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