Repeating query parameters in low code connector

Connector Development
1

I am working on a low code connector that I started developing with the builder UI and then refactored manually.

My problem is when using incremental sync, the query parameters are not updated but only added and resulting in massive ammounts of duplicate parameters in the URL. This results in an error message (502 bad gateway) from the API web server. This error occurs after 15000 records received.

Running version 0.44.6.

Here is the error message (scroll to the right)

2023-06-05 12:51:43 INFO i.a.w.g.ReplicationWorkerHelper(processMessageFromSource):226 - Records read: 15000 (21 MB)
2023-06-05 12:53:13 source > Backing off _send(...) for 0.0s (airbyte_cdk.sources.streams.http.exceptions.UserDefinedBackoffException: Request URL: 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te=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&modified__gte=2019-01-01T00%3A00%3A00%2B0000&page=356&modified__gte=2019-01-01T00%3A00%3A00%2B0000, Response Code: 502, Response Text: <html>
<head><title>502 Bad Gateway</title></head>
<body>
<center><h1>502 Bad Gateway</h1></center>
<hr><center>nginx</center>
</body>
</html>
)
2023-06-05 12:53:13 source > Retrying. Sleeping for 10 seconds

As you can see in the log above the request URL has many identical request parameter.
https://provetcloud.com/xyz/api/0.1/appointment/?modified__gte=2019-01-01...&modified__gte=2019-01-01...&…
My guess is that there is a bug in the code handling incremental sync where it adds the query parameter to the URL for each time it gets a new page.

Here is the connector manifest.yaml

version: 0.38.0

check:
  type: CheckStream
  stream_names:
    - consultations
    - clients

definitions:

  base_stream:
      type: DeclarativeStream
      primary_key:
        - id
      schema_loader:
        type: JsonFileSchemaLoader
        file_path: "./source_provet_cloud/schemas/{{ parameters.name }}.json"
      retriever:
        type: SimpleRetriever
        requester:
          type: HttpRequester
          url_base: "https://provetcloud.com/{{ config['clinic_id'] }}/api/0.1/"
          path: '{{ parameters.path }}'
          http_method: GET
          request_parameters: {}
          request_headers: {}
          request_body_json: {}
          authenticator:
            type: ApiKeyAuthenticator
            header: Authorization
            api_token: 'Token {{ config["api_key"] }}'
        record_selector:
          type: RecordSelector
          extractor:
            type: DpathExtractor
            field_path:
                - results
        paginator:
          type: DefaultPaginator
          page_token_option:
            type: RequestPath
          pagination_strategy:
            type: CursorPagination
            page_size: 50
            cursor_value: '{{ response.get("next", {}) }}'
            stop_condition: '{{ not response.get("next", {}) }}'

  base_incremental_sync:
    type: DatetimeBasedCursor
    step: P1M
    cursor_field: modified
    datetime_format: '%Y-%m-%dT%H:%M:%S%z'
    lookback_window: PT1H
    start_time_option:
      type: RequestOption
      field_name: modified__gte
      inject_into: request_parameter
    cursor_granularity: PT1H
    start_datetime:
      type: MinMaxDatetime
      datetime: '{{ config[''start_date''] }}'
      datetime_format: '%Y-%m-%dT%H:%M:%SZ'
    end_datetime:
      type: MinMaxDatetime
      datetime: '{{ now_utc().strftime(''%Y-%m-%dT%H:%M:%SZ'') }}'
      datetime_format: '%Y-%m-%dT%H:%M:%SZ'

  consultation_incremental_sync:
    type: DatetimeBasedCursor
    step: P1M
    cursor_field: admitted_time
    datetime_format: '%Y-%m-%dT%H:%M:%S%z'
    lookback_window: PT1H
    start_time_option:
      type: RequestOption
      field_name: admitted_time__gte
      inject_into: request_parameter
    cursor_granularity: PT1H
    start_datetime:
      type: MinMaxDatetime
      datetime: '{{ config[''start_date''] }}'
      datetime_format: '%Y-%m-%dT%H:%M:%SZ'
    end_datetime:
      type: MinMaxDatetime
      datetime: '{{ now_utc().strftime(''%Y-%m-%dT%H:%M:%SZ'') }}'
      datetime_format: '%Y-%m-%dT%H:%M:%SZ'

streams:
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "consultations"
      path: "/consultation"
    incremental_sync:
      $ref: "#/definitions/consultation_incremental_sync"

  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "clients"
      path: "/client"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "appointments"
      path: "/appointment"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "patients"
      path: "/patient"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "users"
      path: "/user"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "invoice"
      path: "/invoice"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "invoicerow"
      path: "/invoicerow"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
  
  - $ref: "#/definitions/base_stream"
    $parameters:
      name: "invoice_payment"
      path: "/invoice_payment"
    incremental_sync:
      $ref: "#/definitions/base_incremental_sync"
    

spec:
  connection_specification:
    $schema: http://json-schema.org/draft-07/schema#
    type: object
    required:
      - clinic_id
      - api_key
      - start_date
    properties:
      clinic_id:
        type: string
        title: Clinic ID
      api_key:
        type: string
        title: API Key
        airbyte_secret: true
      start_date:
        type: string
        title: Start date
        format: date-time
        pattern: ^[0-9]{4}-[0-9]{2}-[0-9]{2}T[0-9]{2}:[0-9]{2}:[0-9]{2}Z$
    additionalProperties: true
  documentation_url: https://example.org
  type: Spec

Right now Im unable to run incremental sync on any stream that has more elements than 15000.

I have posted an issue on git: Repeating query parameters in low code connector · Issue #27010 · airbytehq/airbyte · GitHub

Is there anybody else having this issue?

Thanks