JP5864583B2 - 複合イベント処理におけるパラメータ化されたクエリ/ビューへのサポート - Google Patents
複合イベント処理におけるパラメータ化されたクエリ/ビューへのサポート Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2452—Query translation
- G06F16/24524—Access plan code generation and invalidation; Reuse of access plans
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2452—Query translation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/24—Querying
- G06F16/245—Query processing
- G06F16/2453—Query optimisation
- G06F16/24534—Query rewriting; Transformation
Description
本PCT出願は、2011年7月28日に出願された米国特許出願番号第13/193,377号の優先権を主張し、この米国特許出願番号第13/193,377号は、「複合イベント処理におけるパラメータ化されたクエリ/ビューへのサポート("SUPPORT FOR PARAMETERIZED QUERY/VIEW IN COMPLEX EVENT PROCESSING")」と題された、2010年9月17日に出願された同時係属米国仮特許出願番号第61/384,182号からの優先権を主張する。同時係属米国仮特許出願番号第61/384,182号は、すべての目的のために、あたかも全文において述べられたかのように、引用により本明細書に援用される。
本発明に係る実施形態は、データ処理システムに関し、より特定的には、時間の意味論(temporal semantics)を有するストリーミングデータに関するシステムおよびアプリケーションに関する。
本発明に係る実施形態は、あらゆる種類の型(type)検査などもせずに、CEPストリング置換を利用して、バインド変数について設定されるパラメータセットにバインド変数を置き換えることを含む。これは、バインド変数でも型検査などを通過する必要があるという点で標準データベースとは異なる。結果として、CEPコンテキスト内でのバインド変数は、より柔軟で、より強力な解決手段を提供し、当該バインド変数によりユーザは任意の述語を挿入することができる。したがって、CEP環境内でのバインド変数は型がなくてもよい。
以下の記載では、説明を目的として、本発明のさまざまな実施形態の理解のために多くの詳細が説明される。しかしながら、ある実施形態が、これらの詳細の一部なしに実行され得るということは当業者にとっては明らかであろう。
Claims (10)
- 複合イベント処理(CEP)内でパラメータ化されたクエリを設定するためのシステムであって、
メモリと、
前記メモリに結合されたプロセッサと、を備え、
前記メモリは、命令セットを内部に格納させており、前記命令セットは、前記プロセッサによって実行されると、前記プロセッサに、
1つ以上のバインド変数を含むクエリテンプレートを設定させ、
前記1つ以上のバインド変数に対応するパラメータセットを設定させ、
前記1つ以上のバインド変数の位置を判断するために前記クエリテンプレートを解析させ、
設定された前記パラメータセットをスキャンして、どの前記パラメータセットが前記1つ以上のバインド変数にバインドされるのかを判断させ、
前記パラメータセットにバインドされると判断された前記1つ以上のバインド変数をバインドさせ、
前記クエリテンプレートに、タイプを有しない前記1つ以上のバインド変数に基づきユーザの述語を挿入させ、
バインドされた前記1つ以上のバインド変数を対応する前記パラメータセットに置換させ、
イベントストリームを処理するためのパラメータ化されたクエリ内で生じるプレースホルダを判断させ、
ランタイム時に、判断された前記プレースホルダを、前記パラメータセットに対応するパラメータ値に置換させ、
前記バインド変数の置換と前記プレースホルダの置換に基づき、1以上の変数が異なる複数のクエリを生成させる、システム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、前記1つ以上のバインド変数の前記判断された位置のマップを構築させ、
前記1つ以上のバインド変数を対応する前記パラメータセットに置換させることは、前記1つ以上のバインド変数の前記判断された位置のマップを用いて、バインドされた前記パラメータセットを前記クエリテンプレート内に置くことをさらに含み、
前記1つ以上のバインド変数に対応する前記パラメータセットを設定することは、静的または動的に実行される、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記1つ以上のバインド変数に対応する前記パラメータセットを設定することは、前記クエリテンプレートの展開時にコンフィグファイルを用いることで静的に実行される、請求項2に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。
- 前記1つ以上のバインド変数に対応する前記パラメータセットを設定することは、モジュールマネージメントソリューションを用いることで動的に実行され、
コンフィグファイルは、アプリケーションアソシエーション、プロセッサアソシエーション、クエリルール、前記クエリテンプレート、前記パラメータセット、または前記バインディングのうち、1つ以上のものを含む、請求項2に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、
