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Allows quick and easy connection to the cartodb API.
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 Dependencies

Runtime

<= 0.8.0, >= 0.5.0
>= 1.5.3
>= 1.16
= 0.4.5
<= 0.13.2, >= 0.11.0
>= 0.3.2
>= 0.2.1
= 0.3.3
 Project Readme

IMPORTANT: this library is deprecated and it could stop working at any time.

cartoDB Ruby Client Build Status

cartoDB ruby client that allows an easy and simple interaction with the cartoDB API.

Requirements

The only requirement is an Internet connection and a working version of the Ruby language interpreter. Current ruby versions supported are 1.8.7 and 1.9.2

Setup

  1. Install the client gem:

     gem install cartodb-rb-client
    

    or if you are using bundler, put this line in your Gemfile:

     gem 'cartodb-rb-client'
    
  2. Log into http://cartodb.com, and grab your API_KEY or your OAUTH credentials and put them in a YAML file:

    For the API_KEY:

    cartodb_config.yml:

     host: 'YOUR_CARTODB_DOMAIN'
     api_key: 'YOUR_API_KEY'
    

    For the OAUTH Credentials:

    cartodb_config.yml:

     host: 'YOUR_CARTODB_DOMAIN'
     oauth_key: 'YOUR_OAUTH_KEY'
     oauth_secret: 'YOUR_OAUTH_SECRET'
     oauth_access_token: 'YOUR_OAUTH_ACCES_TOKEN'
     oauth_access_token_secret: 'YOUR_OAUTH_ACCES_TOKEN_SECRET'
    

    We also support xAuth protocol. In order to use it, provide your username and password instead of your access token:

    cartodb_config.yml:

     host: 'YOUR_CARTODB_DOMAIN'
     oauth_key: 'YOUR_OAUTH_KEY'
     oauth_secret: 'YOUR_OAUTH_SECRET'
     username: 'YOUR_CARTODB_USERNAME'
     password: 'YOUR_CARTODB_PASSWORD'
    
  3. Setup your cartoDB connection object:

     CartoDB::Init.start YAML.load_file(Rails.root.join('config/cartodb_config.yml'))
    

And that's it. Now you should be able to run querys against the cartoDB servers using the CartoDB::Connection object.

Note: You have to use strings instead of symbols for the configuration hash keys.

Using the cartoDB API

List of supported methods to interact with cartoDB:

####1. Create table.

Creates a new table in cartoDB. The table's name will be normalized, for example, 'table #1' will become 'table_1'.

Arguments:

  • table_name: table's name.

  • schema_or_file: this parameter can be a list of fields the table will contain, or a File class containing the data the table will contain. It supports all file types supported by cartoDB.

  • the_geom_type: Type of geometry the_geom field will have. Currently we only support 'POINT', but we'll support more types soon.

Example 1:

CartoDB::Connection.create_table 'table #1', [{:name => 'field1', :type => 'text'}], 'POINT'

Results:

{:id => 1,
 :name => "table_1",
 :schema =>
 [["cartodb_id", "number"],
  ["field1", "string"],
  ["updated_at", "date"],
  ["created_at", "date"]]}

Example 2:

CartoDB::Connection.create_table 'whs_sites', File.open("#{File.dirname(__FILE__)}/support/whs_features.csv", 'r')

Results:

{:id=>242,
 :name=>"_20120314_21932_1fx2580whs_features",
 :schema=>
 [["cartodb_id", "number"],
  ["the_geom", "geometry", "geometry", "geometry"],
  ["comments", "string"],
  ["country", "string"],
  ["criteria", "string"],
  ["date_of_inscription", "string"],
  ["description", "string"],
  ["edited_region", "string"],
  ["endangered_reason", "string"],
  ["endangered_year", "string"],
  ["external_links", "string"],
  ["iso_code", "string"],
  ["latitude", "string"],
  ["longitude", "string"],
  ["name", "string"],
  ["region", "string"],
  ["size", "string"],
  ["title", "string"],
  ["type", "string"],
  ["whs_site_id", "string"],
  ["whs_source_page", "string"],
  ["wikipedia_link", "string"],
  ["created_at", "date"],
  ["updated_at", "date"]]}

####2. Add column.

Adds a new column to an existing table.

Arguments:

  • table_name: table's name.
  • column_name: new column's name.
  • column_type: new column's data type. Supported types: string, numeric, date, boolean and geometry.

Example:

CartoDB::Connection.add\_column 'table_1', 'my_column', 'numeric'

Results:

[]

####3. Drop column.

