Uses of Class
org.apache.arrow.vector.types.pojo.Schema

Packages that use Schema

Package	Description
org.apache.arrow.vector
org.apache.arrow.vector.ipc
org.apache.arrow.vector.ipc.message
org.apache.arrow.vector.table
org.apache.arrow.vector.types.pojo
org.apache.arrow.vector.util
org.apache.arrow.vector.validate

Uses of Schema in org.apache.arrow.vector

Methods in org.apache.arrow.vector that return Schema

Modifier and Type	Method	Description
Schema	VectorSchemaRoot.getSchema()

Methods in org.apache.arrow.vector with parameters of type Schema

Modifier and Type	Method	Description
static VectorSchemaRoot	VectorSchemaRoot.create(Schema schema, BufferAllocator allocator)	Creates a new set of empty vectors corresponding to the given schema.

Constructors in org.apache.arrow.vector with parameters of type Schema

Modifier	Constructor	Description
	VectorSchemaRoot(Schema schema, List<FieldVector> fieldVectors, int rowCount)	Constructs a new instance.

Uses of Schema in org.apache.arrow.vector.ipc

Fields in org.apache.arrow.vector.ipc declared as Schema

Modifier and Type	Field	Description
protected final Schema	ArrowWriter.schema

Methods in org.apache.arrow.vector.ipc that return Schema

Modifier and Type	Method	Description
protected Schema	ArrowFileReader.readSchema()
protected abstract Schema	ArrowReader.readSchema()	Read the Schema from the source, will be invoked at the beginning the initialization.
protected Schema	ArrowStreamReader.readSchema()	Reads the schema message from the beginning of the stream.
Schema	JsonFileReader.start()	Reads the beginning (schema section) of the json file and returns it.

Methods in org.apache.arrow.vector.ipc with parameters of type Schema

Modifier and Type	Method	Description
void	JsonFileWriter.start(Schema schema, DictionaryProvider provider)	Writes out the "header" of the file including the schema and any dictionaries required.

Uses of Schema in org.apache.arrow.vector.ipc.message

Methods in org.apache.arrow.vector.ipc.message that return Schema

Modifier and Type	Method	Description
static Schema	MessageSerializer.deserializeSchema(Message schemaMessage)	Deserializes an Arrow Schema object from a schema message.
static Schema	MessageSerializer.deserializeSchema(MessageMetadataResult message)	Deserializes an Arrow Schema object from a MessageMetadataResult.
static Schema	MessageSerializer.deserializeSchema(ReadChannel in)	Deserializes an Arrow Schema read from the input channel.
Schema	ArrowFooter.getSchema()

Methods in org.apache.arrow.vector.ipc.message with parameters of type Schema

Modifier and Type	Method	Description
static long	MessageSerializer.serialize(WriteChannel out, Schema schema)	Serialize a schema object.
static long	MessageSerializer.serialize(WriteChannel out, Schema schema, IpcOption option)	Serialize a schema object.
static ByteBuffer	MessageSerializer.serializeMetadata(Schema schema)	Deprecated.
static ByteBuffer	MessageSerializer.serializeMetadata(Schema schema, IpcOption writeOption)	Returns the serialized flatbuffer bytes of the schema wrapped in a message table.

Constructors in org.apache.arrow.vector.ipc.message with parameters of type Schema

Modifier	Constructor	Description
	ArrowFooter(Schema schema, List<ArrowBlock> dictionaries, List<ArrowBlock> recordBatches)
	ArrowFooter(Schema schema, List<ArrowBlock> dictionaries, List<ArrowBlock> recordBatches, Map<String,String> metaData)	Constructs a new instance.
	ArrowFooter(Schema schema, List<ArrowBlock> dictionaries, List<ArrowBlock> recordBatches, Map<String,String> metaData, MetadataVersion metadataVersion)	Constructs a new instance.

Uses of Schema in org.apache.arrow.vector.table

Fields in org.apache.arrow.vector.table declared as Schema

Modifier and Type	Field	Description
protected Schema	BaseTable.schema	The schema for the table.

Methods in org.apache.arrow.vector.table that return Schema

Modifier and Type	Method	Description
Schema	BaseTable.getSchema()	Returns the schema for this Table.

Uses of Schema in org.apache.arrow.vector.types.pojo

Methods in org.apache.arrow.vector.types.pojo that return Schema

Modifier and Type	Method	Description
static Schema	Schema.convertSchema(Schema schema)	Converts a flatbuffer schema to its POJO representation.
static Schema	Schema.deserialize(ByteBuffer buffer)	Deprecated.
static Schema	Schema.deserializeMessage(ByteBuffer buffer)	Deserialize a schema that has been serialized as a message using serializeAsMessage().
static Schema	Schema.fromJSON(String json)

Uses of Schema in org.apache.arrow.vector.util

Methods in org.apache.arrow.vector.util that return Schema

Modifier and Type	Method	Description
static Schema	SchemaUtility.deserialize(byte[] bytes, BufferAllocator allocator)	Deserialize Arrow schema from byte array.

Methods in org.apache.arrow.vector.util with parameters of type Schema

Modifier and Type	Method	Description
static void	Validator.compareSchemas(Schema schema1, Schema schema2)	Validate two arrow schemas are equal.
static byte[]	SchemaUtility.serialize(Schema schema)	Serialize Arrow schema into byte array.

Uses of Schema in org.apache.arrow.vector.validate

Methods in org.apache.arrow.vector.validate with parameters of type Schema

Modifier and Type	Method	Description
static void	MetadataV4UnionChecker.checkRead(Schema schema, MetadataVersion metadataVersion)	Check the schema, raising an error if an unsupported feature is used (e.g.