Package org.h2.expression.function
Class DayMonthNameFunction
- java.lang.Object
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- org.h2.expression.Expression
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- org.h2.expression.Operation1
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- org.h2.expression.function.Function1
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- org.h2.expression.function.DayMonthNameFunction
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- All Implemented Interfaces:
NamedExpression,HasSQL,Typed
public final class DayMonthNameFunction extends Function1
A DAYNAME() or MONTHNAME() function.
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Field Summary
Fields Modifier and Type Field Description static intDAYNAMEDAYNAME() (non-standard).static intMONTHNAMEMONTHNAME() (non-standard).-
Fields inherited from class org.h2.expression.Operation1
arg, 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 Constructor Description DayMonthNameFunction(Expression arg, int function)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.StringgetName()Get the name.ValuegetValue(SessionLocal session)Return the resulting value for the current row.Expressionoptimize(SessionLocal session)Try to optimize the expression.-
Methods inherited from class org.h2.expression.function.Function1
getUnenclosedSQL
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Methods inherited from class org.h2.expression.Operation1
getCost, getSubexpression, getSubexpressionCount, getType, isEverything, mapColumns, 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, getTypeIfStaticallyKnown, 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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DAYNAME
public static final int DAYNAME
DAYNAME() (non-standard).- See Also:
- Constant Field Values
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MONTHNAME
public static final int MONTHNAME
MONTHNAME() (non-standard).- See Also:
- Constant Field Values
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Constructor Detail
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DayMonthNameFunction
public DayMonthNameFunction(Expression arg, int function)
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Method Detail
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getValue
public Value getValue(SessionLocal session)
Description copied from class:ExpressionReturn the resulting value for the current row.- Specified by:
getValuein classExpression- Parameters:
session- the session- Returns:
- the result
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optimize
public Expression optimize(SessionLocal session)
Description copied from class:ExpressionTry to optimize the expression.- Specified by:
optimizein classExpression- Parameters:
session- the session- Returns:
- the optimized expression
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getName
public java.lang.String getName()
Description copied from interface:NamedExpressionGet the name.- Returns:
- the name in uppercase
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