RQLとは

, REST-. . «books», . , . - . , .. . Resource Query Language.



Resource Query Language (RQL) — , URI - . RQL , .., , , . , eq(author,)



URL: author=



.



RQL , , , . , , URL .

RQL

RQL , .

. MongoDB.



:

[
{ title: " ", year: 1993, series: " " },
{ title: " ", year: 1993, series: " " },
{ title: " ", year: 1995, series: " " },
{ title: "  ", year: 1995, series: " " }
]
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

« ». MongoDB :

db.users.find({series: " "})
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

RQL :

eq(series, " ")
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

series=" "
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

.



: « » 1995 .



MongoDB:

db.users.find({series: " ", year: 1995})
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

RQL:

eq(series, " "),eq(year, 1995)
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

. . , :

{ title: "  ", year: 1995, series: " ", translations: { language: "English", title: "Godsdoom" } }
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

translations



. , .



MongoDB:

db.users.find({"translations.language": "English"})
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

RQL:

eq(translations.language, "English")
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

. .



MongoDB :

db.users.find().skip(10).limit(10)
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

RQL:

limit(10,10)
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

. .



MongoDB :

db.users.find().sort({title: 1})
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

RQL:

sort(+title) 
      
      

        
        
        
      

    
        
        
        
      
      

        
        
        
      

    
    

:

in (<proprty>,<array-of-values>)	, . : in(name,(Silver,Gold))
out (<proprty>,<array-of-values>)	, . : out(name,(Platinum,Gold))
limit (<strt>,<numbr>)	(number) (start) . : limit(0,2)
sort (<list of properties with + or — prefix>)	( ). , , . : + — , — — . : sort(+memory,-diskspace)
select (<list f attributes>)	, . : select(name,user)
values(<prperty>)	. : values(ve.name)
count()	. : in(name,(Silver,Gold))&count()
max(<prperty?>)	. : max(ve.memory)
min(<prperty?>)	. : min(ve.memory)

.



APS RQL :

like (<prperty>, <pttern>)	(pattern) (property). SQL LIKE, * % . * , -, %2A * , . . , ? , , . : like(firstName,Jo*) like(firstName,*ohn) like(firstName,*oh*) like(firstName,Joh?)

APS :

implementing (<bas-type>)	( ), . : implementing (http://aps-standard.org/samples/user-mgmt/offer/1.0)
composing (<drived-type>)	, (derived type), . : composing(http://aps-standard.org/samples/user-mgmt/offer/1.0)
linkedWith (<rsource ID>)	, , ID . APS- , . , admin/owner/referrer, , «» . : linkedWith(220aa29a-4ff4-460b-963d-f4a3ba093a0a) implementing(http://aps-standard.org/types/core/user/service/1.0), linkedWith(220aa29a-4ff4-460b-963d-f4a3ba093a0a)

. .

and (<qury>,<qury>,...)	& ,	and (limit(0,2),like(name,*L*)) , *L*
or (<qury>,<qury>,...)	| ;	or(like(description,*free*),in(name,(Silver,Gold))) , (description) *free* , , Silver Gold .

APS RQL :

not (<qury>)	not(like(name,*free*)) , , — RQL *free* .

1. and
   
   
   
   RQL- . , http://hosting.com?and(arg1,arg2,arg3)



http://hosting.com?arg1,arg2,arg3
   
   
   
   .
2. and , or. , . , implementing(<typ>),(prop1=eq=1|prop2=ge=2)
   
   
   
   .

.

eq (<proprty>,<valu>)	=eq=	eq(aps.status,aps:ready) aps.status=eq=aps:ready , aps.status aps:ready .
ne (<proprty>,<valu>)	=ne=	ne(aps.status,aps:ready) aps.status=ne=aps:ready , aps.status aps:ready .
gt (<proprty>,<valu>)	=gt=	implementing(http://aps-standard.org/samples/user-mgmt/offer),hardware.memory=gt=1024) (offers), hardware.memory 1024.
ge (<proprty>,<valu>)	=ge=	implementing(http://aps-standard.org/samples/user-mgmt/offer),hardware.memory=ge=1024) (offers), hardware.memory 1024.
lt (<proprty>,<valu>)	=lt=	implementing(http://aps-standard.org/samples/user-mgmt/offer),hardware.CPU.number=lt=16) (offers), hardware.CPU.number 16.
le (<proprty>,<valu>)	=le=	implementing(http://aps-standard.org/samples/user-mgmt/offer),hardware.CPU.number=le=16) (offers), hardware.CPU.number 16.

.

:

• ( URL-)
• ( ISO UTC )
• - (Value functions)

- — , null



, true



, false



. .

-
null()		, null	name=eq=null()
true() false()		, true false	disabled=eq=false()
empty()		, ( null , )	addressPostal.extendedAddress=eq=empty()

RQL .



JavaScript , RQL- .



RQL JavaScript npmjs: https://www.npmjs.com/package/rql



npm: https://www.npmjs.com/package/aps-rql