Removes an existing column in the specified table.

Arguments:

  • table_name: table's name which column will be dropped.
  • column_name: name of the column to be dropped.

Example:

CartoDB::Connection.drop\_column 'table_1', 'my_column'

Results:

[]

####4. Change column.

Changes name and data type of an existing column.

Arguments:

  • table_name: table's name which column will be changed.
  • old_column_name: current name of the column to be changed.
  • new_column_name: new name for the column.
  • column_type: new data type of the column.

Example:

CartoDB::Connection.change\_column 'table_1', 'field1', 'myfield', 'boolean'

Results:

[]

####5. List tables.

List all tables in your cartoDB account.

Example:

CartoDB::Connection.tables

Results:

{:total_entries => 1,
 :tables =>
 [{:id => 1,
  :name => "table_1",
  :privacy => "PUBLIC",
  :tags => "",
  :schema =>
  [["cartodb_id", "number"],
   ["the_geom", "geometry", "geometry", "geometry"],
   ["field1", "string"],
   ["created_at", "string"],
   ["updated_at", "string"]],
  :updated_at => Mon, 12 Sep 2011 00:00:00 +0000,
  :rows_counted => 1}]}

####6. Table's detail

Shows information about the specified table.

Arguments:

  • table_name: Name of the table you want to get info.

Example:

CartoDB::Connection.table 'table_1'

Results:

{:id => 1,
 :name => "table_1",
 :privacy => "PRIVATE",
 :tags => "",
 :schema =>
 [["cartodb_id", "number"],
  ["myfield", "boolean"],
  ["updated_at", "date"],
  ["created_at", "date"]]}

####7. Drop table.

Deletes the specified table.

Arguments:

  • table_name: Name of the table to delete.

Example:

CartoDB::Connection.drop_table 'table_1'

Results:

[]

####8. Get single row.

You can get a single row with this method by specifying its cartodb_id.

Arguments:

  • table_name: Name of the table.
  • row_id: Id of the row we want.

Example:

CartoDB::Connection.row 'table_1', 1

Result:

{:id => 1,
 :updated_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :created_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :cartodb_id => 1,
 :field1 => "cartoDB is awesome!"}

####9. Insert row.

Inserts a new row in the specified table.

Arguments:

  • table_name: Name of the table.
  • row: A ruby hash with the name of the columns we want to insert data in, and its values.

Example:

CartoDB::Connection.insert_row 'table_1', :field1 => 'cartoDB is

awesome!'

Results:

{:id => 1,
 :updated_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :created_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :cartodb_id => 1,
 :field1 => "cartoDB is awesome!"}

####10. Update row.

Updates a single row in the specified table.

Arguments:

  • table_name: Name of the table.
  • row_id: Id of the row we want to update.
  • row: A ruby hash containing the column names and values for the update.

Example:

CartoDB::Connection.update_row 'table_1', 1, :field1 => 'cartoDB is

really awesome!'

Result:

{:id => 1,
 :updated_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :created_at => Tue, 13 Sep 2011 00:00:00 +0000,
 :cartodb_id => 1,
 :field1 => "cartoDB is *really* awesome!"}

####11. Delete row.

Deletes a row in the specified table.

Arguments:

  • table_name: Name of the table.
  • row_id: Id of the row we want to delete.

Example:

CartoDB::Connection.delete_row 'table_1', 1

Result:

{:time => 0.008, :total_rows => 0, :rows => []}

####12. Execute a sql query.

Executes an sql query against your database in cartoDB.

Arguments:

  • sql: String containing the query we want to execute.
  • options: A ruby hash containing optional params to run the query. Currently we support pagination using the :page and :rows_per_page parameters in the options argument.

Example:

# At first, lets introduce some dummy data for the test
10.times{ CartoDB::Connection.insert_row 'table_1', :field1 => 'cartoDB is awesome!'}

# And now, the query itself
CartoDB::Connection.query 'SELECT * FROM table_1', :page => 1,

:rows_per_page => 5

Results:

{:time=>0.017,
 :total_rows=>10,
 :rows=>[{:updated_at=>Tue, 13 Sep 2011 00:00:00 +0000,
          :created_at=>Tue, 13 Sep 2011 00:00:00 +0000,
          :cartodb_id=>2,
          :field1=>"cartoDB is awesome!"},
          ...
          ]}

More info

You can also check the oficial cartoDB Documentation if you want more info about the cartoDB API.