anchor.diff:  						h
   						=
   						0
  -				)
  -			and	
  -				upper
  -				(
  -					c
  -				)
  -				=
  -				'D' 
  -			and	
  -				e
  -				in
  -				(
  -					1
  -					,2
  -					,3
  -				)
  -		or	
  -			g
  +			)
  +		and	
  +			upper(
  +				c
  +			)
   			=
  -			h
  -"
  -,
  +			'D' 
  +		and	
  +			e
  +			in(
  +				1
  +				,2
  +				,3
  +			)
  +	or	
  +		g
  +		=
  +		h
  +",
   "
   select 
   	a
  
positive.code: "
  ,
  "
  select 
  	a
  	,b
  	,c
  from 
  	abc
  	, def
  where
  	eva	
  		eva	a
  				in	(
  					a
  					, b
  					, c
  					)
  		and	c=d 
  		and	e=f
  	or	g between h and i
  "
  ]).
  
  
negative.code: 	a
  	,b
  	,c
  from 
  	abc
  	, def
  where
  	eva	
  		eva	
  			a
  			in(
  				select
  					b
  				from
  