как сделать правильную индексацию при присоединении к кушетке? - PullRequest
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как сделать правильную индексацию при присоединении к кушетке?

2 голосов
/ 04 августа 2020

У меня есть один документ couchbase в формате, показанном ниже, типа «организация» в контактной корзине. 

"contact": {
  "extendedData": [],
  "id": "organization_2_1094",
  "organizationId": 1094,
  "organizationName": "SMART COMSSS",
  "organizationRoles": [
    {
      "addressAssociations": [
        {
          "activeDate": "2019-08-08T03:51:51.417Z",
          "addressAssocTypeId": -2,
          "addressId": 749,
          "ownershipStatus": 1,
          "srvAddressStatus": 1
        }
      ],
      "extendedData": [
        {
          "characteristicId": "1",
          "characteristicValue": "Plant_Id",
          "extendedDataId": "400"
        },
        {
          "characteristicId": "2",
          "characteristicValue": "Plant_Type",
          "extendedDataId": "401"
        }
      ],
      "name": "Store1",
      "organizationRoleId": 928,
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "changed",
      "organizationRoleId": 929,
      "roleSpecId": -104,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "addressAssociations": [
        {
          "activeDate": "2019-08-08T23:06:49.748Z",
          "addressAssocTypeId": -2,
          "addressId": 752,
          "ownershipStatus": 1,
          "srvAddressStatus": 1
        }
      ],
      "extendedData": [
        {
          "characteristicId": "1",
          "characteristicValue": "Plant_Id",
          "extendedDataId": "402"
        },
        {
          "characteristicId": "2",
          "characteristicValue": "Plant_Type",
          "extendedDataId": "403"
        }
      ],
      "name": "store11",
      "organizationRoleId": 930,
      "partyRoleAssocs": [
        {
          "partyRoleAssocId": "531"
        }
      ],
      "relevantEntityId": "S_103",
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "new store group",
      "organizationRoleId": 931,
      "partyRoleAssocs": [
        {
          "partyRoleAssocId": "532"
        }
      ],
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "child store",
      "organizationRoleId": 932,
      "partyRoleAssocs": [
        {
          "partyRoleAssocId": "533"
        }
      ],
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "MCOTEST",
      "organizationRoleId": 933,
      "roleSpecId": -104,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "new store child",
      "organizationRoleId": 934,
      "partyRoleAssocs": [
        {
          "partyRoleAssocId": "534"
        }
      ],
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "name": "new store child",
      "organizationRoleId": 935,
      "partyRoleAssocs": [
        {
          "partyRoleAssocId": "535"
        },
        {
          "partyRoleAssocId": "565",
          "toRoleId": 936
        }
      ],
      "roleSpecId": -103,
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    },
    {
      "organizationRoleId": 936,
      "partyRoleAssocs": [
        {
          "toRoleId": 935
        }
      ],
      "statusId": 1,
      "statusLastChangedDate": "2019-08-22T12:27:51.077Z"
    }
  ],
  "statusId": 1,
  "statusLastChangedDate": "2019-08-22T09:27:51.072Z",
  "tenantId": "2",
  "type": "organization"
  }

и другой документ couchbase типа «адрес» в корзине контактов 

 {
"contact": {
  "address1": "stret",
  "addressId": "1000",
  "city": "miryalguda",
  "countryCode": 4,
  "id": "address_2_1000",
  "state": "ap",
  "tenantId": "2",
  "type": "address",
  "zip": "500070"
       }
}

Теперь я сделал запрос, чтобы получить некоторые данные из документа организации и некоторые данные из адресного документа, присоединив документы по addressId в соответствии с моими требованиями. Ниже приведен запрос: 

SELECT orgrole.name, orgrole.organizationRoleId,orgrole.externalIds as externalIds,orgrole.roleSpecId,a.city as city, a.zip as zip,{a.addressId,a.address1,a.address2,a.address3,a.country,a.city, a.zip,a.state,a.postalCode,a.houseNumber,a.streetName,a.fxGeocode,a.isActive} as address FROM `optima_contact` AS contact UNNEST contact.organizationRoles AS orgrole UNNEST orgrole.addressAssociations AS aa JOIN `optima_contact` AS a ON aa.addressId = TO_NUMBER(a.addressId)
WHERE  contact.type = "organization" AND a.type = "address"

, и я сделал один индекс для правой стороны соединения. 

