JP2011175422A - 判定プログラム、方法及び装置 - Google Patents
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Abstract
【解決手段】本判定方法は、アクセス履歴から参照のみを行っている参照系プログラムを特定して、アクセス履歴において、レプリケーションによる影響を受けるとして予め定められている所定のデータ項目への参照を行った参照系プログラムについての特定の履歴データが存在しており、且つ当該特定の履歴データのセッションと同一のセッションで上記所定のデータ項目への更新アクセスが発生したことを表す履歴データが当該特定の履歴データの後に記録されているという条件を満たすか判断し、当該条件が満たされていれば、当該参照系プログラムがレプリケーション先へのアクセスが不適であると判定する。
【選択図】図3
Description
320 アクセス履歴格納部 330 コントローラ分類部
340 コントローラ判定部
120 アクセス履歴収集部
Claims (5)
- セッションの識別子とプログラムの識別子とデータベース内におけるアクセス先のデータ項目を識別するためのデータ項目識別子と参照又は更新を表す処理種別とが関連付けられて履歴データとして格納されているアクセス履歴格納部から、判定対象のプログラム毎に前記履歴データを読み出し、前記処理種別に更新が含まれない場合には参照を表す種別データを当該判定対象のプログラムの識別子に対応付けてプログラムデータ格納部に格納するステップと、
前記プログラムデータ格納部において前記参照を表す種別データが対応付けて登録されている前記判定対象のプログラムの各々について、前記アクセス履歴格納部において、レプリケーションによる影響を受けるとして予め定められている所定のデータ項目を識別するための識別子と当該判定対象のプログラムの識別子とが関連付けられている特定の履歴データが存在しており、且つ当該特定の履歴データに含まれる前記データ項目識別子及び前記セッションの識別子と同一のデータ項目識別子及びセッションの識別子と前記更新を表す処理種別とが関連付けられている履歴データが前記特定の履歴データの後に存在するという条件を満たすか判断するステップと、
を、コンピュータに実行させるための判定プログラム。 - 前記条件を満たす判定対象のプログラムの識別子に対応付けて前記レプリケーション先へのアクセスが不適であることを表すデータを前記プログラムデータ格納部に格納するステップ
をさらに前記コンピュータに実行させるための請求項1記載の判定プログラム。 - 前記条件を満たさない判定対象のプログラムの識別子に対応付けて前記レプリケーション先へのアクセスが適切であることを表すデータを前記プログラムデータ格納部に格納するステップ
を前記コンピュータにさらに実行させるための請求項1又は2記載の判定プログラム。 - セッションの識別子とプログラムの識別子とデータベース内におけるアクセス先のデータ項目を識別するためのデータ項目識別子と参照又は更新を表す処理種別とが関連付けられて履歴データとして格納されているアクセス履歴格納部から、判定対象のプログラム毎に前記履歴データを読み出し、前記処理種別に更新が含まれない場合には参照を表す種別データを当該判定対象のプログラムの識別子に対応付けてプログラムデータ格納部に格納するステップと、
前記プログラムデータ格納部において前記参照を表す種別データが対応付けて登録されている前記判定対象のプログラムの各々について、前記アクセス履歴格納部において、レプリケーションによる影響を受けるとして予め定められている所定のデータ項目を識別するための識別子と当該判定対象のプログラムの識別子とが関連付けられている特定の履歴データが存在しており、且つ当該特定の履歴データに含まれる前記データ項目識別子及び前記セッションの識別子と同一のデータ項目識別子及びセッションの識別子と前記更新を表す処理種別とが関連付けられている履歴データが前記特定の履歴データの後に存在するという条件を満たすか判断するステップと、
を含み、コンピュータにより実行される判定方法。 - セッションの識別子とプログラムの識別子とデータベース内におけるアクセス先のデータ項目を識別するためのデータ項目識別子と参照又は更新を表す処理種別とが関連付けられて履歴データとして格納されているアクセス履歴格納部から、判定対象のプログラム毎に前記履歴データを読み出し、前記処理種別に更新が含まれない場合には参照を表す種別データを当該判定対象のプログラムの識別子に対応付けてプログラムデータ格納部に格納するプログラム分類部と、
前記プログラムデータ格納部において前記参照を表す種別データが対応付けて登録されている前記判定対象のプログラムの各々について、前記アクセス履歴格納部において、レプリケーションによる影響を受けるとして予め定められている所定のデータ項目を識別するための識別子と当該判定対象のプログラムの識別子とが関連付けられている特定の履歴データが存在しており、且つ当該特定の履歴データに含まれる前記データ項目識別子及び前記セッションの識別子と同一のデータ項目識別子及びセッションの識別子と前記更新を表す処理種別とが関連付けられている履歴データが前記特定の履歴データの後に存在するという条件を満たすか判断するプログラム判定部と、
を含む判定装置。
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