SampleCollector (TiKV Java Client 3.3.5 API)

java.lang.Object
- com.google.protobuf.AbstractMessageLite
- - com.google.protobuf.AbstractMessage
  - - com.google.protobuf.GeneratedMessageV3
    - - com.pingcap.tidb.tipb.SampleCollector

所有已实现的接口:

com.google.protobuf.Message, com.google.protobuf.MessageLite, com.google.protobuf.MessageLiteOrBuilder, com.google.protobuf.MessageOrBuilder, SampleCollectorOrBuilder, Serializable
```
public final class SampleCollector
extends com.google.protobuf.GeneratedMessageV3
implements SampleCollectorOrBuilder
```
```
 SampleCollector is used for collect samples and calculate the count and ndv of an column.
 
```
Protobuf type tipb.SampleCollector
另请参阅:

序列化表格

嵌套类概要

嵌套类
限定符和类型类和说明

static class SampleCollector.Builder
SampleCollector is used for collect samples and calculate the count and ndv of an column.
- 从类继承的嵌套类/接口 com.google.protobuf.GeneratedMessageV3
  com.google.protobuf.GeneratedMessageV3.BuilderParent, com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage,BuilderType extends com.google.protobuf.GeneratedMessageV3.ExtendableBuilder<MessageType,BuilderType>>, com.google.protobuf.GeneratedMessageV3.ExtendableMessage<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage>, com.google.protobuf.GeneratedMessageV3.ExtendableMessageOrBuilder<MessageType extends com.google.protobuf.GeneratedMessageV3.ExtendableMessage>, 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

嵌套类
限定符和类型	类和说明
`static class`	`SampleCollector.Builder` SampleCollector is used for collect samples and calculate the count and ndv of an column.

字段概要

字段
限定符和类型	字段和说明
`static int`	`CM_SKETCH_FIELD_NUMBER`
`static int`	`COUNT_FIELD_NUMBER`
`static int`	`FM_SKETCH_FIELD_NUMBER`
`static int`	`NULL_COUNT_FIELD_NUMBER`
`static com.google.protobuf.Parser<SampleCollector>`	`PARSER` 已过时。
`static int`	`SAMPLES_FIELD_NUMBER`
`static int`	`TOTAL_SIZE_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
限定符和类型	方法和说明
`boolean`	`equals(Object obj)`
`CMSketch`	`getCmSketch()` `optional .tipb.CMSketch cm_sketch = 5;`
`CMSketchOrBuilder`	`getCmSketchOrBuilder()` `optional .tipb.CMSketch cm_sketch = 5;`
`long`	`getCount()` `optional int64 count = 3 [(.gogoproto.nullable) = false];`
`static SampleCollector`	`getDefaultInstance()`
`SampleCollector`	`getDefaultInstanceForType()`
`static com.google.protobuf.Descriptors.Descriptor`	`getDescriptor()`
`FMSketch`	`getFmSketch()` `optional .tipb.FMSketch fm_sketch = 4;`
`FMSketchOrBuilder`	`getFmSketchOrBuilder()` `optional .tipb.FMSketch fm_sketch = 4;`
`long`	`getNullCount()` `optional int64 null_count = 2 [(.gogoproto.nullable) = false];`
`com.google.protobuf.Parser<SampleCollector>`	`getParserForType()`
`com.google.protobuf.ByteString`	`getSamples(int index)` `repeated bytes samples = 1;`
`int`	`getSamplesCount()` `repeated bytes samples = 1;`
`List<com.google.protobuf.ByteString>`	`getSamplesList()` `repeated bytes samples = 1;`
`int`	`getSerializedSize()`
`long`	`getTotalSize()` `optional int64 total_size = 6;`
`com.google.protobuf.UnknownFieldSet`	`getUnknownFields()`
`boolean`	`hasCmSketch()` `optional .tipb.CMSketch cm_sketch = 5;`
`boolean`	`hasCount()` `optional int64 count = 3 [(.gogoproto.nullable) = false];`
`boolean`	`hasFmSketch()` `optional .tipb.FMSketch fm_sketch = 4;`
`int`	`hashCode()`
`boolean`	`hasNullCount()` `optional int64 null_count = 2 [(.gogoproto.nullable) = false];`
`boolean`	`hasTotalSize()` `optional int64 total_size = 6;`
`protected com.google.protobuf.GeneratedMessageV3.FieldAccessorTable`	`internalGetFieldAccessorTable()`
`boolean`	`isInitialized()`
`static SampleCollector.Builder`	`newBuilder()`
`static SampleCollector.Builder`	`newBuilder(SampleCollector prototype)`
`SampleCollector.Builder`	`newBuilderForType()`
`protected SampleCollector.Builder`	`newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)`
`static SampleCollector`	`parseDelimitedFrom(InputStream input)`
`static SampleCollector`	`parseDelimitedFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static SampleCollector`	`parseFrom(byte[] data)`
`static SampleCollector`	`parseFrom(byte[] data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static SampleCollector`	`parseFrom(ByteBuffer data)`
`static SampleCollector`	`parseFrom(ByteBuffer data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static SampleCollector`	`parseFrom(com.google.protobuf.ByteString data)`
`static SampleCollector`	`parseFrom(com.google.protobuf.ByteString data, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static SampleCollector`	`parseFrom(com.google.protobuf.CodedInputStream input)`
`static SampleCollector`	`parseFrom(com.google.protobuf.CodedInputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static SampleCollector`	`parseFrom(InputStream input)`
`static SampleCollector`	`parseFrom(InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)`
`static com.google.protobuf.Parser<SampleCollector>`	`parser()`
`SampleCollector.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, hasField, hasOneof, internalGetMapField, isStringEmpty, makeExtensionsImmutable, mergeFromAndMakeImmutableInternal, mutableCopy, mutableCopy, mutableCopy, mutableCopy, mutableCopy, newBooleanList, newBuilderForType, newDoubleList, newFloatList, newInstance, 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.MessageOrBuilder
findInitializationErrors, getAllFields, getDescriptorForType, getField, getInitializationErrorString, getOneofFieldDescriptor, getRepeatedField, getRepeatedFieldCount, hasField, hasOneof

