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Industrial database message storage method

A database and file storage technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of access speed limitation, occupying large storage space, etc., to reduce storage space, shorten processing time, and speed up retrieval time. Effect

Active Publication Date: 2012-04-18
ASAT CHINA TECH
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The storage of massive messages requires a large amount of storage space, and the access speed is limited by the number of messages

Method used

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  • Industrial database message storage method
  • Industrial database message storage method

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Embodiment Construction

[0036] In order to make the purpose, technical solution and advantages of the present invention clearer, the following will further describe the implementation of the present invention in detail in conjunction with the accompanying drawings.

[0037] A preferred embodiment of the present invention relates to a method for storing industrial database messages. The industrial message in this embodiment generally includes at least three parts: BLOB message data, source point identifier, and time stamp, and may optionally include the access point attribute of the message, the quality code of the physical or logical link for message transmission, and the message Other attributes such as the type of physical or logical link for text transmission.

[0038] In this embodiment, the messages with the same source identifier are stored in a file storage area, that is, stored in a data file. In the industrial database, corresponding data files are reserved for different source identificati...

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Abstract

The invention discloses an industrial database message storage method, which comprises the following steps of: dividing a retained file storage region into an index region and a data region; during storage of a message, storing index information of the message into the index region from the head of the index region according to a positive sequence, and storing information of other parts of the message into the data region from the bottom of the data region according to an inverted sequence; and automatically changing division of the index region and the data region according to data volumes stored in the index region and the data region so that the retained space for the index region cannot be wasted. The message can be stored in the file storage region with a fixed size efficiently, so the utilization rate of the space is maximized and the storage space occupied by the message is reduced; furthermore, a starting time stamp and an ending time stamp when each file storage space stores the message are stored, so during search of the message, the corresponding file storage space can be positioned quickly and the message can be positioned quickly according to the index information; therefore, the search time of the message is increased and the processing time is shorter.

Description

technical field [0001] The invention relates to an industrial database message storage technology. Background technique [0002] Industrial database systems and general commercial database systems (relational databases or object-oriented databases) are roughly the same in essence. The biggest difference is that the amount of industrial data is very large, there are massive storage requirements, and the rapid access requirements for massive data , so that the industrial database has a very high demand for real-time data and data validity. [0003] As a kind of BLOB (binary format) data, industrial message is a typical data storage format in industrial database. The industrial message is the data information that describes the event or alarm information in a predefined format after the occurrence of an event or alarm at an industrial measurement point, and forms a code to notify the destination management node. The measurement points here are not necessarily actual sampling ...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 王伟叶军梁俊
Owner ASAT CHINA TECH
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