Top Description Fields Constructors Methods
org.h2.expression.function

public final Class DayMonthNameFunction

extends Function1
Class Inheritance
Imports
java.text.DateFormatSymbols, java.util.Locale, org.h2.engine.SessionLocal, org.h2.expression.Expression, .TypedValueExpression, org.h2.message.DbException, org.h2.util.DateTimeUtils, org.h2.value.TypeInfo, .Value, .ValueNull, .ValueVarchar
A DAYNAME() or MONTHNAME() function.

Field Summary

Modifier and TypeField and Description
public static final int
DAYNAME

DAYNAME() (non-standard).

private final int
function

public static final int
MONTHNAME

MONTHNAME() (non-standard).

private static volatile String[][]
MONTHS_AND_WEEKS

English names of months and week days.

private static final String[]
NAMES

Constructor Summary

AccessConstructor and Description
public
DayMonthNameFunction(Expression arg, int function)

Method Summary

Modifier and TypeMethod and Description
private static String[]

Returns:

names of month or weeks
getMonthsAndWeeks(int
0 for months, 1 for weekdays
field)

Return names of month or weeks.

public String
getName()

Implements org.h2.expression.function.NamedExpression.getName.

Get the name.

public Value
getValue(SessionLocal
the session
session)

Implements abstract org.h2.expression.Expression.getValue.

Return the resulting value for the current row.

public Expression
optimize(SessionLocal
the session
session)

Implements abstract org.h2.expression.Expression.optimize.

Try to optimize the expression.

Inherited from org.h2.expression.function.Function1:
getUnenclosedSQL

Field Detail

DAYNAMEback to summary
public static final int DAYNAME

DAYNAME() (non-standard).

functionback to summary
private final int function
MONTHNAMEback to summary
public static final int MONTHNAME

MONTHNAME() (non-standard).

MONTHS_AND_WEEKSback to summary
private static volatile String[][] MONTHS_AND_WEEKS

English names of months and week days.

NAMESback to summary
private static final String[] NAMES

Constructor Detail

DayMonthNameFunctionback to summary
public DayMonthNameFunction(Expression arg, int function)

Method Detail

getMonthsAndWeeksback to summary
private static String[] getMonthsAndWeeks(int field)

Return names of month or weeks.

Parameters
field:int

0 for months, 1 for weekdays

Returns:String[]

names of month or weeks

getNameback to summary
public String getName()

Implements org.h2.expression.function.NamedExpression.getName.

Doc from org.h2.expression.function.NamedExpression.getName.

Get the name.

Returns:String

the name in uppercase

Annotations
@Override
getValueback to summary
public Value getValue(SessionLocal session)

Implements abstract org.h2.expression.Expression.getValue.

Doc from org.h2.expression.Expression.getValue.

Return the resulting value for the current row.

Parameters
session:SessionLocal

the session

Returns:Value

the result

Annotations
@Override
optimizeback to summary
public Expression optimize(SessionLocal session)

Implements abstract org.h2.expression.Expression.optimize.

Doc from org.h2.expression.Expression.optimize.

Try to optimize the expression.

Parameters
session:SessionLocal

the session

Returns:Expression

the optimized expression

Annotations
@Override