java.lang.Object
- com.google.protobuf.AbstractMessageLite
- - com.google.protobuf.AbstractMessage
  - - com.google.protobuf.GeneratedMessageV3
    - - com.alibaba.graphscope.gaia.proto.GraphAlgebraPhysical.Project

所有已实现的接口:

GraphAlgebraPhysical.ProjectOrBuilder, com.google.protobuf.Message, com.google.protobuf.MessageLite, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, Serializable

封闭类:

GraphAlgebraPhysical
```
public static final class GraphAlgebraPhysical.Project
extends com.google.protobuf.GeneratedMessageV3
implements GraphAlgebraPhysical.ProjectOrBuilder
```
```
 To project a relation on certain attributes or further their properties
 
```
Protobuf type physical.Project
另请参阅:

序列化表格

嵌套类概要

嵌套类
修饰符和类型	类	说明
`static class`	`GraphAlgebraPhysical.Project.Builder`	To project a relation on certain attributes or further their properties
`static class`	`GraphAlgebraPhysical.Project.ExprAlias`	Protobuf type `physical.Project.ExprAlias`
`static interface`	`GraphAlgebraPhysical.Project.ExprAliasOrBuilder`

从类继承的嵌套类/接口 com.google.protobuf.GeneratedMessageV3
com.google.protobuf.GeneratedMessageV3.BuilderParent, com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>,BuilderT extends com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageT,BuilderT>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessageOrBuilder<MessageT extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageT>>, com.google.protobuf.GeneratedMessageV3.FieldAccessorTable, com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter

从类继承的嵌套类/接口 com.google.protobuf.AbstractMessageLite
com.google.protobuf.AbstractMessageLite.InternalOneOfEnum

字段概要

字段
修饰符和类型字段说明

static int IS_APPEND_FIELD_NUMBER

static int MAPPINGS_FIELD_NUMBER
- 从类继承的字段 com.google.protobuf.GeneratedMessageV3
  alwaysUseFieldBuilders, unknownFields
- 从类继承的字段 com.google.protobuf.AbstractMessage
  memoizedSize
- 从类继承的字段 com.google.protobuf.AbstractMessageLite
  memoizedHashCode

方法概要

所有方法静态方法实例方法具体方法
修饰符和类型	方法	说明
`boolean`	`equals(Object obj)`
`static GraphAlgebraPhysical.Project`	`getDefaultInstance()`
`GraphAlgebraPhysical.Project`	`getDefaultInstanceForType()`
`static com.google.protobuf.Descriptors.Descriptor`	`getDescriptor()`
`boolean`	`getIsAppend()`	An indicator to tell the runtime whether the projected value is appending to or replacing existing relation.
`GraphAlgebraPhysical.Project.ExprAlias`	`getMappings(int index)`	A list of [expression -> alias] to be projected from the graph relation.
`int`	`getMappingsCount()`	A list of [expression -> alias] to be projected from the graph relation.
`List<GraphAlgebraPhysical.Project.ExprAlias>`	`getMappingsList()`	A list of [expression -> alias] to be projected from the graph relation.
`GraphAlgebraPhysical.Project.ExprAliasOrBuilder`	`getMappingsOrBuilder(int index)`	A list of [expression -> alias] to be projected from the graph relation.
`List<? extends GraphAlgebraPhysical.Project.ExprAliasOrBuilder>`	`getMappingsOrBuilderList()`	A list of [expression -> alias] to be projected from the graph relation.
`com.google.protobuf.Parser<GraphAlgebraPhysical.Project>`	`getParserForType()`
`int`	`getSerializedSize()`
`int`	`hashCode()`
`protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable`	`internalGetFieldAccessorTable()`
`boolean`	`isInitialized()`
`static GraphAlgebraPhysical.Project.Builder`	`newBuilder()`
`static GraphAlgebraPhysical.Project.Builder`	`newBuilder(GraphAlgebraPhysical.Project prototype)`
`GraphAlgebraPhysical.Project.Builder`	`newBuilderForType()`
`protected GraphAlgebraPhysical.Project.Builder`	`newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)`
`protected Object`	`newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)`
`static GraphAlgebraPhysical.Project`	`parseDelimitedFrom(InputStream input)`
`static GraphAlgebraPhysical.Project`	`parseDelimitedFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static GraphAlgebraPhysical.Project`	`parseFrom(byte[] data)`
`static GraphAlgebraPhysical.Project`	`parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static GraphAlgebraPhysical.Project`	`parseFrom(com.google.protobuf.ByteString data)`
`static GraphAlgebraPhysical.Project`	`parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static GraphAlgebraPhysical.Project`	`parseFrom(com.google.protobuf.CodedInputStream input)`
`static GraphAlgebraPhysical.Project`	`parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static GraphAlgebraPhysical.Project`	`parseFrom(InputStream input)`
`static GraphAlgebraPhysical.Project`	`parseFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static GraphAlgebraPhysical.Project`	`parseFrom(ByteBuffer data)`
`static GraphAlgebraPhysical.Project`	`parseFrom(ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static com.google.protobuf.Parser<GraphAlgebraPhysical.Project>`	`parser()`
`GraphAlgebraPhysical.Project.Builder`	`toBuilder()`
`void`	`writeTo(com.google.protobuf.CodedOutputStream output)`

