Package org.datanucleus.store.rdbms.sql.method

Class SQLFunctionMethod

java.lang.Object

org.datanucleus.store.rdbms.sql.method.SQLFunctionMethod

All Implemented Interfaces:

SQLMethod

public class SQLFunctionMethod
extends Object
implements SQLMethod

Method to allow inclusion of any SQL function invocation. The original expression will be of the form

SQL_function("some sql", arg0[, arg1, ...])

which is compiled into

InvokeExpression{STATIC.SQL_function(Literal{some sql}, ...)

Constructor Summary

Constructors

Constructor	Description
SQLFunctionMethod()

Method Summary

Modifier and Type	Method	Description
SQLExpression	getExpression(SQLStatement stmt, SQLExpression ignore, List args)	Return the expression for this SQL function.

Methods inherited from class java.lang.Object

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

Constructor Detail

SQLFunctionMethod

public SQLFunctionMethod()

Method Detail

getExpression

public SQLExpression getExpression(SQLStatement stmt,
                                   SQLExpression ignore,
                                   List 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

ignore - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function