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

public final Class StringFunction2

extends Function2
Class Inheritance
Imports
org.h2.engine.SessionLocal, org.h2.expression.Expression, .TypedValueExpression, org.h2.message.DbException, org.h2.value.TypeInfo, .Value, .ValueVarchar
A string function with two arguments.

Field Summary

Modifier and TypeField and Description
private final int
function

public static final int
LEFT

LEFT() (non-standard).

private static final String[]
NAMES

public static final int
REPEAT

REPEAT() (non-standard).

public static final int
RIGHT

RIGHT() (non-standard).

Constructor Summary

AccessConstructor and Description
public
StringFunction2(Expression arg1, Expression arg2, int function)

Method Summary

Modifier and TypeMethod and Description
public String
getName()

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

Get the name.

public Value
getValue(SessionLocal
the session
session, Value
the value of first argument
v1, Value
the value of second argument
v2)

Overrides org.h2.expression.function.Function2.getValue.

Returns the value of this function.

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.Function2:
getUnenclosedSQLgetValue

Field Detail

functionback to summary
private final int function
LEFTback to summary
public static final int LEFT

LEFT() (non-standard).

NAMESback to summary
private static final String[] NAMES
REPEATback to summary
public static final int REPEAT

REPEAT() (non-standard).

Constructor Detail

StringFunction2back to summary
public StringFunction2(Expression arg1, Expression arg2, int function)

Method Detail

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, Value v1, Value v2)

Overrides org.h2.expression.function.Function2.getValue.

Doc from org.h2.expression.function.Function2.getValue.

Returns the value of this function.

Parameters
session:SessionLocal

the session

v1:Value

the value of first argument

v2:Value

the value of second argument

Returns:Value

the resulting value

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