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require 'active_record/connection_adapters/sqlite_adapter'

module ActiveRecord
  class Base
    # sqlite3 adapter reuses sqlite_connection.
    def self.sqlite3_connection(config) # :nodoc:
      parse_sqlite_config!(config)

      unless self.class.const_defined?(:SQLite3)
        require_library_or_gem(config[:adapter])
      end

      db = SQLite3::Database.new(
        config[:database],
        :results_as_hash => true,
        :type_translation => false
      )

      db.busy_timeout(config[:timeout]) unless config[:timeout].nil?

      ConnectionAdapters::SQLite3Adapter.new(db, logger)
    end
  end

  module ConnectionAdapters #:nodoc:
    class SQLite3Adapter < SQLiteAdapter # :nodoc:
      def table_structure(table_name)
        returning structure = @connection.table_info(table_name) do
          raise(ActiveRecord::StatementInvalid, "Could not find table '#{table_name}'") if structure.empty?
        end
      end
    end
  end
end
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