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Method and system for using dynamically generated code to perform record management layer functions in a relational database manager
Method and system for using dynamically generated code to perform record management layer functions in a relational database manager
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机译:在关系数据库管理器中使用动态生成的代码执行记录管理层功能的方法和系统
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摘要
A system and method that enhances the row retrieval performance of a multi-layer relational database manager by including in the code generation component layer of the database manager a row retrieval performance enhancing subroutine designed to execute functions performed by a lower component layer substantially faster than if the functions were executed by such lower component layer. The subroutine includes logic for establishing the conditions under which the particular subroutine is invoked during the execution of a SQL request. The output code generated to execute a specific SQL query, including calls to the row retrieval subroutine in place of normally included calls to the lower component layer. This enables the generated code to perform lower component layer functions with specialized code designed to increase performance based on the characteristics of the data being retrieved.
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