public final class ArrowSchema extends GeneratedMessageV3 implements ArrowSchemaOrBuilderArrow schema as specified in https://arrow.apache.org/docs/python/api/datatypes.html and serialized to bytes using IPC: https://arrow.apache.org/docs/format/Columnar.html#serialization-and-interprocess-communication-ipc
See code samples on how this message can be deserialized.
Protobuf type google.cloud.bigquery.storage.v1beta2.ArrowSchema
Inheritance
Object > AbstractMessageLite<MessageType,BuilderType> > AbstractMessage > GeneratedMessageV3 > ArrowSchemaImplements
ArrowSchemaOrBuilderStatic Fields
SERIALIZED_SCHEMA_FIELD_NUMBER
public static final int SERIALIZED_SCHEMA_FIELD_NUMBER| Field Value | |
|---|---|
| Type | Description |
int |
|
Static Methods
getDefaultInstance()
public static ArrowSchema getDefaultInstance()| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
getDescriptor()
public static final Descriptors.Descriptor getDescriptor()| Returns | |
|---|---|
| Type | Description |
Descriptor |
|
newBuilder()
public static ArrowSchema.Builder newBuilder()| Returns | |
|---|---|
| Type | Description |
ArrowSchema.Builder |
|
newBuilder(ArrowSchema prototype)
public static ArrowSchema.Builder newBuilder(ArrowSchema prototype)| Parameter | |
|---|---|
| Name | Description |
prototype |
ArrowSchema |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema.Builder |
|
parseDelimitedFrom(InputStream input)
public static ArrowSchema parseDelimitedFrom(InputStream input)| Parameter | |
|---|---|
| Name | Description |
input |
InputStream |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseDelimitedFrom(InputStream input, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
input |
InputStream |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseFrom(byte[] data)
public static ArrowSchema parseFrom(byte[] data)| Parameter | |
|---|---|
| Name | Description |
data |
byte[] |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseFrom(byte[] data, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
data |
byte[] |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parseFrom(ByteString data)
public static ArrowSchema parseFrom(ByteString data)| Parameter | |
|---|---|
| Name | Description |
data |
ByteString |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseFrom(ByteString data, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
data |
ByteString |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parseFrom(CodedInputStream input)
public static ArrowSchema parseFrom(CodedInputStream input)| Parameter | |
|---|---|
| Name | Description |
input |
CodedInputStream |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseFrom(CodedInputStream input, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
input |
CodedInputStream |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseFrom(InputStream input)
public static ArrowSchema parseFrom(InputStream input)| Parameter | |
|---|---|
| Name | Description |
input |
InputStream |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseFrom(InputStream input, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseFrom(InputStream input, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
input |
InputStream |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|
parseFrom(ByteBuffer data)
public static ArrowSchema parseFrom(ByteBuffer data)| Parameter | |
|---|---|
| Name | Description |
data |
ByteBuffer |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parseFrom(ByteBuffer data, ExtensionRegistryLite extensionRegistry)
public static ArrowSchema parseFrom(ByteBuffer data, ExtensionRegistryLite extensionRegistry)| Parameters | |
|---|---|
| Name | Description |
data |
ByteBuffer |
extensionRegistry |
ExtensionRegistryLite |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
| Exceptions | |
|---|---|
| Type | Description |
InvalidProtocolBufferException |
|
parser()
public static Parser<ArrowSchema> parser()| Returns | |
|---|---|
| Type | Description |
Parser<ArrowSchema> |
|
Methods
equals(Object obj)
public boolean equals(Object obj)| Parameter | |
|---|---|
| Name | Description |
obj |
Object |
| Returns | |
|---|---|
| Type | Description |
boolean |
|
getDefaultInstanceForType()
public ArrowSchema getDefaultInstanceForType()| Returns | |
|---|---|
| Type | Description |
ArrowSchema |
|
getParserForType()
public Parser<ArrowSchema> getParserForType()| Returns | |
|---|---|
| Type | Description |
Parser<ArrowSchema> |
|
getSerializedSchema()
public ByteString getSerializedSchema()IPC serialized Arrow schema.
bytes serialized_schema = 1;
| Returns | |
|---|---|
| Type | Description |
ByteString |
The serializedSchema. |
getSerializedSize()
public int getSerializedSize()| Returns | |
|---|---|
| Type | Description |
int |
|
hashCode()
public int hashCode()| Returns | |
|---|---|
| Type | Description |
int |
|
internalGetFieldAccessorTable()
protected GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()| Returns | |
|---|---|
| Type | Description |
FieldAccessorTable |
|
isInitialized()
public final boolean isInitialized()| Returns | |
|---|---|
| Type | Description |
boolean |
|
newBuilderForType()
public ArrowSchema.Builder newBuilderForType()| Returns | |
|---|---|
| Type | Description |
ArrowSchema.Builder |
|
newBuilderForType(GeneratedMessageV3.BuilderParent parent)
protected ArrowSchema.Builder newBuilderForType(GeneratedMessageV3.BuilderParent parent)| Parameter | |
|---|---|
| Name | Description |
parent |
BuilderParent |
| Returns | |
|---|---|
| Type | Description |
ArrowSchema.Builder |
|
newInstance(GeneratedMessageV3.UnusedPrivateParameter unused)
protected Object newInstance(GeneratedMessageV3.UnusedPrivateParameter unused)| Parameter | |
|---|---|
| Name | Description |
unused |
UnusedPrivateParameter |
| Returns | |
|---|---|
| Type | Description |
Object |
|
toBuilder()
public ArrowSchema.Builder toBuilder()| Returns | |
|---|---|
| Type | Description |
ArrowSchema.Builder |
|
writeTo(CodedOutputStream output)
public void writeTo(CodedOutputStream output)| Parameter | |
|---|---|
| Name | Description |
output |
CodedOutputStream |
| Exceptions | |
|---|---|
| Type | Description |
IOException |
|