AWS.signed_post

AWS.signed_posturibodymethodheadersresponse_formatcredentialsregion_service

Aliases: http post, upload

Documentation

Writes the provided data to the provided AWS URI signing the request with the necessary headers. Returns the response, parsing the body if the content-type is recognised. Returns an error if the status code does not represent a successful response.

Arguments

• uri: The URI to fetch.
• body: The data to write. See Supported Body Types below.
• method: The HTTP method to use. Must be one of HTTP_Method.Post, HTTP_Method.Put, HTTP_Method.Patch. Defaults to HTTP_Method.Post.
• headers: The headers to send with the request. Defaults to an empty vector.
• response_format: The format to use for interpreting the response. Defaults to Auto_Detect. If Raw_Response is selected or if the format cannot be determined automatically, a raw HTTP Response will be returned.
• credentials: The credentials to use for signing the request. Defaults to the default AWS credentials.
• region_service: The region and service to use for signing the request. Defaults to the region and service parsed from the URI.

Returns

• A new table with the group_by columns as well as any aggregate columns.

Examples

Count all the rows

      table = Table.from_rows ["Name","Location"] [["John", "Massachusetts"],["Paul","London"]]
      grouped = table.aggregate columns=[Aggregate_Column.Count]

Returns a Table

Count
2

Group by the Key column, count the rows

      table = Table.from_rows ["Name","Location"] [["John", "Massachusetts"],["Paul","London"]]
      grouped = table.aggregate ["Name"] [Aggregate_Column.Count]

Returns a Table

Name	Count
John	1
Paul	1