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Data searching method and device

A data search and data technology, applied in the computer field, can solve the problem of low search efficiency

Active Publication Date: 2013-04-24
CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a data search method and device to solve the problem of relatively low search efficiency using the data search methods provided by the prior art

Method used

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Embodiment Construction

[0040] The embodiment of the present invention provides a data search solution. For each row of data in the data storage system, the row keywords corresponding to each row of data are determined in advance, and the data to be searched by the user is determined in the data according to the data search conditions provided by the user. The range of the row key of the row in the storage system, so that the search operation on a large amount of data is converted into the search operation on a small number of row keys, so it has high search efficiency.

[0041] The main realization principles, specific implementation modes and corresponding beneficial effects that can be achieved of the technical solutions of the embodiments of the present invention will be described in detail below in conjunction with each accompanying drawing.

[0042] Embodiments of the present invention firstly provide a data search method, the specific flowchart of the method is as follows figure 1 shown, inclu...

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Abstract

The embodiment of the invention provides a data searching method and a data searching device, which are used for solving the problem of low searching efficiency of the data searching means in the prior art. The method provided by the embodiment of the invention comprises the steps that: the data searching device acquires data searching conditions provided by a user; the range of a row keyword corresponding to a row, in which the data searched by the user exists, in a data storage system is determined according to the data searching conditions and the determination mode for the range of the predetermined row keyword; the data searching device determines a row keyword in the determined range from the row keyword which is predetermined according to the preset row keyword determination mode and corresponds to the data of each row in the data storage system respectively according to the determined range; and the data searching device searches for the data in the row corresponding to the determined row keyword according to the row keyword determined.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a data search method and device. Background technique [0002] BigTable is a table used to store structured / semi-structured data. When searching the data stored in the table, the selection of the row key (Rowkey) is very critical, which will directly affect the search efficiency. high and low. [0003] In order to realize the search of BigTable, when creating BigTable, the data in a certain column of BigTable is usually selected as the Rowkey of the row where each data in the column is located. Generally, the value of each data in the selected column cannot have Repeat to ensure the uniqueness of Rowkey. The data search method in the prior art is: the data search device determines the data contained in the condition according to the data search condition input by the user, which is consistent with the data in the column selected above, and uses the data as the Rowkey to searc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 齐骥钱岭郭磊涛罗治国孙少陵
Owner CHINA MOBILE SUZHOU SOFTWARE TECH CO LTD