Module: ActiveRecord::ConnectionHandling

Defined in:
lib/active_record/connection_adapters/duckdb_adapter.rb

Instance Method Summary collapse

Instance Method Details

#duckdb_connection(config) ⇒ ActiveRecord::ConnectionAdapters::DuckdbAdapter

Deprecated.

This method is provided for legacy compatibility only. In Rails 8+, adapters are registered via ActiveRecord::ConnectionAdapters.register and connections are created by calling AdapterClass.new(config) directly. Use ActiveRecord::Base.establish_connection instead for standard Rails usage.

Establishes a connection to a DuckDB database

Parameters:

  • config (Hash) —

    Database configuration options

Returns:

Raises:

  • (ActiveRecord::ConnectionNotEstablished) —

    If connection fails



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# File 'lib/active_record/connection_adapters/duckdb_adapter.rb', line 42

def duckdb_connection(config)
  config = config.symbolize_keys
  begin
    # Create adapter and establish connection via Rails lifecycle
    # connect! calls verify! which calls reconnect! and configure_connection
    adapter = ConnectionAdapters::DuckdbAdapter.new(nil, logger, {}, config)
    adapter.connect!
    adapter
  rescue StandardError => e
    raise ActiveRecord::ConnectionNotEstablished,
          "Could not connect to DuckDB database: #{e.message}"
  end
end