Package org.h2.expression.function
Class Function1
- 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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- All Implemented Interfaces:
NamedExpression
,HasSQL
,Typed
- Direct Known Subclasses:
CardinalityExpression
,CastSpecification
,DayMonthNameFunction
,LengthFunction
,MathFunction1
,SessionControlFunction
,StringFunction1
public abstract class Function1 extends Operation1 implements NamedExpression
Function with one argument.
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Field Summary
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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 Modifier Constructor Description protected
Function1(Expression arg)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.StringBuilder
getUnenclosedSQL(java.lang.StringBuilder builder, int sqlFlags)
Get the SQL statement of this expression.-
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, getValue, getWhenSQL, getWhenValue, isConstant, isIdentity, isNullConstant, isValueSet, isWhenConditionOperand, needParentheses, optimize, 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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Methods inherited from interface org.h2.expression.function.NamedExpression
getName
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Constructor Detail
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Function1
protected Function1(Expression arg)
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Method Detail
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getUnenclosedSQL
public java.lang.StringBuilder getUnenclosedSQL(java.lang.StringBuilder builder, int sqlFlags)
Description copied from class:Expression
Get the SQL statement of this expression. This may not always be the original SQL statement, especially after optimization. Enclosing '(' and ')' are never appended.- Specified by:
getUnenclosedSQL
in classExpression
- Parameters:
builder
- string buildersqlFlags
- formatting flags- Returns:
- the specified string builder
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