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

- 字段详细资料
  - SAMPLES_FIELD_NUMBER
```
public static final int SAMPLES_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - NULL_COUNT_FIELD_NUMBER
```
public static final int NULL_COUNT_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - COUNT_FIELD_NUMBER
```
public static final int COUNT_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - FM_SKETCH_FIELD_NUMBER
```
public static final int FM_SKETCH_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - CM_SKETCH_FIELD_NUMBER
```
public static final int CM_SKETCH_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - TOTAL_SIZE_FIELD_NUMBER
```
public static final int TOTAL_SIZE_FIELD_NUMBER
```
    另请参阅:
    
    常量字段值
  - PARSER
```
@Deprecated
public static final com.google.protobuf.Parser<SampleCollector> PARSER
```
    已过时。
- 方法详细资料
  - getUnknownFields
```
public final com.google.protobuf.UnknownFieldSet getUnknownFields()
```
    指定者:
    
    getUnknownFields 在接口中 com.google.protobuf.MessageOrBuilder
    
    覆盖:
    
    getUnknownFields 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
  - getSamplesList
```
public List<com.google.protobuf.ByteString> getSamplesList()
```
    repeated bytes samples = 1;
    
    指定者:
    
    getSamplesList 在接口中 SampleCollectorOrBuilder
  - getSamplesCount
```
public int getSamplesCount()
```
    repeated bytes samples = 1;
    
    指定者:
    
    getSamplesCount 在接口中 SampleCollectorOrBuilder
  - getSamples
```
public com.google.protobuf.ByteString getSamples(int index)
```
    repeated bytes samples = 1;
    
    指定者:
    
    getSamples 在接口中 SampleCollectorOrBuilder
  - hasNullCount
```
public boolean hasNullCount()
```
    optional int64 null_count = 2 [(.gogoproto.nullable) = false];
    
    指定者:
    
    hasNullCount 在接口中 SampleCollectorOrBuilder
  - getNullCount
```
public long getNullCount()
```
    optional int64 null_count = 2 [(.gogoproto.nullable) = false];
    
    指定者:
    
    getNullCount 在接口中 SampleCollectorOrBuilder
  - hasCount
```
public boolean hasCount()
```
    optional int64 count = 3 [(.gogoproto.nullable) = false];
    
    指定者:
    
    hasCount 在接口中 SampleCollectorOrBuilder
  - getCount
```
public long getCount()
```
    optional int64 count = 3 [(.gogoproto.nullable) = false];
    
    指定者:
    
    getCount 在接口中 SampleCollectorOrBuilder
  - hasFmSketch
```
public boolean hasFmSketch()
```
    optional .tipb.FMSketch fm_sketch = 4;
    
    指定者:
    
    hasFmSketch 在接口中 SampleCollectorOrBuilder
  - getFmSketch
```
public FMSketch getFmSketch()
```
    optional .tipb.FMSketch fm_sketch = 4;
    
    指定者:
    
    getFmSketch 在接口中 SampleCollectorOrBuilder
  - getFmSketchOrBuilder
```
public FMSketchOrBuilder getFmSketchOrBuilder()
```
    optional .tipb.FMSketch fm_sketch = 4;
    
    指定者:
    
    getFmSketchOrBuilder 在接口中 SampleCollectorOrBuilder
  - hasCmSketch
```
public boolean hasCmSketch()
```
    optional .tipb.CMSketch cm_sketch = 5;
    
    指定者:
    
    hasCmSketch 在接口中 SampleCollectorOrBuilder
  - getCmSketch
```
public CMSketch getCmSketch()
```
    optional .tipb.CMSketch cm_sketch = 5;
    
    指定者:
    
    getCmSketch 在接口中 SampleCollectorOrBuilder
  - getCmSketchOrBuilder
```
public CMSketchOrBuilder getCmSketchOrBuilder()
