org.datanucleus.store.rdbms.sql.method

Class SQLFunctionMethod

java.lang.Object

org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

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

All Implemented Interfaces:

SQLMethod

public class SQLFunctionMethod
extends AbstractSQLMethod

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}, ...)

Field Summary

Fields inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

clr, exprFactory, stmt

Constructor Summary

Constructors

Constructor and Description
SQLFunctionMethod()

Method Summary

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

Methods inherited from class org.datanucleus.store.rdbms.sql.method.AbstractSQLMethod

getMappingForClass, setStatement

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(SQLExpression ignore,
                                   List args)

Description copied from interface: SQLMethod

Return the expression for this SQL function.

Parameters:

ignore - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function