Package org.apache.drill.exec.expr.stat

Enum RowsMatch

java.lang.Object

java.lang.Enum<RowsMatch>

org.apache.drill.exec.expr.stat.RowsMatch

All Implemented Interfaces:

Serializable, Comparable<RowsMatch>

public enum RowsMatch
extends Enum<RowsMatch>

Define the validity of a row group against a filter

• ALL : all rows match the filter (can not drop the row group and can prune the filter)
• NONE : no row matches the filter (can drop the row group)
• SOME : some rows only match the filter or the filter can not be applied (can not drop the row group nor the filter)

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALL
NONE
SOME

Method Summary

Modifier and Type	Method	Description
static RowsMatch	valueOf(String name)	Returns the enum constant of this type with the specified name.
static RowsMatch[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

ALL

public static final RowsMatch ALL

NONE

public static final RowsMatch NONE

SOME

public static final RowsMatch SOME

Method Details

values

public static RowsMatch[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static RowsMatch valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null