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

Packages that use Schema

Package	Description
org.apache.arrow.adapter.jdbc
org.apache.arrow.driver.jdbc.client
org.apache.arrow.driver.jdbc.utils
org.apache.arrow.flight
org.apache.arrow.flight.integration.tests
org.apache.arrow.flight.sql
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.adapter.jdbc

Methods in org.apache.arrow.adapter.jdbc that return Schema

Modifier and Type	Method and Description
static Schema	JdbcToArrowUtils.jdbcToArrowSchema(ParameterMetaData parameterMetaData, Calendar calendar) Create Arrow Schema object for the given JDBC ResultSetMetaData.
static Schema	JdbcToArrowUtils.jdbcToArrowSchema(ResultSetMetaData rsmd, Calendar calendar) Create Arrow Schema object for the given JDBC ResultSetMetaData.
static Schema	JdbcToArrowUtils.jdbcToArrowSchema(ResultSetMetaData rsmd, JdbcToArrowConfig config) Create Arrow Schema object for the given JDBC ResultSetMetaData.

Uses of Schema in org.apache.arrow.driver.jdbc.client

Methods in org.apache.arrow.driver.jdbc.client that return Schema

Modifier and Type	Method and Description
Schema	ArrowFlightSqlClientHandler.PreparedStatement.getDataSetSchema() Gets the Schema of this ArrowFlightSqlClientHandler.PreparedStatement.

Uses of Schema in org.apache.arrow.driver.jdbc.utils

Constructors in org.apache.arrow.driver.jdbc.utils with parameters of type Schema

Constructor and Description
Builder(Schema schema, BufferAllocator bufferAllocator)

Uses of Schema in org.apache.arrow.flight

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

Modifier and Type	Method and Description
Schema	FlightInfo.getSchema()
Schema	SchemaResult.getSchema()
Schema	FlightStream.getSchema() Get the schema for this stream.

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

Constructor and Description
FlightInfo(Schema schema, FlightDescriptor descriptor, List<FlightEndpoint> endpoints, long bytes, long records) Constructs a new instance.
FlightInfo(Schema schema, FlightDescriptor descriptor, List<FlightEndpoint> endpoints, long bytes, long records, IpcOption option) Constructs a new instance.
SchemaResult(Schema schema)
SchemaResult(Schema schema, IpcOption option) Create a schema result with specific IPC options for serialization.

Uses of Schema in org.apache.arrow.flight.integration.tests

Methods in org.apache.arrow.flight.integration.tests with parameters of type Schema

Modifier and Type	Method and Description
protected void	FlightSqlScenario.validate(Schema expectedSchema, FlightInfo flightInfo, FlightSqlClient sqlClient)
protected void	FlightSqlScenario.validateSchema(Schema expected, SchemaResult actual)

Uses of Schema in org.apache.arrow.flight.sql

Fields in org.apache.arrow.flight.sql declared as Schema

Modifier and Type	Field and Description
static Schema	FlightSqlProducer.Schemas.GET_CATALOGS_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_CROSS_REFERENCE_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_EXPORTED_KEYS_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_IMPORTED_KEYS_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_PRIMARY_KEYS_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_SCHEMAS_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_SQL_INFO_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_TABLE_TYPES_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_TABLES_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_TABLES_SCHEMA_NO_SCHEMA
static Schema	FlightSqlProducer.Schemas.GET_TYPE_INFO_SCHEMA

Methods in org.apache.arrow.flight.sql that return Schema

Modifier and Type	Method and Description
Schema	FlightSqlClient.PreparedStatement.getParameterSchema() Returns the Schema of the parameters.
Schema	FlightSqlClient.PreparedStatement.getResultSetSchema() Returns the Schema of the resultset.

Uses of Schema in org.apache.arrow.vector

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

Modifier and Type	Method and Description
Schema	VectorSchemaRoot.getSchema()

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

Modifier and Type	Method and 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

Constructor and 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 and Description
protected Schema	ArrowWriter.schema

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

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

Constructor and 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 and Description
protected Schema	BaseTable.schema The schema for the table.

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

Modifier and Type	Method and 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 and Description
static Schema	Schema.convertSchema(Schema schema) Converts a flatbuffer schema to its POJO representation.
static Schema	Schema.deserialize(ByteBuffer buffer)
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 and 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 and 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 and Description
static void	MetadataV4UnionChecker.checkRead(Schema schema, MetadataVersion metadataVersion) Check the schema, raising an error if an unsupported feature is used (e.g.