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Big data retrieval method and device

A big data and database technology, applied in data processing applications, instruments, computing and other directions to achieve the effect of speeding up data query

Active Publication Date: 2021-07-09
CHINA SPORTS LOTTERY TECH GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

But for the data retrieval speed, since the text data storage system adopts the Key-Value storage method, the conditional query based on Value is a full table scan, which is no problem for a small amount of data, but once the amount of data reaches millions, Tens of millions of levels (we have tens of millions of levels a day here), it will be unacceptable, and it will be very, very slow

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Embodiment Construction

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the present invention will be further described in detail below in conjunction with the embodiments and the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0019] Please refer to figure 1 As shown, the present invention provides a large data retrieval method, which specifically includes: S101 acquires sports lottery text data to be stored, and the sports lottery text data includes a plurality of text data; S102 establishes a unique index number according to the text data, so The index number and the text data are set one-to-one; S103 establishes an index table according to the plurality of index numbers, and stores the text data in the database in sequence through the index table; S104 uses the feature of the informatio...

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Abstract

The present invention provides a large data retrieval method and device. The retrieval method includes: acquiring sports lottery text data to be stored, the sports lottery text data including a plurality of text data; establishing a unique index number according to the text data, so The index number and the text data are set one-to-one; an index table is established according to the plurality of index numbers, and the text data is stored in the database in sequence through the index table; determined by the characteristic information of the information to be retrieved The index number corresponding to the information to be retrieved; according to the index table and the index number corresponding to the information to be retrieved, determine the storage location of the information to be retrieved in the database; through the big data retrieval method and device provided by the present invention, According to specific demand scenarios, the required data can be queried among millions of records, and the query time is controlled at the millisecond level, which greatly speeds up the data query speed of sports lottery sales terminals.

Description

technical field [0001] The invention relates to the field of lottery data query, in particular to a big data retrieval method and device. Background technique [0002] With the continuous increase in the transaction volume of the sports lottery system, the file data recorded by the system has shown explosive growth. How to discover potential laws and knowledge from massive data has become an unavoidable problem, and the text data storage system can solve it well this problem. The text data storage system provides a simple data model for the client, the client can dynamically control the layout and format of the data, and utilize the locality characteristics of the underlying data storage. But for the data retrieval speed, since the text data storage system adopts the Key-Value storage method, the conditional query based on Value is a full table scan, which is no problem for a small amount of data, but once the amount of data reaches millions, Tens of millions of levels (we...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q50/34
CPCG06Q50/34
Inventor 章小文朱海刚罗春水王彤
Owner CHINA SPORTS LOTTERY TECH GROUP
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