A Middleware Customization System and Method for Big Data Access and Management
A customized system and middleware technology, applied in database management system, electronic digital data processing, special data processing applications, etc., can solve the problems of easy confusion, massive data query and low storage efficiency, and improve query and access efficiency Effect
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[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0036] figure 1 , a schematic diagram of a custom method for big data access middleware, the middleware includes:
[0037] The JPQL statement conversion module 201 is responsible for correspondingly converting the JPQL statements submitted by developers. We found through testing that non-relational databases do not fully support the direct use of JPQL query language. By converting JPQL statements into A string form adapted to non-relational databases solves this problem.
[0038]The overall persistence module 202, which encapsulates multiple sub-persistence units, encapsulates the relational database and the non-relational database respectively, and shields the difference between the relational database and the non-relational database. The total persistence unit specifies the transaction type and server platform, and contains an attribute to identify ...
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