for the given schema and condition, with the default configuration.
static Status	Projector.Make(Schema schema, Expression exprs, Configuration configuration, Projector projector) Build a projector for the given schema to evaluate the vector of expressions.
static Status	Projector.Make(Schema schema, Expression exprs, int selection_vector_mode, Configuration configuration, Projector projector)
static Status	Projector.Make(Schema schema, Expression exprs, Projector projector) Build a default projector for the given schema to evaluate the vector of expressions.
static Status	Projector.Make(Schema schema, Expression exprs, SelectionVector.Mode selection_vector_mode, Configuration configuration, Projector projector) Build a projector for the given schema to evaluate the vector of expressions.

Constructors in org.bytedeco.gandiva with parameters of type Schema

Constructor and Description
Filter(LLVMGenerator llvm_generator, Schema schema, Configuration config)
FilterCacheKey(Schema schema, Configuration configuration, Expression expression)

Uses of Schema in org.bytedeco.parquet

Methods in org.bytedeco.parquet that return Schema

Modifier and Type	Method and Description
Schema	FileWriter.schema()

Methods in org.bytedeco.parquet with parameters of type Schema

Modifier and Type	Method and Description
Status	FileReader.GetSchema(Schema out) \brief Return arrow schema for all the columns.
static Status	FileWriter.Make(MemoryPool pool, ParquetFileWriter writer, Schema schema, ArrowWriterProperties arrow_properties, FileWriter out)
static Status	FileWriter.Open(Schema schema, MemoryPool pool, OutputStream sink, WriterProperties properties, ArrowWriterProperties arrow_properties, FileWriter writer)
static Status	FileWriter.Open(Schema schema, MemoryPool pool, OutputStream sink, WriterProperties properties, FileWriter writer)