```
    optional .tipb.CMSketch cm_sketch = 5;
    
    指定者:
    
    getCmSketchOrBuilder 在接口中 SampleCollectorOrBuilder
  - hasTotalSize
```
public boolean hasTotalSize()
```
    optional int64 total_size = 6;
    
    指定者:
    
    hasTotalSize 在接口中 SampleCollectorOrBuilder
  - getTotalSize
```
public long getTotalSize()
```
    optional int64 total_size = 6;
    
    指定者:
    
    getTotalSize 在接口中 SampleCollectorOrBuilder
  - isInitialized
```
public final boolean isInitialized()
```
    指定者:
    
    isInitialized 在接口中 com.google.protobuf.MessageLiteOrBuilder
    
    覆盖:
    
    isInitialized 在类中 com.google.protobuf.GeneratedMessageV3
  - writeTo
```
public void writeTo(com.google.protobuf.CodedOutputStream output)
             throws IOException
```
    指定者:
    
    writeTo 在接口中 com.google.protobuf.MessageLite
    
    覆盖:
    
    writeTo 在类中 com.google.protobuf.GeneratedMessageV3
    
    抛出:
    
    IOException
  - getSerializedSize
```
public int getSerializedSize()
```
    指定者:
    
    getSerializedSize 在接口中 com.google.protobuf.MessageLite
    
    覆盖:
    
    getSerializedSize 在类中 com.google.protobuf.GeneratedMessageV3
  - equals
```
public boolean equals(Object obj)
```
    指定者:
    
    equals 在接口中 com.google.protobuf.Message
    
    覆盖:
    
    equals 在类中 com.google.protobuf.AbstractMessage
  - hashCode
```
public int hashCode()
```
    指定者:
    
    hashCode 在接口中 com.google.protobuf.Message
    
    覆盖:
    
    hashCode 在类中 com.google.protobuf.AbstractMessage
  - parseFrom
```
public static SampleCollector parseFrom(ByteBuffer data)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(ByteBuffer data,
                                        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(com.google.protobuf.ByteString data)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(com.google.protobuf.ByteString data,
                                        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(byte[] data)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(byte[] data,
                                        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                 throws com.google.protobuf.InvalidProtocolBufferException
```
    抛出:
    
    com.google.protobuf.InvalidProtocolBufferException
  - parseFrom
```
public static SampleCollector parseFrom(InputStream input)
                                 throws IOException
```
    抛出:
    
    IOException
  - parseFrom
```
public static SampleCollector parseFrom(InputStream input,
                                        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                 throws IOException
```
    抛出:
    
    IOException
  - parseDelimitedFrom
```
public static SampleCollector parseDelimitedFrom(InputStream input)
                                          throws IOException
```
    抛出:
    
    IOException
  - parseDelimitedFrom
```
public static SampleCollector parseDelimitedFrom(InputStream input,
                                                 com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                          throws IOException
```
    抛出:
    
    IOException
  - parseFrom
```
public static SampleCollector parseFrom(com.google.protobuf.CodedInputStream input)
