Package org.apache.orc.impl

Class OrcFilterContextImpl

java.lang.Object

org.apache.orc.impl.OrcFilterContextImpl

All Implemented Interfaces:

org.apache.hadoop.hive.ql.io.filter.FilterContext, org.apache.hadoop.hive.ql.io.filter.MutableFilterContext, OrcFilterContext

public class OrcFilterContextImpl
extends Object
implements OrcFilterContext

This defines the input for any filter operation. This is an extension of [[VectorizedRowBatch]] with schema.

This offers a convenience method of finding the column vector from a given column name that the filters can invoke to get access to the column vector.

Constructor Summary

Constructors

Constructor	Description
OrcFilterContextImpl(TypeDescription readSchema, boolean isSchemaCaseAware)

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.hive.ql.exec.vector.ColumnVector[]	findColumnVector(String name)	Retrieves the column vector that matches the specified name.
org.apache.hadoop.hive.ql.exec.vector.ColumnVector[]	getCols()
int[]	getSelected()
int	getSelectedSize()
boolean	isSelectedInUse()
void	reset()
OrcFilterContext	setBatch(@NotNull org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)
void	setFilterContext(boolean selectedInUse, int[] selected, int selectedSize)
void	setSelected(int[] ints)
void	setSelectedInUse(boolean b)
void	setSelectedSize(int i)
int[]	updateSelected(int i)
boolean	validateSelected()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

immutable

Constructor Details

OrcFilterContextImpl

public OrcFilterContextImpl(TypeDescription readSchema,
 boolean isSchemaCaseAware)

Method Details

setBatch

public OrcFilterContext setBatch(@NotNull
 @NotNull org.apache.hadoop.hive.ql.exec.vector.VectorizedRowBatch batch)

setFilterContext

public void setFilterContext(boolean selectedInUse,
 int[] selected,
 int selectedSize)

Specified by:

setFilterContext in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

validateSelected

public boolean validateSelected()

Specified by:

validateSelected in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

updateSelected

public int[] updateSelected(int i)

Specified by:

updateSelected in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

setSelectedInUse

public void setSelectedInUse(boolean b)

Specified by:

setSelectedInUse in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

setSelected

public void setSelected(int[] ints)

Specified by:

setSelected in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

setSelectedSize

public void setSelectedSize(int i)

Specified by:

setSelectedSize in interface org.apache.hadoop.hive.ql.io.filter.MutableFilterContext

reset

public void reset()

Specified by:

reset in interface org.apache.hadoop.hive.ql.io.filter.FilterContext

isSelectedInUse

public boolean isSelectedInUse()

Specified by:

isSelectedInUse in interface org.apache.hadoop.hive.ql.io.filter.FilterContext

getSelected

public int[] getSelected()

Specified by:

getSelected in interface org.apache.hadoop.hive.ql.io.filter.FilterContext

getSelectedSize

public int getSelectedSize()

Specified by:

getSelectedSize in interface org.apache.hadoop.hive.ql.io.filter.FilterContext

getCols

public org.apache.hadoop.hive.ql.exec.vector.ColumnVector[] getCols()

findColumnVector

public org.apache.hadoop.hive.ql.exec.vector.ColumnVector[] findColumnVector(String name)

Description copied from interface: OrcFilterContext

Retrieves the column vector that matches the specified name. Allows support for nested struct references e.g. order.date where date is a field in a struct called order.

Specified by:

findColumnVector in interface OrcFilterContext

Parameters:

name - The column name whose vector should be retrieved

Returns:

The column vectors from the root to the column name. The array levels match the name levels with Array[0] referring to the top level, followed by the subsequent levels. For example of order.date Array[0] refers to order and Array[1] refers to date