1.7 KiB
CartoDB importer
CartoDB importer is a Ruby gem that makes your life easier when importing data from a file into a PostGIS database. The accepted formats for input files are:
- CSV
- SHP (in a zip file)
- ODS
- XLX(S)
How to use it?
The way to use this gem is to initialize a object of class Cartodb::Importer using the appropiate parameters.
importer = CartoDB::Importer.new :import_from_file => "path to CSV file", :srid => 4326, :database => "...", :username => "...", :password => "..."
result = importer.import!
If everything works fine, a new table will exist in the given database. A result object is return with some information about the import, such as the number of rows, or the name of the table.
puts result.rows_imported
# > 43243
If any error happens, an exception could be raised.
This is the list with all the available options to use in the constructor:
- import_from_file: a file descriptor, Tempfile or URL with the URL from which import the data
- srid: the value of the SRID
- database: the name of the database where import the data
- username: the owner of the database
- password: the password to connect to the database
- extra_columns: a SQL string with some extra columns that should be added to the imported table. If any of these columns already exists an error will be raised
Running the specs
CartoDB Importer has a suite of specs which define its specification. To run this suite a database named cartodb_importer_test must exist. You can create this database by running:
CREATE DATABASE cartodb_importer_test
WITH TEMPLATE = template_postgis
OWNER = postgres
Then, to run the specs just run this command:
bundle exec rspec spec/lib/import_spec.rb