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

Class ProjectionFilter.TypeProjectionFilter

java.lang.Object

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

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

All Implemented Interfaces:

ProjectionFilter

Enclosing interface:

ProjectionFilter

public static class ProjectionFilter.TypeProjectionFilter
extends ProjectionFilter.BaseSchemaProjectionFilter

Projection based on a non-strict provided schema which enforces the type of known columns, but has no opinion about additional columns.

If the column is found, enforces that the reader schema has the same type and mode as the provided column.

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 class org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.BaseSchemaProjectionFilter

errorContext, schema

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
TypeProjectionFilter(TupleMetadata providedSchema, CustomErrorContext errorContext)

Method Summary

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

Methods inherited from class org.apache.drill.exec.physical.resultSet.impl.ProjectionFilter.BaseSchemaProjectionFilter

isEmpty, validateColumn, validateMap

Methods inherited from class java.lang.Object

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

Constructor Details

TypeProjectionFilter

public TypeProjectionFilter(TupleMetadata providedSchema,
 CustomErrorContext errorContext)

Method Details

projection

public ProjectionFilter.ProjResult projection(ColumnMetadata col)

isProjected

public boolean isProjected(String name)