org.datanucleus.store.rdbms.sql.method

Class StringTrim3Method

java.lang.Object

org.datanucleus.store.rdbms.sql.method.StringTrim3Method

All Implemented Interfaces:

SQLMethod

Direct Known Subclasses:

StringTrimLeft3Method, StringTrimRight3Method

public class StringTrim3Method
extends Object
implements SQLMethod

Method for evaluating {strExpr1}.trim() or "TRIM(BOTH trimChar FROM strExpr1)". Returns a StrignExpression that equates to

TRIM([[BOTH] [{trim_char}] FROM] strExpr)

Constructor Summary

Constructors

Constructor and Description
StringTrim3Method()

Method Summary

Modifier and Type	Method and Description
SQLExpression	getExpression(SQLStatement stmt, SQLExpression expr, List<SQLExpression> args) Return the expression for this SQL function.
protected String	getTrimSpecKeyword()

Methods inherited from class java.lang.Object

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

Constructor Detail

StringTrim3Method

public StringTrim3Method()

Method Detail

getExpression

public SQLExpression getExpression(SQLStatement stmt,
                                   SQLExpression expr,
                                   List<SQLExpression> args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Specified by:

getExpression in interface SQLMethod

Parameters:

stmt - SQLStatement that this expression is for

expr - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function

getTrimSpecKeyword

protected String getTrimSpecKeyword()