Chilkat Online Tools

SQL Server / Salesforce Platform APIs / List event channels

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-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @http int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Http', @http OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    DECLARE @success int

    DECLARE @queryParams int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @queryParams OUT

    EXEC sp_OAMethod @queryParams, 'UpdateString', @success OUT, 'q', 'SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel'

    -- Adds the "Authorization: Bearer <access_token>" header.
    EXEC sp_OASetProperty @http, 'AuthToken', '<access_token>'

    DECLARE @resp int
    EXEC sp_OAMethod @http, 'QuickRequestParams', @resp OUT, 'GET', 'https://domain.com/services/data/v{{version}}/tooling/query/', @queryParams
    EXEC sp_OAGetProperty @http, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 = 0
      BEGIN
        EXEC sp_OAGetProperty @http, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @queryParams
        RETURN
      END

    DECLARE @sbResponseBody int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.StringBuilder', @sbResponseBody OUT

    EXEC sp_OAMethod @resp, 'GetBodySb', @success OUT, @sbResponseBody

    DECLARE @jResp int
    EXEC @hr = sp_OACreate 'Chilkat_9_5_0.JsonObject', @jResp OUT

    EXEC sp_OAMethod @jResp, 'LoadSb', @success OUT, @sbResponseBody
    EXEC sp_OASetProperty @jResp, 'EmitCompact', 0


    PRINT 'Response Body:'
    EXEC sp_OAMethod @jResp, 'Emit', @sTmp0 OUT
    PRINT @sTmp0

    DECLARE @respStatusCode int
    EXEC sp_OAGetProperty @resp, 'StatusCode', @respStatusCode OUT

    PRINT 'Response Status Code = ' + @respStatusCode
    IF @respStatusCode >= 400
      BEGIN

        PRINT 'Response Header:'
        EXEC sp_OAGetProperty @resp, 'Header', @sTmp0 OUT
        PRINT @sTmp0

        PRINT 'Failed.'
        EXEC @hr = sp_OADestroy @resp

        EXEC @hr = sp_OADestroy @http
        EXEC @hr = sp_OADestroy @queryParams
        EXEC @hr = sp_OADestroy @sbResponseBody
        EXEC @hr = sp_OADestroy @jResp
        RETURN
      END
    EXEC @hr = sp_OADestroy @resp

    -- Sample JSON response:
    -- (Sample code for parsing the JSON response is shown below)

    -- {
    --   "size": 2,
    --   "totalSize": 2,
    --   "done": true,
    --   "queryLocator": null,
    --   "entityTypeName": "PlatformEventChannel",
    --   "records": [
    --     {
    --       "attributes": {
    --         "type": "PlatformEventChannel",
    --         "url": "/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C93WAE"
    --       },
    --       "Id": "0YL4H0000004C93WAE",
    --       "DeveloperName": "HREvents",
    --       "MasterLabel": "Custom Channel for the HR App",
    --       "ChannelType": "data"
    --     },
    --     {
    --       "attributes": {
    --         "type": "PlatformEventChannel",
    --         "url": "/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C98WAE"
    --       },
    --       "Id": "0YL4H0000004C98WAE",
    --       "DeveloperName": "AdvocateEvents",
    --       "MasterLabel": "Custom Channel for the HR App",
    --       "ChannelType": "data"
    --     }
    --   ]
    -- }

    -- Sample code for parsing the JSON response...
    -- Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

    DECLARE @v_Type nvarchar(4000)

    DECLARE @v_Url nvarchar(4000)

    DECLARE @Id nvarchar(4000)

    DECLARE @DeveloperName nvarchar(4000)

    DECLARE @MasterLabel nvarchar(4000)

    DECLARE @ChannelType nvarchar(4000)