前記1つ以上のバインド変数が置換された前記パラメータセットを含む前記クエリテンプレートに基づいて、新しいクエリのインスタンスを生成させ、
ランタイムシステムのために新しい前記パラメータセットを用いて前記新しいクエリのインスタンスを生成させ、
前記新しいクエリをCEPサーバに注入させ、
前記新しいクエリに基づいて、クエリ実行計画を構築させ、
継続クエリとしてランタイム環境に前記クエリ実行計画を追加させ、
前記継続クエリを実行させる、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、
多数のパラメータセットが同じバインド変数に対応しているということを判断させ、
同じ前記バインド変数に対応している前記多数のパラメータセットの各々について、独立した新しいクエリのインスタンスを生成させる、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、
前記パラメータセットをストリングに変換させ、
前記パラメータセットの前記ストリングを確認して前記パラメータセットのフォームを判断させ、
前記パラメータセットの判断されたタイプと対応するバインド変数のタイプとを比較させ、
対応する前記バインド変数および前記パラメータセットの前記タイプは、INT、FLOAT、LONG、BIGDECIMAL、DOUBLE、およびSTRINGのうち、1つ以上のものを含み、
前記プロセッサに、さらに、
前記対応するバインド変数の前記タイプにマッチする前記パラメータセットの判断された前記タイプに応じて、前記パラメータセットを検証させる、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、
新しいパラメータセットがバインディングのために指定されていることを判断させ、
新しいパラメータセットで指定される前に、パラメータセットを用いてインスタンスが生成されたクエリを特定させ、
新しいパラメータセットで指定される前に、パラメータセットを用いてインスタンスが生成された前記クエリを削除させる、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - 前記命令セットは、前記プロセッサによってさらに実行されると、前記プロセッサに、
前記クエリを生成させ、
前記イベントストリームを処理させ、
前記システムは、CQLエンジンを含むCEPサーバをさらに備え、
前記CQLエンジンは、複数のCEPアプリケーションのインスタンスを生成し、
前記CEPサーバと通信するビジュアライザをさらに備え、
前記ビジュアライザは、処理された前記イベントストリームからの結果情報を表示するように構成されている、請求項1に記載のCEP内でパラメータ化されたクエリを設定するためのシステム。 - コンピュータに、複合イベント処理(CEP)内でパラメータ化されたクエリを設定する方法を実行させるためのプログラムであって、
前記方法は、
1つ以上のバインド変数を含むクエリテンプレートを設定し、
前記1つ以上のバインド変数に対応するパラメータセットを設定し、
前記1つ以上のバインド変数の位置を判断するために前記クエリテンプレートを解析し、
設定された前記パラメータセットをスキャンして、どの前記パラメータセットが前記1つ以上のバインド変数にバインドされるのかを判断し、
前記パラメータセットにバインドされると判断された前記1つ以上のバインド変数をバインドし、
前記クエリテンプレートに、タイプを有しない前記1つ以上のバインド変数に基づきユーザの述語を挿入し、
バインドされた前記1つ以上のバインド変数を対応する前記パラメータセットに置換し、
イベントストリームを処理するためのパラメータ化されたクエリ内で生じるプレースホルダを判断し、
ランタイム時に、判断された前記プレースホルダを、前記パラメータセットに対応するパラメータ値に置換し、
前記バインド変数の置換と前記プレースホルダの置換に基づき、1以上の変数が異なる複数のクエリを生成させる、プログラム。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38418210P | 2010-09-17 | 2010-09-17 | |
US61/384,182 | 2010-09-17 | ||
US13/193,377 | 2011-07-28 | ||
US13/193,377 US8713049B2 (en) | 2010-09-17 | 2011-07-28 | Support for a parameterized query/view in complex event processing |
PCT/US2011/052019 WO2012037511A1 (en) | 2010-09-17 | 2011-09-16 | Support for a parameterized query/view in complex event processing |
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JP2013540308A JP2013540308A (ja) | 2013-10-31 |
JP5864583B2 true JP5864583B2 (ja) | 2016-02-17 |
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EP (1) | EP2616965B1 (ja) |
JP (1) | JP5864583B2 (ja) |
CN (1) | CN106599164B (ja) |
WO (1) | WO2012037511A1 (ja) |
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