Package org.h2.mode

Class FunctionsMSSQLServer

java.lang.Object

org.h2.expression.Expression

org.h2.expression.OperationN

org.h2.expression.function.FunctionN

org.h2.mode.ModeFunction

org.h2.mode.FunctionsMSSQLServer

All Implemented Interfaces:

ExpressionWithVariableParameters, NamedExpression, HasSQL, Typed

public final class FunctionsMSSQLServer
extends ModeFunction

Functions for Mode.ModeEnum.MSSQLServer compatibility mode.

Field Summary

Fields

Modifier and Type	Field	Description
private static int	CHARINDEX
private static java.util.HashMap<java.lang.String,FunctionInfo>	FUNCTIONS
private static int	GETDATE
private static int	ISNULL
private static int	LEN
private static int	NEWID
private static int	SCOPE_IDENTITY
private static TypeInfo	SCOPE_IDENTITY_TYPE

Fields inherited from class org.h2.mode.ModeFunction

info, VAR_ARGS

Fields inherited from class org.h2.expression.OperationN

args, argsCount, type

Fields inherited from class org.h2.expression.Expression

AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES

Fields inherited from interface org.h2.util.HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Modifier	Constructor	Description
private	FunctionsMSSQLServer(FunctionInfo info)

Method Summary

Modifier and Type	Method	Description
protected void	checkParameterCount(int len)	Check if the parameter count is correct.
static FunctionsMSSQLServer	getFunction(java.lang.String upperName)	Returns mode-specific function for a given name, or null.
Value	getValue(SessionLocal session)	Return the resulting value for the current row.
Expression	optimize(SessionLocal session)	Try to optimize the expression.

Methods inherited from class org.h2.mode.ModeFunction

doneWithParameters, getArgumentsValues, getFunction, getName, getNullOrValue, isEverything, optimizeArguments

Methods inherited from class org.h2.expression.function.FunctionN

getUnenclosedSQL, getValue

Methods inherited from class org.h2.expression.OperationN

addParameter, getCost, getSubexpression, getSubexpressionCount, getType, mapColumns, optimizeArguments, setEvaluatable, updateAggregate

Methods inherited from class org.h2.expression.Expression

addFilterConditions, createIndexConditions, getAlias, getBooleanValue, getColumnName, getColumnNameForView, getEnclosedSQL, getNonAliasExpression, getNotIfPossible, getNullable, getSchemaName, getSQL, getSQL, getSQL, getSQL, getTableAlias, getTableName, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimizeCondition, toString, writeExpressions, writeExpressions

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.h2.util.HasSQL

getTraceSQL

Field Detail

FUNCTIONS

private static final java.util.HashMap<java.lang.String,FunctionInfo> FUNCTIONS

CHARINDEX

private static final int CHARINDEX

See Also:

Constant Field Values

GETDATE

private static final int GETDATE

See Also:

Constant Field Values

ISNULL

private static final int ISNULL

See Also:

Constant Field Values

LEN

private static final int LEN

See Also:

Constant Field Values

NEWID

private static final int NEWID

See Also:

Constant Field Values

SCOPE_IDENTITY

private static final int SCOPE_IDENTITY

See Also:

Constant Field Values

SCOPE_IDENTITY_TYPE

private static final TypeInfo SCOPE_IDENTITY_TYPE

Constructor Detail

FunctionsMSSQLServer

private FunctionsMSSQLServer(FunctionInfo info)

Method Detail

getFunction

public static FunctionsMSSQLServer getFunction(java.lang.String upperName)

Returns mode-specific function for a given name, or null.

Parameters:

upperName - the upper-case name of a function

Returns:

the function with specified name or null

checkParameterCount

protected void checkParameterCount(int len)

Description copied from class: ModeFunction

Check if the parameter count is correct.

Overrides:

checkParameterCount in class ModeFunction

Parameters:

len - the number of parameters set

getValue

public Value getValue(SessionLocal session)

Description copied from class: Expression

Return the resulting value for the current row.

Overrides:

getValue in class FunctionN

Parameters:

session - the session

Returns:

the result

optimize

public Expression optimize(SessionLocal session)

Description copied from class: Expression

Try to optimize the expression.

Specified by:

optimize in class Expression

Parameters:

session - the session

Returns:

the optimized expression