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Database system based on JIT compilation, query processing method thereof, and stored procedure optimization method thereof
Database system based on JIT compilation, query processing method thereof, and stored procedure optimization method thereof
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机译:基于jit编译的数据库系统,其查询处理方法及其存储过程优化方法
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摘要
A database system based on just-in-time (JIT) compilation performs a branch optimization and a loop optimization on the stored procedure. An interpreted query processor generating a structured query language (SQL) execution plan regarding an input online transaction processing (OLTP) query, an online analytical processing (OLAP) analysis, and a stored procedure. A JIT-based query processor receives the SQL execution plan, optimizes a branch and a loop in the received SQL execution plan, and then generates an optimized JIT execution plan. The JIT-based query processor generates a query processing executor performing query processing based on the JIT execution plan and provides a result of the query processing performed by the query processing executor.
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