    DECLARE @size int
    EXEC sp_OAMethod @jResp, 'IntOf', @size OUT, 'size'
    DECLARE @totalSize int
    EXEC sp_OAMethod @jResp, 'IntOf', @totalSize OUT, 'totalSize'
    DECLARE @done int
    EXEC sp_OAMethod @jResp, 'BoolOf', @done OUT, 'done'
    DECLARE @queryLocator nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @queryLocator OUT, 'queryLocator'
    DECLARE @entityTypeName nvarchar(4000)
    EXEC sp_OAMethod @jResp, 'StringOf', @entityTypeName OUT, 'entityTypeName'
    DECLARE @i int
    SELECT @i = 0
    DECLARE @count_i int
    EXEC sp_OAMethod @jResp, 'SizeOfArray', @count_i OUT, 'records'
    WHILE @i < @count_i
      BEGIN
        EXEC sp_OASetProperty @jResp, 'I', @i
        EXEC sp_OAMethod @jResp, 'StringOf', @v_Type OUT, 'records[i].attributes.type'
        EXEC sp_OAMethod @jResp, 'StringOf', @v_Url OUT, 'records[i].attributes.url'
        EXEC sp_OAMethod @jResp, 'StringOf', @Id OUT, 'records[i].Id'
        EXEC sp_OAMethod @jResp, 'StringOf', @DeveloperName OUT, 'records[i].DeveloperName'
        EXEC sp_OAMethod @jResp, 'StringOf', @MasterLabel OUT, 'records[i].MasterLabel'
        EXEC sp_OAMethod @jResp, 'StringOf', @ChannelType OUT, 'records[i].ChannelType'
        SELECT @i = @i + 1
      END

    EXEC @hr = sp_OADestroy @http
    EXEC @hr = sp_OADestroy @queryParams
    EXEC @hr = sp_OADestroy @sbResponseBody
    EXEC @hr = sp_OADestroy @jResp


END
GO

Curl Command

curl -G -d "q=SELECT%20Id,%20DeveloperName,%20MasterLabel,%20ChannelType%20FROM%20PlatformEventChannel"
	-H "Authorization: Bearer <access_token>"
https://domain.com/services/data/v{{version}}/tooling/query/

Postman Collection Item JSON

{
  "name": "List event channels",
  "request": {
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "{{_endpoint}}/services/data/v{{version}}/tooling/query/?q=SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel",
      "host": [
        "{{_endpoint}}"
      ],
      "path": [
        "services",
        "data",
        "v{{version}}",
        "tooling",
        "query",
        ""
      ],
      "query": [
        {
          "key": "q",
          "value": "SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel"
        }
      ]
    }
  },
  "response": [
    {
      "name": "List event channels",
      "originalRequest": {
        "method": "GET",
        "header": [
        ],
        "url": {
          "raw": "{{_endpoint}}/services/data/v{{version}}/tooling/query/?q=SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel",
          "host": [
            "{{_endpoint}}"
          ],
          "path": [
            "services",
            "data",
            "v{{version}}",
            "tooling",
            "query",
            ""
          ],
          "query": [
            {
              "key": "q",
              "value": "SELECT Id, DeveloperName, MasterLabel, ChannelType FROM PlatformEventChannel"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Mon, 03 Jul 2023 13:15:17 GMT"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=63072000; includeSubDomains"
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Sforce-Limit-Info",
          "value": "api-usage=7/15000"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"size\": 2,\n    \"totalSize\": 2,\n    \"done\": true,\n    \"queryLocator\": null,\n    \"entityTypeName\": \"PlatformEventChannel\",\n    \"records\": [\n        {\n            \"attributes\": {\n                \"type\": \"PlatformEventChannel\",\n                \"url\": \"/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C93WAE\"\n            },\n            \"Id\": \"0YL4H0000004C93WAE\",\n            \"DeveloperName\": \"HREvents\",\n            \"MasterLabel\": \"Custom Channel for the HR App\",\n            \"ChannelType\": \"data\"\n        },\n        {\n            \"attributes\": {\n                \"type\": \"PlatformEventChannel\",\n                \"url\": \"/services/data/v58.0/tooling/sobjects/PlatformEventChannel/0YL4H0000004C98WAE\"\n            },\n            \"Id\": \"0YL4H0000004C98WAE\",\n            \"DeveloperName\": \"AdvocateEvents\",\n            \"MasterLabel\": \"Custom Channel for the HR App\",\n            \"ChannelType\": \"data\"\n        }\n    ]\n}"
    }
  ]
}