从类继承的方法 com.google.protobuf.GeneratedMessageV3
canUseUnsafe, computeStringSize, computeStringSizeNoTag, emptyBooleanList, emptyDoubleList, emptyFloatList, emptyIntList, emptyLongList, getAllFields, getDescriptorForType, getField, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof, internalGetMapField, isStringEmpty, makeExtensionsImmutable, makeMutableCopy, mergeFromAndMakeImmutableInternal, mutableCopy, mutableCopy, mutableCopy, mutableCopy, mutableCopy, newBooleanList, newBuilderForType, newDoubleList, newFloatList, newIntList, newLongList, parseDelimitedWithIOException, parseDelimitedWithIOException, parseUnknownField, parseUnknownFieldProto3, parseWithIOException, parseWithIOException, parseWithIOException, parseWithIOException, serializeBooleanMapTo, serializeIntegerMapTo, serializeLongMapTo, serializeStringMapTo, writeReplace, writeString, writeStringNoTag

从类继承的方法 com.google.protobuf.AbstractMessage
findInitializationErrors, getInitializationErrorString, hashBoolean, hashEnum, hashEnumList, hashFields, hashLong, toString

从类继承的方法 com.google.protobuf.AbstractMessageLite
addAll, addAll, checkByteStringIsUtf8, toByteArray, toByteString, writeDelimitedTo, writeTo

从类继承的方法 java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

从接口继承的方法 com.google.protobuf.MessageLite
toByteArray, toByteString, writeDelimitedTo, writeTo

从接口继承的方法 com.google.protobuf.MessageOrBuilder
findInitializationErrors, getAllFields, getDescriptorForType, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, getUnknownFields, hasField, hasOneof

字段详细资料
- MAPPINGS_FIELD_NUMBER
```
public static final int MAPPINGS_FIELD_NUMBER
```
  另请参阅:
  
  常量字段值
- IS_APPEND_FIELD_NUMBER
```
public static final int IS_APPEND_FIELD_NUMBER
```
  另请参阅:
  
  常量字段值

方法详细资料

newInstance

protected Object newInstance(com.google.protobuf.GeneratedMessageV3.UnusedPrivateParameter unused)

覆盖:: newInstance 在类中 com.google.protobuf.GeneratedMessageV3

getDescriptor

public static final com.google.protobuf.Descriptors.Descriptor getDescriptor()

internalGetFieldAccessorTable
```
protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable internalGetFieldAccessorTable()
```
指定者:

internalGetFieldAccessorTable 在类中 com.google.protobuf.GeneratedMessageV3