Bug 124444 Preview attached file in pdf will display nothing.
Description: Preview attached file in pdf will display nothing. Steps to reproduce: 1. Preview attached design file in pdf Expected result: Report content shows Actual result: Wait for 10 minutes but nothing showed at all
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/executor/QueryItemExecutor.java
protected void openResultSet( ReportItemDesign item )
	{
		rset = null;
		if ( item.getQuery( ) != null )
		{
			rset = context.getDataEngine( ).execute( item.getQuery( ) );
			if ( rset != null )
			{
				rsetEmpty = !rset.next( );
			}
		}
	}
	protected void accessQuery( ReportItemDesign design, IContentEmitter emitter )
	{
	}
	public DataID getDataID( )
	{
		if ( rset != null )
		{
			return new DataID( rset.getID( ), rset.getCurrentPosition( ) );
		}
		return null;
	}
	public void reset( )
	{
		rset = null;
		super.reset( );
	}
}