                                 throws IOException
```
    抛出:
    
    IOException
  - parseFrom
```
public static SampleCollector parseFrom(com.google.protobuf.CodedInputStream input,
                                        com.google.protobuf.ExtensionRegistryLite extensionRegistry)
                                 throws IOException
```
    抛出:
    
    IOException
  - newBuilderForType
```
public SampleCollector.Builder newBuilderForType()
```
    指定者:
    
    newBuilderForType 在接口中 com.google.protobuf.Message
    
    指定者:
    
    newBuilderForType 在接口中 com.google.protobuf.MessageLite
  - newBuilder
```
public static SampleCollector.Builder newBuilder()
```
  - newBuilder
```
public static SampleCollector.Builder newBuilder(SampleCollector prototype)
```
  - toBuilder
```
public SampleCollector.Builder toBuilder()
```
    指定者:
    
    toBuilder 在接口中 com.google.protobuf.Message
    
    指定者:
    
    toBuilder 在接口中 com.google.protobuf.MessageLite
  - newBuilderForType
```
protected SampleCollector.Builder newBuilderForType(com.google.protobuf.GeneratedMessageV3.BuilderParent parent)
```
    指定者:
    
    newBuilderForType 在类中 com.google.protobuf.GeneratedMessageV3
  - getDefaultInstance
```
public static SampleCollector getDefaultInstance()
```
  - parser
```
public static com.google.protobuf.Parser<SampleCollector> parser()
```
  - getParserForType
```
public com.google.protobuf.Parser<SampleCollector> getParserForType()
```
    指定者:
    
    getParserForType 在接口中 com.google.protobuf.Message
    
    指定者:
    
    getParserForType 在接口中 com.google.protobuf.MessageLite
    
    覆盖:
    
    getParserForType 在类中 com.google.protobuf.GeneratedMessageV3
  - getDefaultInstanceForType
```
public SampleCollector getDefaultInstanceForType()
```
    指定者:
    
    getDefaultInstanceForType 在接口中 com.google.protobuf.MessageLiteOrBuilder
    
    指定者:
    
    getDefaultInstanceForType 在接口中 com.google.protobuf.MessageOrBuilder

类 SampleCollector

嵌套类概要

从类继承的嵌套类/接口 com.google.protobuf.GeneratedMessageV3

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

字段概要

从类继承的字段 com.google.protobuf.GeneratedMessageV3

从类继承的字段 com.google.protobuf.AbstractMessage

从类继承的字段 com.google.protobuf.AbstractMessageLite

方法概要

从类继承的方法 com.google.protobuf.GeneratedMessageV3

从类继承的方法 com.google.protobuf.AbstractMessage

从类继承的方法 com.google.protobuf.AbstractMessageLite

从类继承的方法 java.lang.Object

从接口继承的方法 com.google.protobuf.MessageOrBuilder

从接口继承的方法 com.google.protobuf.MessageLite

字段详细资料

SAMPLES_FIELD_NUMBER

NULL_COUNT_FIELD_NUMBER

COUNT_FIELD_NUMBER

FM_SKETCH_FIELD_NUMBER

CM_SKETCH_FIELD_NUMBER

TOTAL_SIZE_FIELD_NUMBER

PARSER

方法详细资料

getUnknownFields

getDescriptor

internalGetFieldAccessorTable

getSamplesList

getSamplesCount

getSamples

hasNullCount

getNullCount

hasCount

getCount

hasFmSketch

getFmSketch

getFmSketchOrBuilder

hasCmSketch

getCmSketch

getCmSketchOrBuilder

hasTotalSize

getTotalSize

isInitialized

writeTo

getSerializedSize

equals

hashCode

parseFrom

parseFrom

parseFrom

parseFrom

parseFrom

parseFrom

parseFrom

parseFrom

parseDelimitedFrom

parseDelimitedFrom

parseFrom

parseFrom

newBuilderForType

newBuilder

newBuilder

toBuilder

newBuilderForType

getDefaultInstance

parser

getParserForType

getDefaultInstanceForType