org.apache.paimon.format.orc

类 OrcFileFormat

java.lang.Object

org.apache.paimon.format.FileFormat

org.apache.paimon.format.orc.OrcFileFormat

@ThreadSafe
public class OrcFileFormat
extends org.apache.paimon.format.FileFormat

Orc FileFormat.

字段概要

字段

限定符和类型	字段和说明
static String	IDENTIFIER

从类继承的字段 org.apache.paimon.format.FileFormat

formatIdentifier

构造器概要

构造器

构造器和说明
OrcFileFormat(org.apache.paimon.format.FileFormatFactory.FormatContext formatContext)

方法概要

限定符和类型	方法和说明
org.apache.paimon.format.FormatReaderFactory	createReaderFactory(org.apache.paimon.types.RowType projectedRowType, List<org.apache.paimon.predicate.Predicate> filters)
Optional<org.apache.paimon.format.SimpleStatsExtractor>	createStatsExtractor(org.apache.paimon.types.RowType type, org.apache.paimon.statistics.SimpleColStatsCollector.Factory[] statsCollectors)
org.apache.paimon.format.FormatWriterFactory	createWriterFactory(org.apache.paimon.types.RowType type) The OrcWriterFactory will create ThreadLocalClassLoaderConfiguration from the input writer config to avoid classloader leaks.
Properties	orcProperties()
int	readBatchSize()
static org.apache.paimon.types.DataType	refineDataType(org.apache.paimon.types.DataType type)
void	validateDataFields(org.apache.paimon.types.RowType rowType)

从类继承的方法 org.apache.paimon.format.FileFormat

createReaderFactory, fromIdentifier, fromIdentifier, getFileFormat, getFormatIdentifier

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料

IDENTIFIER

public static final String IDENTIFIER

另请参阅:

常量字段值

构造器详细资料

OrcFileFormat

public OrcFileFormat(org.apache.paimon.format.FileFormatFactory.FormatContext formatContext)

方法详细资料

orcProperties

@VisibleForTesting
public Properties orcProperties()

readBatchSize

@VisibleForTesting
public int readBatchSize()

createStatsExtractor

public Optional<org.apache.paimon.format.SimpleStatsExtractor> createStatsExtractor(org.apache.paimon.types.RowType type,
                                                                                    org.apache.paimon.statistics.SimpleColStatsCollector.Factory[] statsCollectors)

覆盖:

createStatsExtractor 在类中 org.apache.paimon.format.FileFormat

createReaderFactory

public org.apache.paimon.format.FormatReaderFactory createReaderFactory(org.apache.paimon.types.RowType projectedRowType,
                                                                        @Nullable
                                                                        List<org.apache.paimon.predicate.Predicate> filters)

指定者:

createReaderFactory 在类中 org.apache.paimon.format.FileFormat

validateDataFields

public void validateDataFields(org.apache.paimon.types.RowType rowType)

指定者:

validateDataFields 在类中 org.apache.paimon.format.FileFormat

createWriterFactory

public org.apache.paimon.format.FormatWriterFactory createWriterFactory(org.apache.paimon.types.RowType type)

The OrcWriterFactory will create ThreadLocalClassLoaderConfiguration from the input writer config to avoid classloader leaks.

TODO: The ThreadLocalClassLoaderConfiguration in OrcWriterFactory should be removed after https://issues.apache.org/jira/browse/ORC-653 is fixed.

指定者:

createWriterFactory 在类中 org.apache.paimon.format.FileFormat

参数:

type - The data type for the writer

返回:

The factory of the writer

refineDataType

public static org.apache.paimon.types.DataType refineDataType(org.apache.paimon.types.DataType type)