ProjectionFilter.SchemaProjectionFilter (Drill : 1.21.2-SNAPSHOT API)

java.lang.Object

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

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

All Implemented Interfaces:: ProjectionFilter

Enclosing interface:: ProjectionFilter

public static class ProjectionFilter.SchemaProjectionFilter extends ProjectionFilter.BaseSchemaProjectionFilter

Projection filter in which a schema exactly defines the set of allowed columns, and their types.

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

SchemaProjectionFilter(TupleMetadata definedSchema, 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
- SchemaProjectionFilter
  
  public SchemaProjectionFilter(TupleMetadata definedSchema, CustomErrorContext errorContext)
Method Details
- projection
  
  public ProjectionFilter.ProjResult projection(ColumnMetadata col)
- isProjected
  
  public boolean isProjected(String name)