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Data query method and device

A data query and query method technology, applied in the network field, can solve problems such as difficult to understand the intuitive meaning of Lucene, complicated writing format, and difficult to troubleshoot errors.

Active Publication Date: 2021-03-26
BEIJING GRIDSUM TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the data query function is realized through the full-text search engine (Lucene) retrieval toolkit encapsulated in the distributed search engine. Although Lucene supports a relatively flexible query language (Query Domain Specific Language, abbreviated as Query DSL), Lucene is in It is not easy to understand in an intuitive sense, and the written format is relatively complicated, and it is not easy to troubleshoot errors

Method used

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Embodiment Construction

[0021] An exemplary embodiment of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be restricted herein. Instead, it is provided to provide more thoroughly understood the present disclosure, and can communicate the scope of the disclosure to those skilled in the art.

[0022] In order to make the advantages of the technical solution of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples.

[0023] The embodiment of the present invention provides a data query method, such as figure 1 As shown, the method includes:

[0024] 101, receive data query statements.

[0025] Wherein, the data query statement contains the field name, field type, and query mode of the dat...

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Abstract

The invention discloses a data query method and device, relates to the technical field of networks, and aims at solving the problem that the existing data query manner is complicated in writing format, wrong in debugging and difficulty to modify. The main technical scheme is that the method comprises the following steps of receiving a data query statement, wherein the data query statement comprises field names, field types and query manners of the data query statement, and the data query statement is a query statement of an XLM language; verifying whether the data query statement is correct or not according to a preset XML query framework, the field names of the data query statement and basic query framework corresponding to the field names, wherein the preset XML query framework comprises the basic query frameworks corresponding to the field names, and the basic query frameworks comprise the field types and the query manners; and if the data query statement is correct, querying the field names according to the data query statement. The method and device are mainly used for data query.

Description

Technical field [0001] The present invention relates to the field of network technologies, and more particularly to a data query method and apparatus. Background technique [0002] The distributed search engine provides various query functions for large-scale data, convenient users to classify and statistics from different aspects, especially for users to store and quickly query real-time data on various media on the network. However, to build a real-time data query system, first need to establish a data collection system, then organize and classify the collected data, and then use the distributed search engine to index the data of these different formats, and finally according to these indexes. Query and display. [0003] At present, the data query function is implemented by the full-text search engine (Lucene) retrieval toolkit package package in a distributed search engine. Although Lucene supports relatively flexible query language (Query Domain SpecificLanguage, Simple is qu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F16/953
CPCG06F16/951
Inventor 史立华
Owner BEIJING GRIDSUM TECH CO LTD
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