org.apache.drill.exec.store.dfs

Interface FormatPlugin

All Known Implementing Classes:

AvroFormatPlugin, EasyFormatPlugin, HttpdLogFormatPlugin, JSONFormatPlugin, ParquetFormatPlugin, PcapFormatPlugin, SequenceFileFormatPlugin, TextFormatPlugin

public interface FormatPlugin

Similar to a storage engine but built specifically to work within a FileSystem context.

Method Summary

Methods

Modifier and Type	Method and Description
FormatPluginConfig	getConfig()
DrillbitContext	getContext()
org.apache.hadoop.conf.Configuration	getFsConf()
AbstractGroupScan	getGroupScan(String userName, FileSelection selection, List<SchemaPath> columns)
FormatMatcher	getMatcher()
String	getName()
Set<StoragePluginOptimizerRule>	getOptimizerRules()
StoragePluginConfig	getStorageConfig()
AbstractWriter	getWriter(PhysicalOperator child, String location, List<String> partitionColumns)
boolean	supportsAutoPartitioning() Indicates whether this FormatPlugin supports auto-partitioning for CTAS statements
boolean	supportsRead()
boolean	supportsWrite()

Method Detail

supportsRead

boolean supportsRead()

supportsWrite

boolean supportsWrite()

supportsAutoPartitioning

boolean supportsAutoPartitioning()

Indicates whether this FormatPlugin supports auto-partitioning for CTAS statements

Returns:

true if auto-partitioning is supported

getMatcher

FormatMatcher getMatcher()

getWriter

AbstractWriter getWriter(PhysicalOperator child,
                       String location,
                       List<String> partitionColumns)
                         throws IOException

Throws:

IOException

getOptimizerRules

Set<StoragePluginOptimizerRule> getOptimizerRules()

getGroupScan

AbstractGroupScan getGroupScan(String userName,
                             FileSelection selection,
                             List<SchemaPath> columns)
                               throws IOException

Throws:

IOException

getConfig

FormatPluginConfig getConfig()

getStorageConfig

StoragePluginConfig getStorageConfig()

getFsConf

org.apache.hadoop.conf.Configuration getFsConf()

getContext

DrillbitContext getContext()

getName

String getName()