Package org.h2.mode
Class FunctionsMSSQLServer
- java.lang.Object
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- org.h2.expression.Expression
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- org.h2.expression.OperationN
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- org.h2.expression.function.FunctionN
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- org.h2.mode.ModeFunction
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- org.h2.mode.FunctionsMSSQLServer
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- All Implemented Interfaces:
ExpressionWithVariableParameters
,NamedExpression
,HasSQL
,Typed
public final class FunctionsMSSQLServer extends ModeFunction
Functions forMode.ModeEnum.MSSQLServer
compatibility mode.
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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
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Fields inherited from class org.h2.mode.ModeFunction
info, VAR_ARGS
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Fields inherited from class org.h2.expression.OperationN
args, argsCount, type
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Fields inherited from class org.h2.expression.Expression
AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES
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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
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Constructor Summary
Constructors Modifier Constructor Description private
FunctionsMSSQLServer(FunctionInfo info)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods 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, ornull
.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
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Methods inherited from class org.h2.expression.function.FunctionN
getUnenclosedSQL, getValue
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Methods inherited from class org.h2.expression.OperationN
addParameter, getCost, getSubexpression, getSubexpressionCount, getType, mapColumns, optimizeArguments, setEvaluatable, updateAggregate
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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
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.h2.util.HasSQL
getTraceSQL
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Field Detail
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FUNCTIONS
private static final java.util.HashMap<java.lang.String,FunctionInfo> FUNCTIONS
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CHARINDEX
private static final int CHARINDEX
- See Also:
- Constant Field Values
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GETDATE
private static final int GETDATE
- See Also:
- Constant Field Values
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ISNULL
private static final int ISNULL
- See Also:
- Constant Field Values
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LEN
private static final int LEN
- See Also:
- Constant Field Values
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NEWID
private static final int NEWID
- See Also:
- Constant Field Values
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SCOPE_IDENTITY
private static final int SCOPE_IDENTITY
- See Also:
- Constant Field Values
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SCOPE_IDENTITY_TYPE
private static final TypeInfo SCOPE_IDENTITY_TYPE
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Constructor Detail
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FunctionsMSSQLServer
private FunctionsMSSQLServer(FunctionInfo info)
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Method Detail
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getFunction
public static FunctionsMSSQLServer getFunction(java.lang.String upperName)
Returns mode-specific function for a given name, ornull
.- Parameters:
upperName
- the upper-case name of a function- Returns:
- the function with specified name or
null
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checkParameterCount
protected void checkParameterCount(int len)
Description copied from class:ModeFunction
Check if the parameter count is correct.- Overrides:
checkParameterCount
in classModeFunction
- Parameters:
len
- the number of parameters set
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getValue
public Value getValue(SessionLocal session)
Description copied from class:Expression
Return the resulting value for the current row.
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optimize
public Expression optimize(SessionLocal session)
Description copied from class:Expression
Try to optimize the expression.- Specified by:
optimize
in classExpression
- Parameters:
session
- the session- Returns:
- the optimized expression
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