org.datanucleus.store.rdbms.sql.method

Class SQLBooleanMethod

java.lang.Object

org.datanucleus.store.rdbms.sql.method.SQLBooleanMethod

All Implemented Interfaces:

SQLMethod

public class SQLBooleanMethod
extends Object
implements SQLMethod

Method to allow inclusion of any SQL code that returns a boolean. The original expression will be of the form

SQL_boolean("some sql")

which is compiled into

InvokeExpression{STATIC.SQL_boolean(Literal{some sql})

Constructor Summary

Constructors

Constructor and Description
SQLBooleanMethod()

Method Summary

Modifier and Type	Method and Description
SQLExpression	getExpression(SQLStatement stmt, SQLExpression ignore, List<SQLExpression> 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

SQLBooleanMethod

public SQLBooleanMethod()

Method Detail

getExpression

public SQLExpression getExpression(SQLStatement stmt,
                                   SQLExpression ignore,
                                   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

ignore - The expression that it is invoked on

args - Arguments passed in

Returns:

The SQL expression using the SQL function