org.apache.drill.exec.planner.index

Class MapRDBIndexDiscover

java.lang.Object

org.apache.drill.exec.planner.index.IndexDiscoverBase

org.apache.drill.exec.planner.index.MapRDBIndexDiscover

All Implemented Interfaces:

IndexDiscover

public class MapRDBIndexDiscover
extends IndexDiscoverBase
implements IndexDiscover

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_STRING_CAST_LEN_STR

Constructor Summary

Constructors

Constructor and Description
MapRDBIndexDiscover(GroupScan inScan, DrillScanRelBase scanRel)
MapRDBIndexDiscover(GroupScan inScan, ScanPrel scanRel)

Method Summary

Modifier and Type	Method and Description
DrillTable	getNativeDrillTable(IndexDescriptor idxDescriptor) When it is native index(index provided by native storage plugin), the actual IndexDiscover should provide the implementation to get the DrillTable object of index, Otherwise, we call IndexDiscoverable interface exposed from external storage plugin's SchemaFactory to get the desired DrillTable.
IndexCollection	getTableIndex(String tableName)

Methods inherited from class org.apache.drill.exec.planner.index.IndexDiscoverBase

buildDrillTable, getExternalDrillTable, getOriginalScan, getOriginalScanRel, getTableIndex, materializeIndex

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_STRING_CAST_LEN_STR

public static final String DEFAULT_STRING_CAST_LEN_STR

See Also:

Constant Field Values

Constructor Detail

MapRDBIndexDiscover

public MapRDBIndexDiscover(GroupScan inScan,
                           DrillScanRelBase scanRel)

MapRDBIndexDiscover

public MapRDBIndexDiscover(GroupScan inScan,
                           ScanPrel scanRel)

Method Detail

getTableIndex

public IndexCollection getTableIndex(String tableName)

Specified by:

getTableIndex in interface IndexDiscover

getNativeDrillTable

public DrillTable getNativeDrillTable(IndexDescriptor idxDescriptor)

Description copied from class: IndexDiscoverBase

When it is native index(index provided by native storage plugin), the actual IndexDiscover should provide the implementation to get the DrillTable object of index, Otherwise, we call IndexDiscoverable interface exposed from external storage plugin's SchemaFactory to get the desired DrillTable.

Specified by:

getNativeDrillTable in class IndexDiscoverBase

Returns: