DocumentDB SQL - Dalam Kata Kunci

Kata kunci IN dapat digunakan untuk memeriksa apakah nilai yang ditentukan cocok dengan nilai apa pun dalam daftar. Operator IN memungkinkan Anda untuk menentukan beberapa nilai dalam klausa WHERE. IN setara dengan merangkai beberapa klausa ATAU.

Ketiga dokumen serupa dianggap seperti yang dilakukan pada contoh sebelumnya. Berikut ini adalahAndersenFamily dokumen.

{ 
   "id": "AndersenFamily", 
   "lastName": "Andersen",
	
   "parents": [ 
      { "firstName": "Thomas", "relationship":  "father" }, 
      { "firstName": "Mary Kay", "relationship":  "mother" } 
   ], 
	
   "children": [ 
      { 
         "firstName": "Henriette Thaulow", 
         "gender": "female", 
         "grade": 5, 
         "pets": [ { "givenName": "Fluffy", "type":  "Rabbit" } ] 
      } 
   ], 
	
   "location": { "state": "WA", "county": "King", "city": "Seattle" }, 
   "isRegistered": true 
}

Berikut ini adalah SmithFamily dokumen.

{ 
   "id": "SmithFamily", 
	
   "parents": [ 
      { "familyName": "Smith", "givenName": "James" }, 
      { "familyName": "Curtis", "givenName": "Helen" } 
   ],
	
   "children": [ 
      {
         "givenName": "Michelle", 
         "gender": "female", 
         "grade": 1 
      },
		
      { 
         "givenName": "John", 
         "gender": "male", 
         "grade": 7,
			
         "pets": [ 
            { "givenName": "Tweetie", "type": "Bird" } 
         ] 
      } 
   ],
   
   "location": { 
      "state": "NY", 
      "county": "Queens", 
      "city": "Forest Hills" 
   },
	
   "isRegistered": true 
}

Berikut ini adalah WakefieldFamily dokumen.

{ 
   "id": "WakefieldFamily", 
	
   "parents": [ 
      { "familyName": "Wakefield", "givenName": "Robin" }, 
      { "familyName": "Miller", "givenName": "Ben" } 
   ],
   
   "children": [ 
      { 
         "familyName": "Merriam", 
         "givenName": "Jesse", 
         "gender": "female", 
         "grade": 6, 
			
         "pets": [ 
            { "givenName": "Charlie Brown", "type": "Dog" }, 
            { "givenName": "Tiger", "type": "Cat" },
            { "givenName": "Princess", "type": "Cat" } 
         ] 
      }, 
		
      { 
         "familyName": "Miller", 
         "givenName": "Lisa", 
         "gender": "female", 
         "grade": 3,
			
         "pets": [ 
            { "givenName": "Jake", "type": "Snake" } 
         ] 
      } 
   ],
   
   "location": { "state": "NY", "county": "Manhattan", "city": "NY" }, 
   "isRegistered": false 
}

Mari kita lihat contoh sederhana.

Berikut ini adalah kueri yang akan mengambil data yang familyName-nya adalah “Smith” atau Wakefield.

SELECT * 
FROM Families.parents[0] f 
WHERE f.familyName IN ('Smith', 'Wakefield')

Ketika query di atas dijalankan, itu menghasilkan keluaran sebagai berikut.

[ 
   { 
      "familyName": "Wakefield", 
      "givenName": "Robin" 
   }, 
	
   { 
      "familyName": "Smith", 
      "givenName": "James" 
   } 
]

Mari pertimbangkan contoh sederhana lainnya di mana semua dokumen keluarga akan diambil dengan salah satu id dari "SmithFamily" atau "AndersenFamily". Berikut adalah pertanyaannya.

SELECT * 
FROM Families  
WHERE Families.id IN ('SmithFamily', 'AndersenFamily')

Ketika query di atas dijalankan, itu menghasilkan keluaran sebagai berikut.

[ 
   { 
      "id": "SmithFamily", 
      "parents": [ 
         { 
            "familyName": "Smith", 
            "givenName": "James" 
         }, 
			
         { 
            "familyName": "Curtis", 
            "givenName": "Helen"
         } 
      ], 
	  
      "children": [ 
         { 
            "givenName": "Michelle", 
            "gender": "female", 
            "grade": 1 
         },
			
         { 
            "givenName": "John", 
            "gender": "male", 
            "grade": 7,
				
            "pets": [ 
               { 
                  "givenName": "Tweetie", 
                  "type": "Bird" 
               }  
            ] 
         } 
      ], 
	  
      "location": { 
         "state": "NY", 
         "county": "Queens", 
         "city": "Forest Hills" 
      },
	  
      "isRegistered": true, 
      "_rid": "Ic8LAJFujgEDAAAAAAAAAA==", 
      "_ts": 1450541623, 
      "_self": "dbs/Ic8LAA==/colls/Ic8LAJFujgE=/docs/Ic8LAJFujgEDAAAAAAAAAA==/", 
      "_etag": "\"00000600-0000-0000-0000-567582370000\"", 
      "_attachments": "attachments/" 
   },
	
   { 
      "id": "AndersenFamily", 
      "lastName": "Andersen", 
		
      "parents": [ 
         { 
            "firstName": "Thomas", 
            "relationship": "father"
         },
			
         { 
            "firstName": "Mary Kay", 
            "relationship": "mother" 
         } 
      ],
	  
      "children": [ 
         { 
            "firstName": "Henriette Thaulow", 
            "gender": "female", 
            "grade": 5,
				
            "pets": [ 
               { 
                  "givenName": "Fluffy", 
                  "type": "Rabbit" 
               } 
            ] 
         } 
      ],
	  
      "location": {      
         "state": "WA", 
         "county": "King", 
         "city": "Seattle"    
      },
	  
      "isRegistered": true, 
      "_rid": "Ic8LAJFujgEEAAAAAAAAAA==", 
      "_ts": 1450541624, 
      "_self": "dbs/Ic8LAA==/colls/Ic8LAJFujgE=/docs/Ic8LAJFujgEEAAAAAAAAAA==/", 
      "_etag": "\"00000700-0000-0000-0000-567582380000\"", 
      "_attachments": "attachments/" 
   }
]