ruby/lib/adbc/connection.rb

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# distributed with this work for additional information
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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
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# specific language governing permissions and limitations
# under the License.

require_relative "connection-operations"

module ADBC
  class Connection
    include ConnectionOperations

    def open_statement(&block)
      Statement.open(self, &block)
    end

    alias_method :get_info_raw, :get_info
    def get_info(codes)
      c_abi_array_stream = get_info_raw(codes)
      begin
        reader = Arrow::RecordBatchReader.import(c_abi_array_stream)
        begin
          yield(reader.read_all)
        ensure
          reader.unref
        end
      ensure
        GLib.free(c_abi_array_stream)
      end
    end

    alias_method :get_objects_raw, :get_objects
    def get_objects(depth: :all,
                    catalog: nil,
                    db_schema: nil,
                    table_name: nil,
                    table_types: nil,
                    column_name: nil)
      c_abi_array_stream = get_objects_raw(depth,
                                           catalog,
                                           db_schema,
                                           table_name,
                                           table_types,
                                           column_name)
      begin
        reader = Arrow::RecordBatchReader.import(c_abi_array_stream)
        begin
          reader.read_all
        ensure
          reader.unref
        end
      ensure
        GLib.free(c_abi_array_stream)
      end
    end
  end
end