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

Uses of Schema in org.bytedeco.arrow

Methods in org.bytedeco.arrow that return Schema

Modifier and Type	Method and Description
Schema	Schema.AddMetadata(KeyValueMetadata metadata) Deprecated.
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.multiply()
Schema	SchemaVector.pop_back()
Schema	Schema.RemoveMetadata() \brief Return copy of Schema without the KeyValueMetadata
Schema	TableBatchReader.schema()
Schema	Table.schema() \brief Return the table schema
Schema	RecordBatchStreamReader.schema() \brief Returns the schema read from the stream
Schema	RecordBatchReader.schema()
Schema	RecordBatchFileReader.schema() \brief The schema read from the file
Schema	RecordBatchBuilder.schema() \brief The number of fields in the schema
Schema	RecordBatch.schema()
Schema	SchemaResult.ValueOrDie() Gets a mutable reference to the stored T value.
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	Schema.AddField(int i, Field field, Schema out)
Status	SchemaBuilder.AddSchema(Schema schema) \brief Add fields of a Schema to the constructed 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)
static Status	Table.FromRecordBatches(Schema schema, RecordBatchVector batches, Table table) \brief Construct a Table from RecordBatches, using supplied schema.
SchemaVector.Iterator	SchemaVector.insert(SchemaVector.Iterator pos, Schema value)
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
static RecordBatchWriterSharedResult	RecordBatchStreamWriter.Open(OutputStream sink, Schema schema) Create a new writer from stream sink and schema.
static RecordBatchWriterSharedResult	RecordBatchFileWriter.Open(OutputStream sink, Schema schema) Create a new writer from stream sink and schema
static RecordBatchWriterSharedResult	RecordBatchStreamWriter.Open(OutputStream sink, Schema schema, IpcOptions options)
static RecordBatchWriterSharedResult	RecordBatchFileWriter.Open(OutputStream sink, Schema schema, IpcOptions options)
static Status	RecordBatchStreamWriter.Open(OutputStream sink, Schema schema, RecordBatchWriter out) Create a new writer from stream sink and schema.
static Status	RecordBatchFileWriter.Open(OutputStream sink, Schema schema, RecordBatchWriter out) Create a new writer from stream sink and schema
SchemaVector	SchemaVector.push_back(Schema value)
SchemaVector	SchemaVector.put(long i, Schema value)
SchemaVector	SchemaVector.put(Schema... array)
SchemaVector	SchemaVector.put(Schema value)
Status	Schema.RemoveField(int i, Schema out)
Status	Schema.SetField(int i, Field field, Schema out)

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

Constructor and Description
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 effecitive 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	Source.schema()
Schema	ScanOptions.schema()
Schema	ScannerBuilder.schema()
Schema	Scanner.schema()
Schema	Dataset.schema()

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

Modifier and Type	Method and Description
SourceResult	SourceFactory.Finish(Schema schema) \brief Create a Source with the given schema.
SourceResult	FileSystemSourceFactory.Finish(Schema schema)
DatasetResult	DatasetFactory.Finish(Schema schema) \brief Create a Dataset with the given schema.
static ScanOptions	ScanOptions.Make(Schema schema)
static SourceResult	FileSystemSource.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileStatsVector stats) \brief Create a FileSystemSource.
static SourceResult	FileSystemSource.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, FileStatsVector stats, ExpressionVector partitions) \brief Create a FileSystemSource with file-level partitions.
static SourceResult	FileSystemSource.Make(Schema schema, Expression root_partition, FileFormat format, FileSystem filesystem, PathForest forest, ExpressionVector partitions) \brief Create a FileSystemSource with file-level partitions.
static DatasetResult	Dataset.Make(Source sources, Schema schema)
ScanOptions	ScanOptions.ReplaceSchema(Schema schema)
DataTypeResult	ScalarExpression.Validate(Schema schema)
DataTypeResult	OrExpression.Validate(Schema schema)
DataTypeResult	NotExpression.Validate(Schema schema)
DataTypeResult	IsValidExpression.Validate(Schema schema)
DataTypeResult	InExpression.Validate(Schema schema)
DataTypeResult	FieldExpression.Validate(Schema schema)
DataTypeResult	Expression.Validate(Schema schema) Validate this expression for execution against a schema.
DataTypeResult	ComparisonExpression.Validate(Schema schema)
DataTypeResult	CastExpression.Validate(Schema schema)
DataTypeResult	AndExpression.Validate(Schema schema)

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

Constructor and Description
InMemorySource(Schema schema, Fragment fragments)
TreeSource(Schema schema, Source children)

Uses of Schema in org.bytedeco.arrow_flight

Methods in org.bytedeco.arrow_flight that return Schema

Modifier and Type	Method and Description
Schema	RecordBatchStream.schema()
Schema	MetadataRecordBatchReader.schema() \brief Get the schema for this stream.
Schema	FlightDataStream.schema()

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

Modifier and Type	Method and Description
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	SchemaResult.GetSchema(DictionaryMemo dictionary_memo, Schema out) \brief return schema
Status	FlightInfo.GetSchema(DictionaryMemo dictionary_memo, Schema out) \brief Deserialize the Arrow schema of the dataset, to be passed to each call to DoGet.

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, 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.GetSchemaPayload(Schema schema, IpcOptions options, DictionaryMemo dictionary_memo, IpcPayload out) \brief Compute IpcPayload for the given schema
static ExpressionResult	arrow_dataset.InsertImplicitCasts(Expression expr, Schema schema) \brief Insert CastExpressions where necessary to make a valid expression.
static Status	arrow.MakeRecordBatchReader(RecordBatchVector batches, Schema schema, RecordBatchReader out) \brief Create a RecordBatchReader from a vector of RecordBatch.
static RecordBatchWriterUniqueResult	arrow.OpenRecordBatchWriter(IpcPayloadWriter sink, Schema schema, IpcOptions options) Create a new RecordBatchWriter from IpcPayloadWriter and schema.
static Status	arrow.OpenRecordBatchWriter(IpcPayloadWriter sink, Schema schema, RecordBatchWriter out) 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 Status	arrow.ReadRecordBatch(ArrowBuffer metadata, Schema schema, DictionaryMemo dictionary_memo, IpcOptions options, RandomAccessFile file, RecordBatch out) Read record batch from file given metadata and schema
static Status	arrow.ReadRecordBatch(ArrowBuffer metadata, Schema schema, DictionaryMemo dictionary_memo, RandomAccessFile file, RecordBatch out) \brief Read record batch from file given metadata and schema
static Status	arrow.ReadRecordBatch(Message message, Schema schema, DictionaryMemo dictionary_memo, RecordBatch out) \brief Read record batch from encapsulated Message
static Status	arrow.ReadRecordBatch(Schema schema, DictionaryMemo dictionary_memo, InputStream stream, RecordBatch out) Read record batch as encapsulated IPC message with metadata size prefix and header
static Status	arrow.ReadSchema(InputStream stream, DictionaryMemo dictionary_memo, Schema out) \brief Read Schema from stream serialized as a single IPC message and populate any dictionary-encoded fields into a DictionaryMemo
static Status	arrow.ReadSchema(Message message, DictionaryMemo dictionary_memo, Schema out) \brief Read Schema from encapsulated Message
static Status	arrow.SerializeSchema(Schema schema, DictionaryMemo dictionary_memo, MemoryPool pool, ArrowBuffer out) \brief Serialize schema as encapsulated IPC message

Uses of Schema in org.bytedeco.gandiva

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)