Package org.apache.flink.connector.file.table

Class FileSystemTableSource

java.lang.Object

org.apache.flink.connector.file.table.FileSystemTableSource

All Implemented Interfaces:

org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown, org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown, org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown, org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown, org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata, org.apache.flink.table.connector.source.abilities.SupportsStatisticReport, org.apache.flink.table.connector.source.DynamicTableSource, org.apache.flink.table.connector.source.ScanTableSource

@Internal
public class FileSystemTableSource
extends Object
implements org.apache.flink.table.connector.source.ScanTableSource, org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown, org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown, org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown, org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown, org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata, org.apache.flink.table.connector.source.abilities.SupportsStatisticReport

File system table source.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.connector.source.DynamicTableSource

org.apache.flink.table.connector.source.DynamicTableSource.Context, org.apache.flink.table.connector.source.DynamicTableSource.DataStructureConverter

Nested classes/interfaces inherited from interface org.apache.flink.table.connector.source.ScanTableSource

org.apache.flink.table.connector.source.ScanTableSource.ScanContext, org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider

Nested classes/interfaces inherited from interface org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown

org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result

Constructor Summary

Constructors

Constructor

Description

FileSystemTableSource(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier, org.apache.flink.table.types.DataType physicalRowDataType, List<String> partitionKeys, org.apache.flink.configuration.ReadableConfig tableOptions, org.apache.flink.table.connector.format.DecodingFormat<BulkFormat<org.apache.flink.table.data.RowData,FileSourceSplit>> bulkReaderFormat, org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> deserializationFormat)

Method Summary

Modifier and Type	Method	Description
org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result	applyFilters(List<org.apache.flink.table.expressions.ResolvedExpression> filters)
void	applyLimit(long limit)
void	applyPartitions(List<Map<String,String>> remainingPartitions)
void	applyProjection(int[][] projectedFields, org.apache.flink.table.types.DataType producedDataType)
void	applyReadableMetadata(List<String> metadataKeys, org.apache.flink.table.types.DataType producedDataType)
String	asSummaryString()
FileSystemTableSource	copy()
org.apache.flink.table.connector.ChangelogMode	getChangelogMode()
org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider	getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext scanContext)
Optional<List<Map<String,String>>>	listPartitions()
Map<String,org.apache.flink.table.types.DataType>	listReadableMetadata()
org.apache.flink.table.plan.stats.TableStats	reportStatistics()
boolean	supportsNestedProjection()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata

supportsMetadataProjection

Constructor Detail

FileSystemTableSource

public FileSystemTableSource(org.apache.flink.table.catalog.ObjectIdentifier tableIdentifier,
                             org.apache.flink.table.types.DataType physicalRowDataType,
                             List<String> partitionKeys,
                             org.apache.flink.configuration.ReadableConfig tableOptions,
                             @Nullable
                             org.apache.flink.table.connector.format.DecodingFormat<BulkFormat<org.apache.flink.table.data.RowData,FileSourceSplit>> bulkReaderFormat,
                             @Nullable
                             org.apache.flink.table.connector.format.DecodingFormat<org.apache.flink.api.common.serialization.DeserializationSchema<org.apache.flink.table.data.RowData>> deserializationFormat)

Method Detail

getScanRuntimeProvider

public org.apache.flink.table.connector.source.ScanTableSource.ScanRuntimeProvider getScanRuntimeProvider(org.apache.flink.table.connector.source.ScanTableSource.ScanContext scanContext)

Specified by:

getScanRuntimeProvider in interface org.apache.flink.table.connector.source.ScanTableSource

getChangelogMode

public org.apache.flink.table.connector.ChangelogMode getChangelogMode()

Specified by:

getChangelogMode in interface org.apache.flink.table.connector.source.ScanTableSource

applyFilters

public org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown.Result applyFilters(List<org.apache.flink.table.expressions.ResolvedExpression> filters)

Specified by:

applyFilters in interface org.apache.flink.table.connector.source.abilities.SupportsFilterPushDown

applyLimit

public void applyLimit(long limit)

Specified by:

applyLimit in interface org.apache.flink.table.connector.source.abilities.SupportsLimitPushDown

listPartitions

public Optional<List<Map<String,String>>> listPartitions()

Specified by:

listPartitions in interface org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown

applyPartitions

public void applyPartitions(List<Map<String,String>> remainingPartitions)

Specified by:

applyPartitions in interface org.apache.flink.table.connector.source.abilities.SupportsPartitionPushDown

supportsNestedProjection

public boolean supportsNestedProjection()

Specified by:

supportsNestedProjection in interface org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown

reportStatistics

public org.apache.flink.table.plan.stats.TableStats reportStatistics()

Specified by:

reportStatistics in interface org.apache.flink.table.connector.source.abilities.SupportsStatisticReport

copy

public FileSystemTableSource copy()

Specified by:

copy in interface org.apache.flink.table.connector.source.DynamicTableSource

asSummaryString

public String asSummaryString()

Specified by:

asSummaryString in interface org.apache.flink.table.connector.source.DynamicTableSource

applyProjection

public void applyProjection(int[][] projectedFields,
                            org.apache.flink.table.types.DataType producedDataType)

Specified by:

applyProjection in interface org.apache.flink.table.connector.source.abilities.SupportsProjectionPushDown

applyReadableMetadata

public void applyReadableMetadata(List<String> metadataKeys,
                                  org.apache.flink.table.types.DataType producedDataType)

Specified by:

applyReadableMetadata in interface org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata

listReadableMetadata

public Map<String,org.apache.flink.table.types.DataType> listReadableMetadata()

Specified by:

listReadableMetadata in interface org.apache.flink.table.connector.source.abilities.SupportsReadingMetadata