com.dynamic.sql.core.column.function.scalar.number

Class Truncate

java.lang.Object

com.dynamic.sql.core.column.function.AbstractColumFunction

com.dynamic.sql.core.column.function.ColumnFunctionDecorator

com.dynamic.sql.core.column.function.scalar.number.Truncate

All Implemented Interfaces:

ColumnArithmetic, ColumFunction, NumberFunction, ScalarFunction, Serializable

public class Truncate
extends ColumnFunctionDecorator
implements NumberFunction

截断数字到指定小数位，不进行四舍五入。

See Also:

Serialized Form

Field Summary

Fields inherited from class com.dynamic.sql.core.column.function.ColumnFunctionDecorator

parameterBinder, value

Fields inherited from class com.dynamic.sql.core.column.function.AbstractColumFunction

aliasTableMap, dataSourceName, delegateFunction, sqlDialect, version

Constructor Summary

Constructors

Constructor and Description
Truncate(AbstractColumFunction delegateFunction, int scale)
Truncate(FieldFn<T,F> fn, int scale)

Method Summary

Modifier and Type	Method and Description
String	getFunctionToString(SqlDialect sqlDialect, Version version)

Methods inherited from class com.dynamic.sql.core.column.function.ColumnFunctionDecorator

appendArithmeticSql, getOriginColumnFn, getParameterBinder, getTableAlias

Methods inherited from class com.dynamic.sql.core.column.function.AbstractColumFunction

add, add, add, add, divide, divide, divide, divide, getAliasTableMap, getArithmetic, getDataSourceName, getDelegateFunction, multiply, multiply, multiply, multiply, setAliasTableMap, setArithmetic, setDataSourceName, setSqlDialect, setVersion, subtract, subtract, subtract, subtract

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.dynamic.sql.core.column.function.ColumFunction

getOriginColumnFn, getParameterBinder, getTableAlias, setTableAlias

Constructor Detail

Truncate

public Truncate(AbstractColumFunction delegateFunction,
                int scale)

Truncate

public Truncate(FieldFn<T,F> fn,
                int scale)

Method Detail

getFunctionToString

public String getFunctionToString(SqlDialect sqlDialect,
                                  Version version)
                           throws UnsupportedOperationException

Specified by:

getFunctionToString in interface ColumFunction

Throws:

UnsupportedOperationException