Class Function1

java.lang.Object

org.h2.expression.Expression

org.h2.expression.Operation1

org.h2.expression.function.Function1

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.

Field Summary

Fields inherited from class Operation1

arg, type

Fields inherited from class Expression

AUTO_PARENTHESES, MAP_IN_AGGREGATE, MAP_IN_WINDOW, MAP_INITIAL, WITH_PARENTHESES, WITHOUT_PARENTHESES

Fields inherited from interface 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
protected	Function1(Expression arg)

Method Summary

Modifier and Type	Method	Description
StringBuilder	getUnenclosedSQL(StringBuilder builder, int sqlFlags)	Get the SQL statement of this expression.

Methods inherited from class Operation1

getCost, getSubexpression, getSubexpressionCount, getType, isEverything, mapColumns, setEvaluatable, updateAggregate

Methods inherited from class 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

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getTraceSQL

Methods inherited from interface NamedExpression

getName

Constructor Details

Function1

protected Function1(Expression arg)

Method Details

getUnenclosedSQL

public StringBuilder getUnenclosedSQL(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 class Expression

Parameters:

builder - string builder

sqlFlags - formatting flags

Returns:

the specified string builder