 CREATE INDEX `ix2` ON `optima_contact`(`addressId`,`address1`,`address2`,`address3`,`country`,`city`,`zip`,`state`,`postalCode`,`houseNumber`,`streetName`,`fxGeocode`,`isActive`) WHERE (`type` = "address")

Есть ли способ еще улучшить время выполнения запроса для этого? Поскольку количество документов для типа организации равно 10, а для типа «адрес» более 70000, у меня время ожидания при выполнении запроса

1 Ответ

4 голосов
/ 04 августа 2020

https://blog.couchbase.com/ansi-join-support-n1ql/

Опции: 

Change query to ON TO_STRING(aa.addressId) = a.addressId
Or change index to CREATE INDEX `ix3` ON `optima_contact`(TO_NUMBER(`addressId`), `addressId`,`address1`,`address2`,`address3`,`country`,`city`,`zip`,`state`,`postalCode`,`houseNumber`,`streetName`,`fxGeocode`,`isActive`) WHERE (`type` = "address")
Use Hash JOIN in EE. 
Change the JOIN order
Try one of the following

Сначала нужно решить вашу проблему. Предложение ON точно совпадает с ключом индекса RHS, оно будет sh значение, в противном случае ему нужно будет получить все ключи индекса и применить предикат на стороне запроса.

CB 6.5.0 

WITH contact AS (SELECT orgrole.name, orgrole.organizationRoleId,
                        orgrole.externalIds AS externalIds, orgrole.roleSpecId,
                        aa.addressId
                 FROM optima_contact AS c
                 UNNEST c.organizationRoles AS orgrole
                 UNNEST orgrole.addressAssociations AS aa WHERE c.type = "organization")
SELECT {a.addressId,a.address1,a.address2,a.address3,a.country,a.city,
        a.zip,a.state,a.postalCode,a.houseNumber,a.streetName,a.fxGeocode,a.isActive} AS address,
        c1.name, c1.organizationRoleId,
        c1.externalIds, c1.roleSpecId, a.city AS city, a.zip AS zip
FROM optima_contact AS a
UNNEST contact AS c1
WHERE a.type = "address" AND TO_NUMBER(a.addressId) = c1.addressId;

PRE 6.5 

SELECT {a.addressId,a.address1,a.address2,a.address3,a.country,a.city,
        a.zip,a.state,a.postalCode,a.houseNumber,a.streetName,a.fxGeocode,a.isActive} AS address,
        c1.name, c1.organizationRoleId,
        c1.externalIds, c1.roleSpecId, a.city AS city, a.zip AS zip
FROM optima_contact AS a
UNNEST (SELECT orgrole.name, orgrole.organizationRoleId,
                        orgrole.externalIds AS externalIds, orgrole.roleSpecId,
                        aa.addressId
                 FROM optima_contact AS c
                 UNNEST c.organizationRoles AS orgrole
                 UNNEST orgrole.addressAssociations AS aa WHERE c.type = "organization") AS c1
WHERE a.type = "address" AND TO_NUMBER(a.addressId) = c1.addressId;

OR 

SELECT a AS address, c1.name, c1.organizationRoleId, c1.externalIds, c1.roleSpecId
FROM optima_contact AS a
UNNEST (SELECT orgrole.name, orgrole.organizationRoleId,
                        orgrole.externalIds AS externalIds, orgrole.roleSpecId,
                        orgrole.addressAssociations[*].addressId AS addresses
                 FROM optima_contact AS c
                 UNNEST c.organizationRoles AS orgrole
                 WHERE c.type = "organization") AS c1
WHERE a.type = "address" AND TO_NUMBER(a.addressId) IN c1.addresses;
...