Package org.apache.drill.exec.physical.resultSet.impl

Class ProjectionFilter.DirectProjectionFilter

java.lang.Object

org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.DirectProjectionFilter

All Implemented Interfaces:

ProjectionFilter

Enclosing interface:

ProjectionFilter

public static class ProjectionFilter.DirectProjectionFilter
extends Object
implements ProjectionFilter

Projection filter based on the (parsed) projection list. Enforces that the reader column is consistent with the form of projection (map, array, or plain) in the projection list.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter

ProjectionFilter.BaseSchemaProjectionFilter, ProjectionFilter.CompoundProjectionFilter, ProjectionFilter.DirectProjectionFilter, ProjectionFilter.ImplicitProjectionFilter, ProjectionFilter.ProjResult, ProjectionFilter.SchemaProjectionFilter, ProjectionFilter.TypeProjectionFilter

Field Summary

Fields inherited from interface org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter

logger, NOT_PROJECTED, PROJECT_ALL, PROJECT_NONE, PROJECTED

Constructor Summary

Constructors

Constructor	Description
DirectProjectionFilter(RequestedTuple projectionSet, CustomErrorContext errorContext)

Method Summary

Modifier and Type	Method	Description
boolean	isEmpty()
boolean	isProjected(String colName)
ProjectionFilter.ProjResult	projection(ColumnMetadata col)

Methods inherited from class java.lang.Object

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

Constructor Details

DirectProjectionFilter

public DirectProjectionFilter(RequestedTuple projectionSet,
 CustomErrorContext errorContext)

Method Details

projection

public ProjectionFilter.ProjResult projection(ColumnMetadata col)

Specified by:

projection in interface ProjectionFilter

isProjected

public boolean isProjected(String colName)

Specified by:

isProjected in interface ProjectionFilter

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface ProjectionFilter