Bug 210620 UNION does not work correctly in Mysql [0703]
data/org.eclipse.birt.data/src/org/eclipse/birt/data/engine/impl/ParameterUtil.java
paramHints[i].setDefaultInputValue( paramValueStr );
					bindingResolved[i] = true;
				}
			}
		}
		
		Context cx = null;
		if ( evaluateValue )
			cx = Context.enter( );
		try
		{
			
			
			
			
			
			resolveParameterBindings( this.queryDefn.getInputParamBindings( ),
					paramHints,
					bindingResolved,
					cx );
			resolveParameterBindings( this.dsRT.getInputParamBindings( ),
					paramHints,
					bindingResolved,
					cx );
		}
		finally
		{
			if ( cx != null )
				Context.exit( );
		}